Merging upstream version 6.9.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

10 files changed, 339 insertions, 256 deletions

diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 42b51c9812..928ec93c6b 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -116,15 +116,14 @@ config SATA_AHCI
 	  If unsure, say N.
 
 config SATA_MOBILE_LPM_POLICY
-	int "Default SATA Link Power Management policy for low power chipsets"
+	int "Default SATA Link Power Management policy"
 	range 0 4
 	default 0
 	depends on SATA_AHCI
 	help
 	  Select the Default SATA Link Power Management (LPM) policy to use
 	  for chipsets / "South Bridges" supporting low-power modes. Such
-	  chipsets are typically found on most laptops but desktops and
-	  servers now also widely use chipsets supporting low power modes.
+	  chipsets are ubiquitous across laptops, desktops and servers.
 
 	  The value set has the following meanings:
 		0 => Keep firmware settings
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index df3fd6474b..5eb38fbbbe 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -50,11 +50,18 @@ enum board_ids {
 	board_ahci,
 	board_ahci_43bit_dma,
 	board_ahci_ign_iferr,
-	board_ahci_low_power,
 	board_ahci_no_debounce_delay,
-	board_ahci_nomsi,
-	board_ahci_noncq,
-	board_ahci_nosntf,
+	board_ahci_no_msi,
+	/*
+	 * board_ahci_pcs_quirk is for legacy Intel platforms.
+	 * Modern Intel platforms should use board_ahci instead.
+	 * (Some modern Intel platforms might have been added with
+	 * board_ahci_pcs_quirk, however, we cannot change them to board_ahci
+	 * without testing that the platform actually works without the quirk.)
+	 */
+	board_ahci_pcs_quirk,
+	board_ahci_pcs_quirk_no_devslp,
+	board_ahci_pcs_quirk_no_sntf,
 	board_ahci_yes_fbs,
 
 	/* board IDs for specific chipsets in alphabetical order */
@@ -68,12 +75,6 @@ enum board_ids {
 	board_ahci_sb700,	/* for SB700 and SB800 */
 	board_ahci_vt8251,
 
-	/*
-	 * board IDs for Intel chipsets that support more than 6 ports
-	 * *and* end up needing the PCS quirk.
-	 */
-	board_ahci_pcs7,
-
 	/* aliases */
 	board_ahci_mcp_linux	= board_ahci_mcp65,
 	board_ahci_mcp67	= board_ahci_mcp65,
@@ -143,36 +144,38 @@ static const struct ata_port_info ahci_port_info[] = {
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
-	[board_ahci_low_power] = {
-		AHCI_HFLAGS	(AHCI_HFLAG_USE_LPM_POLICY),
+	[board_ahci_no_debounce_delay] = {
 		.flags		= AHCI_FLAG_COMMON,
+		.link_flags	= ATA_LFLAG_NO_DEBOUNCE_DELAY,
 		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
-	[board_ahci_no_debounce_delay] = {
+	[board_ahci_no_msi] = {
+		AHCI_HFLAGS	(AHCI_HFLAG_NO_MSI),
 		.flags		= AHCI_FLAG_COMMON,
-		.link_flags	= ATA_LFLAG_NO_DEBOUNCE_DELAY,
 		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
-	[board_ahci_nomsi] = {
-		AHCI_HFLAGS	(AHCI_HFLAG_NO_MSI),
+	[board_ahci_pcs_quirk] = {
+		AHCI_HFLAGS	(AHCI_HFLAG_INTEL_PCS_QUIRK),
 		.flags		= AHCI_FLAG_COMMON,
 		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
-	[board_ahci_noncq] = {
-		AHCI_HFLAGS	(AHCI_HFLAG_NO_NCQ),
+	[board_ahci_pcs_quirk_no_devslp] = {
+		AHCI_HFLAGS	(AHCI_HFLAG_INTEL_PCS_QUIRK |
+				 AHCI_HFLAG_NO_DEVSLP),
 		.flags		= AHCI_FLAG_COMMON,
 		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
-	[board_ahci_nosntf] = {
-		AHCI_HFLAGS	(AHCI_HFLAG_NO_SNTF),
+	[board_ahci_pcs_quirk_no_sntf] = {
+		AHCI_HFLAGS	(AHCI_HFLAG_INTEL_PCS_QUIRK |
+				 AHCI_HFLAG_NO_SNTF),
 		.flags		= AHCI_FLAG_COMMON,
 		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
@@ -194,6 +197,7 @@ static const struct ata_port_info ahci_port_info[] = {
 		.port_ops	= &ahci_ops,
 	},
 	[board_ahci_avn] = {
+		AHCI_HFLAGS	(AHCI_HFLAG_INTEL_PCS_QUIRK),
 		.flags		= AHCI_FLAG_COMMON,
 		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
@@ -252,119 +256,113 @@ static const struct ata_port_info ahci_port_info[] = {
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_vt8251_ops,
 	},
-	[board_ahci_pcs7] = {
-		.flags		= AHCI_FLAG_COMMON,
-		.pio_mask	= ATA_PIO4,
-		.udma_mask	= ATA_UDMA6,
-		.port_ops	= &ahci_ops,
-	},
 };
 
 static const struct pci_device_id ahci_pci_tbl[] = {
 	/* Intel */
-	{ PCI_VDEVICE(INTEL, 0x06d6), board_ahci }, /* Comet Lake PCH-H RAID */
-	{ PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
-	{ PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
-	{ PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
-	{ PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
-	{ PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
+	{ PCI_VDEVICE(INTEL, 0x06d6), board_ahci_pcs_quirk }, /* Comet Lake PCH-H RAID */
+	{ PCI_VDEVICE(INTEL, 0x2652), board_ahci_pcs_quirk }, /* ICH6 */
+	{ PCI_VDEVICE(INTEL, 0x2653), board_ahci_pcs_quirk }, /* ICH6M */
+	{ PCI_VDEVICE(INTEL, 0x27c1), board_ahci_pcs_quirk }, /* ICH7 */
+	{ PCI_VDEVICE(INTEL, 0x27c5), board_ahci_pcs_quirk }, /* ICH7M */
+	{ PCI_VDEVICE(INTEL, 0x27c3), board_ahci_pcs_quirk }, /* ICH7R */
 	{ PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
-	{ PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
-	{ PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
-	{ PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
-	{ PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
-	{ PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
-	{ PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8/Lewisburg RAID*/
-	{ PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
-	{ PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
-	{ PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
-	{ PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
-	{ PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
-	{ PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
-	{ PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
-	{ PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
-	{ PCI_VDEVICE(INTEL, 0x2929), board_ahci_low_power }, /* ICH9M */
-	{ PCI_VDEVICE(INTEL, 0x292a), board_ahci_low_power }, /* ICH9M */
-	{ PCI_VDEVICE(INTEL, 0x292b), board_ahci_low_power }, /* ICH9M */
-	{ PCI_VDEVICE(INTEL, 0x292c), board_ahci_low_power }, /* ICH9M */
-	{ PCI_VDEVICE(INTEL, 0x292f), board_ahci_low_power }, /* ICH9M */
-	{ PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
-	{ PCI_VDEVICE(INTEL, 0x294e), board_ahci_low_power }, /* ICH9M */
-	{ PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
-	{ PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
-	{ PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
-	{ PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
-	{ PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
-	{ PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
-	{ PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
-	{ PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
-	{ PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
-	{ PCI_VDEVICE(INTEL, 0x3b29), board_ahci_low_power }, /* PCH M AHCI */
-	{ PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
-	{ PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_low_power }, /* PCH M RAID */
-	{ PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b0), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b1), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b2), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b3), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b4), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b5), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b6), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b7), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19bE), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19bF), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c0), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c1), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c2), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c3), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c4), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c5), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c6), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c7), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19cE), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19cF), board_ahci_pcs7 }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
-	{ PCI_VDEVICE(INTEL, 0x1c03), board_ahci_low_power }, /* CPT M AHCI */
-	{ PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
-	{ PCI_VDEVICE(INTEL, 0x1c05), board_ahci_low_power }, /* CPT M RAID */
-	{ PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
-	{ PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
-	{ PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
-	{ PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
-	{ PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
-	{ PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
-	{ PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
-	{ PCI_VDEVICE(INTEL, 0x1e03), board_ahci_low_power }, /* Panther M AHCI */
-	{ PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
-	{ PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
-	{ PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
-	{ PCI_VDEVICE(INTEL, 0x1e07), board_ahci_low_power }, /* Panther M RAID */
-	{ PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
-	{ PCI_VDEVICE(INTEL, 0x8c03), board_ahci_low_power }, /* Lynx M AHCI */
-	{ PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c05), board_ahci_low_power }, /* Lynx M RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c07), board_ahci_low_power }, /* Lynx M RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c0f), board_ahci_low_power }, /* Lynx M RAID */
-	{ PCI_VDEVICE(INTEL, 0x9c02), board_ahci_low_power }, /* Lynx LP AHCI */
-	{ PCI_VDEVICE(INTEL, 0x9c03), board_ahci_low_power }, /* Lynx LP AHCI */
-	{ PCI_VDEVICE(INTEL, 0x9c04), board_ahci_low_power }, /* Lynx LP RAID */
-	{ PCI_VDEVICE(INTEL, 0x9c05), board_ahci_low_power }, /* Lynx LP RAID */
-	{ PCI_VDEVICE(INTEL, 0x9c06), board_ahci_low_power }, /* Lynx LP RAID */
-	{ PCI_VDEVICE(INTEL, 0x9c07), board_ahci_low_power }, /* Lynx LP RAID */
-	{ PCI_VDEVICE(INTEL, 0x9c0e), board_ahci_low_power }, /* Lynx LP RAID */
-	{ PCI_VDEVICE(INTEL, 0x9c0f), board_ahci_low_power }, /* Lynx LP RAID */
-	{ PCI_VDEVICE(INTEL, 0x9dd3), board_ahci_low_power }, /* Cannon Lake PCH-LP AHCI */
-	{ PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
-	{ PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
-	{ PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
-	{ PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
-	{ PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
-	{ PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
-	{ PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
-	{ PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
+	{ PCI_VDEVICE(INTEL, 0x2681), board_ahci_pcs_quirk }, /* ESB2 */
+	{ PCI_VDEVICE(INTEL, 0x2682), board_ahci_pcs_quirk }, /* ESB2 */
+	{ PCI_VDEVICE(INTEL, 0x2683), board_ahci_pcs_quirk }, /* ESB2 */
+	{ PCI_VDEVICE(INTEL, 0x27c6), board_ahci_pcs_quirk }, /* ICH7-M DH */
+	{ PCI_VDEVICE(INTEL, 0x2821), board_ahci_pcs_quirk }, /* ICH8 */
+	{ PCI_VDEVICE(INTEL, 0x2822), board_ahci_pcs_quirk_no_sntf }, /* ICH8/Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0x2824), board_ahci_pcs_quirk }, /* ICH8 */
+	{ PCI_VDEVICE(INTEL, 0x2829), board_ahci_pcs_quirk }, /* ICH8M */
+	{ PCI_VDEVICE(INTEL, 0x282a), board_ahci_pcs_quirk }, /* ICH8M */
+	{ PCI_VDEVICE(INTEL, 0x2922), board_ahci_pcs_quirk }, /* ICH9 */
+	{ PCI_VDEVICE(INTEL, 0x2923), board_ahci_pcs_quirk }, /* ICH9 */
+	{ PCI_VDEVICE(INTEL, 0x2924), board_ahci_pcs_quirk }, /* ICH9 */
+	{ PCI_VDEVICE(INTEL, 0x2925), board_ahci_pcs_quirk }, /* ICH9 */
+	{ PCI_VDEVICE(INTEL, 0x2927), board_ahci_pcs_quirk }, /* ICH9 */
+	{ PCI_VDEVICE(INTEL, 0x2929), board_ahci_pcs_quirk }, /* ICH9M */
+	{ PCI_VDEVICE(INTEL, 0x292a), board_ahci_pcs_quirk }, /* ICH9M */
+	{ PCI_VDEVICE(INTEL, 0x292b), board_ahci_pcs_quirk }, /* ICH9M */
+	{ PCI_VDEVICE(INTEL, 0x292c), board_ahci_pcs_quirk }, /* ICH9M */
+	{ PCI_VDEVICE(INTEL, 0x292f), board_ahci_pcs_quirk }, /* ICH9M */
+	{ PCI_VDEVICE(INTEL, 0x294d), board_ahci_pcs_quirk }, /* ICH9 */
+	{ PCI_VDEVICE(INTEL, 0x294e), board_ahci_pcs_quirk }, /* ICH9M */
+	{ PCI_VDEVICE(INTEL, 0x502a), board_ahci_pcs_quirk }, /* Tolapai */
+	{ PCI_VDEVICE(INTEL, 0x502b), board_ahci_pcs_quirk }, /* Tolapai */
+	{ PCI_VDEVICE(INTEL, 0x3a05), board_ahci_pcs_quirk }, /* ICH10 */
+	{ PCI_VDEVICE(INTEL, 0x3a22), board_ahci_pcs_quirk }, /* ICH10 */
+	{ PCI_VDEVICE(INTEL, 0x3a25), board_ahci_pcs_quirk }, /* ICH10 */
+	{ PCI_VDEVICE(INTEL, 0x3b22), board_ahci_pcs_quirk }, /* PCH AHCI */
+	{ PCI_VDEVICE(INTEL, 0x3b23), board_ahci_pcs_quirk }, /* PCH AHCI */
+	{ PCI_VDEVICE(INTEL, 0x3b24), board_ahci_pcs_quirk }, /* PCH RAID */
+	{ PCI_VDEVICE(INTEL, 0x3b25), board_ahci_pcs_quirk }, /* PCH RAID */
+	{ PCI_VDEVICE(INTEL, 0x3b29), board_ahci_pcs_quirk }, /* PCH M AHCI */
+	{ PCI_VDEVICE(INTEL, 0x3b2b), board_ahci_pcs_quirk }, /* PCH RAID */
+	{ PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_pcs_quirk }, /* PCH M RAID */
+	{ PCI_VDEVICE(INTEL, 0x3b2f), board_ahci_pcs_quirk }, /* PCH AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b0), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b1), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b2), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b3), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b4), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b5), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b6), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b7), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19bE), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19bF), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c0), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c1), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c2), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c3), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c4), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c5), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c6), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c7), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19cE), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19cF), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x1c02), board_ahci_pcs_quirk }, /* CPT AHCI */
+	{ PCI_VDEVICE(INTEL, 0x1c03), board_ahci_pcs_quirk }, /* CPT M AHCI */
+	{ PCI_VDEVICE(INTEL, 0x1c04), board_ahci_pcs_quirk }, /* CPT RAID */
+	{ PCI_VDEVICE(INTEL, 0x1c05), board_ahci_pcs_quirk }, /* CPT M RAID */
+	{ PCI_VDEVICE(INTEL, 0x1c06), board_ahci_pcs_quirk }, /* CPT RAID */
+	{ PCI_VDEVICE(INTEL, 0x1c07), board_ahci_pcs_quirk }, /* CPT RAID */
+	{ PCI_VDEVICE(INTEL, 0x1d02), board_ahci_pcs_quirk }, /* PBG AHCI */
+	{ PCI_VDEVICE(INTEL, 0x1d04), board_ahci_pcs_quirk }, /* PBG RAID */
+	{ PCI_VDEVICE(INTEL, 0x1d06), board_ahci_pcs_quirk }, /* PBG RAID */
+	{ PCI_VDEVICE(INTEL, 0x2323), board_ahci_pcs_quirk }, /* DH89xxCC AHCI */
+	{ PCI_VDEVICE(INTEL, 0x1e02), board_ahci_pcs_quirk }, /* Panther Point AHCI */
+	{ PCI_VDEVICE(INTEL, 0x1e03), board_ahci_pcs_quirk }, /* Panther M AHCI */
+	{ PCI_VDEVICE(INTEL, 0x1e04), board_ahci_pcs_quirk }, /* Panther Point RAID */
+	{ PCI_VDEVICE(INTEL, 0x1e05), board_ahci_pcs_quirk }, /* Panther Point RAID */
+	{ PCI_VDEVICE(INTEL, 0x1e06), board_ahci_pcs_quirk }, /* Panther Point RAID */
+	{ PCI_VDEVICE(INTEL, 0x1e07), board_ahci_pcs_quirk }, /* Panther M RAID */
+	{ PCI_VDEVICE(INTEL, 0x1e0e), board_ahci_pcs_quirk }, /* Panther Point RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c02), board_ahci_pcs_quirk }, /* Lynx Point AHCI */
+	{ PCI_VDEVICE(INTEL, 0x8c03), board_ahci_pcs_quirk }, /* Lynx M AHCI */
+	{ PCI_VDEVICE(INTEL, 0x8c04), board_ahci_pcs_quirk }, /* Lynx Point RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c05), board_ahci_pcs_quirk }, /* Lynx M RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c06), board_ahci_pcs_quirk }, /* Lynx Point RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c07), board_ahci_pcs_quirk }, /* Lynx M RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c0e), board_ahci_pcs_quirk }, /* Lynx Point RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c0f), board_ahci_pcs_quirk }, /* Lynx M RAID */
+	{ PCI_VDEVICE(INTEL, 0x9c02), board_ahci_pcs_quirk }, /* Lynx LP AHCI */
+	{ PCI_VDEVICE(INTEL, 0x9c03), board_ahci_pcs_quirk }, /* Lynx LP AHCI */
+	{ PCI_VDEVICE(INTEL, 0x9c04), board_ahci_pcs_quirk }, /* Lynx LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x9c05), board_ahci_pcs_quirk }, /* Lynx LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x9c06), board_ahci_pcs_quirk }, /* Lynx LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x9c07), board_ahci_pcs_quirk }, /* Lynx LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x9c0e), board_ahci_pcs_quirk }, /* Lynx LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x9c0f), board_ahci_pcs_quirk }, /* Lynx LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x9dd3), board_ahci_pcs_quirk }, /* Cannon Lake PCH-LP AHCI */
+	{ PCI_VDEVICE(INTEL, 0x1f22), board_ahci_pcs_quirk }, /* Avoton AHCI */
+	{ PCI_VDEVICE(INTEL, 0x1f23), board_ahci_pcs_quirk }, /* Avoton AHCI */
+	{ PCI_VDEVICE(INTEL, 0x1f24), board_ahci_pcs_quirk }, /* Avoton RAID */
+	{ PCI_VDEVICE(INTEL, 0x1f25), board_ahci_pcs_quirk }, /* Avoton RAID */
+	{ PCI_VDEVICE(INTEL, 0x1f26), board_ahci_pcs_quirk }, /* Avoton RAID */
+	{ PCI_VDEVICE(INTEL, 0x1f27), board_ahci_pcs_quirk }, /* Avoton RAID */
+	{ PCI_VDEVICE(INTEL, 0x1f2e), board_ahci_pcs_quirk }, /* Avoton RAID */
+	{ PCI_VDEVICE(INTEL, 0x1f2f), board_ahci_pcs_quirk }, /* Avoton RAID */
 	{ PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */
 	{ PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */
 	{ PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */
@@ -373,65 +371,64 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */
 	{ PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */
 	{ PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */
-	{ PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg/Lewisburg AHCI*/
-	{ PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* *burg SATA0 'RAID' */
-	{ PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* *burg SATA1 'RAID' */
-	{ PCI_VDEVICE(INTEL, 0x282f), board_ahci }, /* *burg SATA2 'RAID' */
-	{ PCI_VDEVICE(INTEL, 0x43d4), board_ahci }, /* Rocket Lake PCH-H RAID */
-	{ PCI_VDEVICE(INTEL, 0x43d5), board_ahci }, /* Rocket Lake PCH-H RAID */
-	{ PCI_VDEVICE(INTEL, 0x43d6), board_ahci }, /* Rocket Lake PCH-H RAID */
-	{ PCI_VDEVICE(INTEL, 0x43d7), board_ahci }, /* Rocket Lake PCH-H RAID */
-	{ PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
-	{ PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
-	{ PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
-	{ PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
-	{ PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
-	{ PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
-	{ PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
-	{ PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
-	{ PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
-	{ PCI_VDEVICE(INTEL, 0x9c83), board_ahci_low_power }, /* Wildcat LP AHCI */
-	{ PCI_VDEVICE(INTEL, 0x9c85), board_ahci_low_power }, /* Wildcat LP RAID */
-	{ PCI_VDEVICE(INTEL, 0x9c87), board_ahci_low_power }, /* Wildcat LP RAID */
-	{ PCI_VDEVICE(INTEL, 0x9c8f), board_ahci_low_power }, /* Wildcat LP RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
-	{ PCI_VDEVICE(INTEL, 0x8c83), board_ahci_low_power }, /* 9 Series M AHCI */
-	{ PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c85), board_ahci_low_power }, /* 9 Series M RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c87), board_ahci_low_power }, /* 9 Series M RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
-	{ PCI_VDEVICE(INTEL, 0x8c8f), board_ahci_low_power }, /* 9 Series M RAID */
-	{ PCI_VDEVICE(INTEL, 0x9d03), board_ahci_low_power }, /* Sunrise LP AHCI */
-	{ PCI_VDEVICE(INTEL, 0x9d05), board_ahci_low_power }, /* Sunrise LP RAID */
-	{ PCI_VDEVICE(INTEL, 0x9d07), board_ahci_low_power }, /* Sunrise LP RAID */
-	{ PCI_VDEVICE(INTEL, 0xa102), board_ahci }, /* Sunrise Point-H AHCI */
-	{ PCI_VDEVICE(INTEL, 0xa103), board_ahci_low_power }, /* Sunrise M AHCI */
-	{ PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
-	{ PCI_VDEVICE(INTEL, 0xa106), board_ahci }, /* Sunrise Point-H RAID */
-	{ PCI_VDEVICE(INTEL, 0xa107), board_ahci_low_power }, /* Sunrise M RAID */
-	{ PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
-	{ PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
-	{ PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
-	{ PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
-	{ PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
-	{ PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
-	{ PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
-	{ PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
-	{ PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
-	{ PCI_VDEVICE(INTEL, 0xa356), board_ahci }, /* Cannon Lake PCH-H RAID */
-	{ PCI_VDEVICE(INTEL, 0x06d7), board_ahci }, /* Comet Lake-H RAID */
-	{ PCI_VDEVICE(INTEL, 0xa386), board_ahci }, /* Comet Lake PCH-V RAID */
-	{ PCI_VDEVICE(INTEL, 0x0f22), board_ahci_low_power }, /* Bay Trail AHCI */
-	{ PCI_VDEVICE(INTEL, 0x0f23), board_ahci_low_power }, /* Bay Trail AHCI */
-	{ PCI_VDEVICE(INTEL, 0x22a3), board_ahci_low_power }, /* Cherry Tr. AHCI */
-	{ PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_low_power }, /* ApolloLake AHCI */
-	{ PCI_VDEVICE(INTEL, 0x34d3), board_ahci_low_power }, /* Ice Lake LP AHCI */
-	{ PCI_VDEVICE(INTEL, 0x02d3), board_ahci_low_power }, /* Comet Lake PCH-U AHCI */
-	{ PCI_VDEVICE(INTEL, 0x02d7), board_ahci_low_power }, /* Comet Lake PCH RAID */
+	{ PCI_VDEVICE(INTEL, 0x2823), board_ahci_pcs_quirk }, /* Wellsburg/Lewisburg AHCI*/
+	{ PCI_VDEVICE(INTEL, 0x2826), board_ahci_pcs_quirk }, /* *burg SATA0 'RAID' */
+	{ PCI_VDEVICE(INTEL, 0x2827), board_ahci_pcs_quirk }, /* *burg SATA1 'RAID' */
+	{ PCI_VDEVICE(INTEL, 0x282f), board_ahci_pcs_quirk }, /* *burg SATA2 'RAID' */
+	{ PCI_VDEVICE(INTEL, 0x43d4), board_ahci_pcs_quirk }, /* Rocket Lake PCH-H RAID */
+	{ PCI_VDEVICE(INTEL, 0x43d5), board_ahci_pcs_quirk }, /* Rocket Lake PCH-H RAID */
+	{ PCI_VDEVICE(INTEL, 0x43d6), board_ahci_pcs_quirk }, /* Rocket Lake PCH-H RAID */
+	{ PCI_VDEVICE(INTEL, 0x43d7), board_ahci_pcs_quirk }, /* Rocket Lake PCH-H RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d02), board_ahci_pcs_quirk }, /* Wellsburg AHCI */
+	{ PCI_VDEVICE(INTEL, 0x8d04), board_ahci_pcs_quirk }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d06), board_ahci_pcs_quirk }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d0e), board_ahci_pcs_quirk }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d62), board_ahci_pcs_quirk }, /* Wellsburg AHCI */
+	{ PCI_VDEVICE(INTEL, 0x8d64), board_ahci_pcs_quirk }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d66), board_ahci_pcs_quirk }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x8d6e), board_ahci_pcs_quirk }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x23a3), board_ahci_pcs_quirk }, /* Coleto Creek AHCI */
+	{ PCI_VDEVICE(INTEL, 0x9c83), board_ahci_pcs_quirk }, /* Wildcat LP AHCI */
+	{ PCI_VDEVICE(INTEL, 0x9c85), board_ahci_pcs_quirk }, /* Wildcat LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x9c87), board_ahci_pcs_quirk }, /* Wildcat LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x9c8f), board_ahci_pcs_quirk }, /* Wildcat LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c82), board_ahci_pcs_quirk }, /* 9 Series AHCI */
+	{ PCI_VDEVICE(INTEL, 0x8c83), board_ahci_pcs_quirk }, /* 9 Series M AHCI */
+	{ PCI_VDEVICE(INTEL, 0x8c84), board_ahci_pcs_quirk }, /* 9 Series RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c85), board_ahci_pcs_quirk }, /* 9 Series M RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c86), board_ahci_pcs_quirk }, /* 9 Series RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c87), board_ahci_pcs_quirk }, /* 9 Series M RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c8e), board_ahci_pcs_quirk }, /* 9 Series RAID */
+	{ PCI_VDEVICE(INTEL, 0x8c8f), board_ahci_pcs_quirk }, /* 9 Series M RAID */
+	{ PCI_VDEVICE(INTEL, 0x9d03), board_ahci_pcs_quirk }, /* Sunrise LP AHCI */
+	{ PCI_VDEVICE(INTEL, 0x9d05), board_ahci_pcs_quirk }, /* Sunrise LP RAID */
+	{ PCI_VDEVICE(INTEL, 0x9d07), board_ahci_pcs_quirk }, /* Sunrise LP RAID */
+	{ PCI_VDEVICE(INTEL, 0xa102), board_ahci_pcs_quirk }, /* Sunrise Point-H AHCI */
+	{ PCI_VDEVICE(INTEL, 0xa103), board_ahci_pcs_quirk }, /* Sunrise M AHCI */
+	{ PCI_VDEVICE(INTEL, 0xa105), board_ahci_pcs_quirk }, /* Sunrise Point-H RAID */
+	{ PCI_VDEVICE(INTEL, 0xa106), board_ahci_pcs_quirk }, /* Sunrise Point-H RAID */
+	{ PCI_VDEVICE(INTEL, 0xa107), board_ahci_pcs_quirk }, /* Sunrise M RAID */
+	{ PCI_VDEVICE(INTEL, 0xa10f), board_ahci_pcs_quirk }, /* Sunrise Point-H RAID */
+	{ PCI_VDEVICE(INTEL, 0xa182), board_ahci_pcs_quirk }, /* Lewisburg AHCI*/
+	{ PCI_VDEVICE(INTEL, 0xa186), board_ahci_pcs_quirk }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa1d2), board_ahci_pcs_quirk }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa1d6), board_ahci_pcs_quirk }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa202), board_ahci_pcs_quirk }, /* Lewisburg AHCI*/
+	{ PCI_VDEVICE(INTEL, 0xa206), board_ahci_pcs_quirk }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa252), board_ahci_pcs_quirk }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa256), board_ahci_pcs_quirk }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa356), board_ahci_pcs_quirk }, /* Cannon Lake PCH-H RAID */
+	{ PCI_VDEVICE(INTEL, 0x06d7), board_ahci_pcs_quirk }, /* Comet Lake-H RAID */
+	{ PCI_VDEVICE(INTEL, 0xa386), board_ahci_pcs_quirk }, /* Comet Lake PCH-V RAID */
+	{ PCI_VDEVICE(INTEL, 0x0f22), board_ahci_pcs_quirk }, /* Bay Trail AHCI */
+	{ PCI_VDEVICE(INTEL, 0x0f23), board_ahci_pcs_quirk_no_devslp }, /* Bay Trail AHCI */
+	{ PCI_VDEVICE(INTEL, 0x22a3), board_ahci_pcs_quirk }, /* Cherry Tr. AHCI */
+	{ PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_pcs_quirk }, /* ApolloLake AHCI */
+	{ PCI_VDEVICE(INTEL, 0x34d3), board_ahci_pcs_quirk }, /* Ice Lake LP AHCI */
+	{ PCI_VDEVICE(INTEL, 0x02d3), board_ahci_pcs_quirk }, /* Comet Lake PCH-U AHCI */
+	{ PCI_VDEVICE(INTEL, 0x02d7), board_ahci_pcs_quirk }, /* Comet Lake PCH RAID */
 	/* Elkhart Lake IDs 0x4b60 & 0x4b62 https://sata-io.org/product/8803 not tested yet */
-	{ PCI_VDEVICE(INTEL, 0x4b63), board_ahci_low_power }, /* Elkhart Lake AHCI */
-	{ PCI_VDEVICE(INTEL, 0x7ae2), board_ahci_low_power }, /* Alder Lake-P AHCI */
+	{ PCI_VDEVICE(INTEL, 0x4b63), board_ahci_pcs_quirk }, /* Elkhart Lake AHCI */
 
 	/* JMicron 360/1/3/5/6, match class to avoid IDE function */
 	{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@@ -459,14 +456,14 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
 	{ PCI_VDEVICE(AMD, 0x7801), board_ahci_no_debounce_delay }, /* AMD Hudson-2 (AHCI mode) */
 	{ PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
-	{ PCI_VDEVICE(AMD, 0x7901), board_ahci_low_power }, /* AMD Green Sardine */
+	{ PCI_VDEVICE(AMD, 0x7901), board_ahci }, /* AMD Green Sardine */
 	/* AMD is using RAID class only for ahci controllers */
 	{ PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
 	  PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
 
 	/* Dell S140/S150 */
 	{ PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_SUBVENDOR_ID_DELL, PCI_ANY_ID,
-	  PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
+	  PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci_pcs_quirk },
 
 	/* VIA */
 	{ PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
@@ -623,8 +620,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	 * Samsung SSDs found on some macbooks.  NCQ times out if MSI is
 	 * enabled.  https://bugzilla.kernel.org/show_bug.cgi?id=60731
 	 */
-	{ PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
-	{ PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
+	{ PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_no_msi },
+	{ PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_no_msi },
 
 	/* Enmotus */
 	{ PCI_DEVICE(0x1c44, 0x8000), board_ahci },
@@ -668,6 +665,87 @@ static int mobile_lpm_policy = -1;
 module_param(mobile_lpm_policy, int, 0644);
 MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
 
+static char *ahci_mask_port_map;
+module_param_named(mask_port_map, ahci_mask_port_map, charp, 0444);
+MODULE_PARM_DESC(mask_port_map,
+		 "32-bits port map masks to ignore controllers ports. "
+		 "Valid values are: "
+		 "\"<mask>\" to apply the same mask to all AHCI controller "
+		 "devices, and \"<pci_dev>=<mask>,<pci_dev>=<mask>,...\" to "
+		 "specify different masks for the controllers specified, "
+		 "where <pci_dev> is the PCI ID of an AHCI controller in the "
+		 "form \"domain:bus:dev.func\"");
+
+static void ahci_apply_port_map_mask(struct device *dev,
+				     struct ahci_host_priv *hpriv, char *mask_s)
+{
+	unsigned int mask;
+
+	if (kstrtouint(mask_s, 0, &mask)) {
+		dev_err(dev, "Invalid port map mask\n");
+		return;
+	}
+
+	hpriv->mask_port_map = mask;
+}
+
+static void ahci_get_port_map_mask(struct device *dev,
+				   struct ahci_host_priv *hpriv)
+{
+	char *param, *end, *str, *mask_s;
+	char *name;
+
+	if (!strlen(ahci_mask_port_map))
+		return;
+
+	str = kstrdup(ahci_mask_port_map, GFP_KERNEL);
+	if (!str)
+		return;
+
+	/* Handle single mask case */
+	if (!strchr(str, '=')) {
+		ahci_apply_port_map_mask(dev, hpriv, str);
+		goto free;
+	}
+
+	/*
+	 * Mask list case: parse the parameter to apply the mask only if
+	 * the device name matches.
+	 */
+	param = str;
+	end = param + strlen(param);
+	while (param && param < end && *param) {
+		name = param;
+		param = strchr(name, '=');
+		if (!param)
+			break;
+
+		*param = '\0';
+		param++;
+		if (param >= end)
+			break;
+
+		if (strcmp(dev_name(dev), name) != 0) {
+			param = strchr(param, ',');
+			if (param)
+				param++;
+			continue;
+		}
+
+		mask_s = param;
+		param = strchr(mask_s, ',');
+		if (param) {
+			*param = '\0';
+			param++;
+		}
+
+		ahci_apply_port_map_mask(dev, hpriv, mask_s);
+	}
+
+free:
+	kfree(str);
+}
+
 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
 					 struct ahci_host_priv *hpriv)
 {
@@ -690,6 +768,10 @@ static void ahci_pci_save_initial_config(struct pci_dev *pdev,
 			  "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
 	}
 
+	/* Handle port map masks passed as module parameter. */
+	if (ahci_mask_port_map)
+		ahci_get_port_map_mask(&pdev->dev, hpriv);
+
 	ahci_save_initial_config(&pdev->dev, hpriv);
 }
 
@@ -1418,17 +1500,6 @@ static bool ahci_broken_online(struct pci_dev *pdev)
 	return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
 }
 
-static bool ahci_broken_devslp(struct pci_dev *pdev)
-{
-	/* device with broken DEVSLP but still showing SDS capability */
-	static const struct pci_device_id ids[] = {
-		{ PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
-		{}
-	};
-
-	return pci_match_id(ids, pdev);
-}
-
 #ifdef CONFIG_ATA_ACPI
 static void ahci_gtf_filter_workaround(struct ata_host *host)
 {
@@ -1637,15 +1708,40 @@ static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
 	return pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
 }
 
-static void ahci_update_initial_lpm_policy(struct ata_port *ap,
-					   struct ahci_host_priv *hpriv)
+static void ahci_mark_external_port(struct ata_port *ap)
 {
+	struct ahci_host_priv *hpriv = ap->host->private_data;
+	void __iomem *port_mmio = ahci_port_base(ap);
+	u32 tmp;
+
+	/* mark external ports (hotplug-capable, eSATA) */
+	tmp = readl(port_mmio + PORT_CMD);
+	if (((tmp & PORT_CMD_ESP) && (hpriv->cap & HOST_CAP_SXS)) ||
+	    (tmp & PORT_CMD_HPCP))
+		ap->pflags |= ATA_PFLAG_EXTERNAL;
+}
+
+static void ahci_update_initial_lpm_policy(struct ata_port *ap)
+{
+	struct ahci_host_priv *hpriv = ap->host->private_data;
 	int policy = CONFIG_SATA_MOBILE_LPM_POLICY;
 
+	/*
+	 * AHCI contains a known incompatibility between LPM and hot-plug
+	 * removal events, see 7.3.1 Hot Plug Removal Detection and Power
+	 * Management Interaction in AHCI 1.3.1. Therefore, do not enable
+	 * LPM if the port advertises itself as an external port.
+	 */
+	if (ap->pflags & ATA_PFLAG_EXTERNAL)
+		return;
 
-	/* Ignore processing for chipsets that don't use policy */
-	if (!(hpriv->flags & AHCI_HFLAG_USE_LPM_POLICY))
+	/* If no LPM states are supported by the HBA, do not bother with LPM */
+	if ((ap->host->flags & ATA_HOST_NO_PART) &&
+	    (ap->host->flags & ATA_HOST_NO_SSC) &&
+	    (ap->host->flags & ATA_HOST_NO_DEVSLP)) {
+		ata_port_dbg(ap, "no LPM states supported, not enabling LPM\n");
 		return;
+	}
 
 	/* user modified policy via module param */
 	if (mobile_lpm_policy != -1) {
@@ -1667,17 +1763,9 @@ update_policy:
 
 static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv)
 {
-	const struct pci_device_id *id = pci_match_id(ahci_pci_tbl, pdev);
 	u16 tmp16;
 
-	/*
-	 * Only apply the 6-port PCS quirk for known legacy platforms.
-	 */
-	if (!id || id->vendor != PCI_VENDOR_ID_INTEL)
-		return;
-
-	/* Skip applying the quirk on Denverton and beyond */
-	if (((enum board_ids) id->driver_data) >= board_ahci_pcs7)
+	if (!(hpriv->flags & AHCI_HFLAG_INTEL_PCS_QUIRK))
 		return;
 
 	/*
@@ -1812,10 +1900,6 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 				&dev_attr_remapped_nvme.attr,
 				NULL);
 
-	/* must set flag prior to save config in order to take effect */
-	if (ahci_broken_devslp(pdev))
-		hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
-
 #ifdef CONFIG_ARM64
 	if (pdev->vendor == PCI_VENDOR_ID_HUAWEI &&
 	    pdev->device == 0xa235 &&
@@ -1929,7 +2013,9 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		if (ap->flags & ATA_FLAG_EM)
 			ap->em_message_type = hpriv->em_msg_type;
 
-		ahci_update_initial_lpm_policy(ap, hpriv);
+		ahci_mark_external_port(ap);
+
+		ahci_update_initial_lpm_policy(ap);
 
 		/* disabled/not-implemented port */
 		if (!(hpriv->port_map & (1 << i)))
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index df8f8a1a3a..344c87210d 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -241,13 +241,11 @@ enum {
 	AHCI_HFLAG_YES_ALPM		= BIT(23), /* force ALPM cap on */
 	AHCI_HFLAG_NO_WRITE_TO_RO	= BIT(24), /* don't write to read
 						      only registers */
-	AHCI_HFLAG_USE_LPM_POLICY	= BIT(25), /* chipset that should use
-						      SATA_MOBILE_LPM_POLICY
-						      as default lpm_policy */
-	AHCI_HFLAG_SUSPEND_PHYS		= BIT(26), /* handle PHYs during
+	AHCI_HFLAG_SUSPEND_PHYS		= BIT(25), /* handle PHYs during
 						      suspend/resume */
-	AHCI_HFLAG_NO_SXS		= BIT(28), /* SXS not supported */
-	AHCI_HFLAG_43BIT_ONLY		= BIT(29), /* 43bit DMA addr limit */
+	AHCI_HFLAG_NO_SXS		= BIT(26), /* SXS not supported */
+	AHCI_HFLAG_43BIT_ONLY		= BIT(27), /* 43bit DMA addr limit */
+	AHCI_HFLAG_INTEL_PCS_QUIRK	= BIT(28), /* apply Intel PCS quirk */
 
 	/* ap->flags bits */
 
diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c
index d4a626f879..79a8b0aa37 100644
--- a/drivers/ata/ahci_st.c
+++ b/drivers/ata/ahci_st.c
@@ -30,7 +30,6 @@
 #define ST_AHCI_OOBR_CIMAX_SHIFT	0
 
 struct st_ahci_drv_data {
-	struct platform_device *ahci;
 	struct reset_control *pwr;
 	struct reset_control *sw_rst;
 	struct reset_control *pwr_rst;
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 1a63200ea4..83431aae74 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1280,10 +1280,8 @@ static void ahci_port_init(struct device *dev, struct ata_port *ap,
 			   int port_no, void __iomem *mmio,
 			   void __iomem *port_mmio)
 {
-	struct ahci_host_priv *hpriv = ap->host->private_data;
 	const char *emsg = NULL;
 	int rc;
-	u32 tmp;
 
 	/* make sure port is not active */
 	rc = ahci_deinit_port(ap, &emsg);
@@ -1291,11 +1289,6 @@ static void ahci_port_init(struct device *dev, struct ata_port *ap,
 		dev_warn(dev, "%s (%d)\n", emsg, rc);
 
 	ahci_port_clear_pending_irq(ap);
-
-	/* mark esata ports */
-	tmp = readl(port_mmio + PORT_CMD);
-	if ((tmp & PORT_CMD_ESP) && (hpriv->cap & HOST_CAP_SXS))
-		ap->pflags |= ATA_PFLAG_EXTERNAL;
 }
 
 void ahci_init_controller(struct ata_host *host)
@@ -2627,8 +2620,8 @@ void ahci_print_info(struct ata_host *host, const char *scc_s)
 		speed_s = "?";
 
 	dev_info(host->dev,
-		"AHCI %02x%02x.%02x%02x "
-		"%u slots %u ports %s Gbps 0x%x impl %s mode\n"
+		"AHCI vers %02x%02x.%02x%02x, "
+		"%u command slots, %s Gbps, %s mode\n"
 		,
 
 		(vers >> 24) & 0xff,
@@ -2637,12 +2630,18 @@ void ahci_print_info(struct ata_host *host, const char *scc_s)
 		vers & 0xff,
 
 		((cap >> 8) & 0x1f) + 1,
-		(cap & 0x1f) + 1,
 		speed_s,
-		impl,
 		scc_s);
 
 	dev_info(host->dev,
+		"%u/%u ports implemented (port mask 0x%x)\n"
+		,
+
+		hweight32(impl),
+		(cap & 0x1f) + 1,
+		impl);
+
+	dev_info(host->dev,
 		"flags: "
 		"%s%s%s%s%s%s%s"
 		"%s%s%s%s%s%s%s"
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c449d60d9b..28caed151e 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4180,8 +4180,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "PIONEER BD-RW   BDR-207M",	NULL,	ATA_HORKAGE_NOLPM },
 	{ "PIONEER BD-RW   BDR-205",	NULL,	ATA_HORKAGE_NOLPM },
 
-	/* Crucial BX100 SSD 500GB has broken LPM support */
+	/* Crucial devices with broken LPM support */
 	{ "CT500BX100SSD1",		NULL,	ATA_HORKAGE_NOLPM },
+	{ "CT240BX500SSD1",		NULL,	ATA_HORKAGE_NOLPM },
 
 	/* 512GB MX100 with MU01 firmware has both queued TRIM and LPM issues */
 	{ "Crucial_CT512MX100*",	"MU01",	ATA_HORKAGE_NO_NCQ_TRIM |
@@ -4199,6 +4200,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 						ATA_HORKAGE_ZERO_AFTER_TRIM |
 						ATA_HORKAGE_NOLPM },
 
+	/* Apacer models with LPM issues */
+	{ "Apacer AS340*",		NULL,	ATA_HORKAGE_NOLPM },
+
+	/* AMD Radeon devices with broken LPM support */
+	{ "R3SL240G",			NULL,	ATA_HORKAGE_NOLPM },
+
 	/* These specific Samsung models/firmware-revs do not handle LPM well */
 	{ "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_HORKAGE_NOLPM },
 	{ "SAMSUNG SSD PM830 mSATA *",  "CXM13D1Q", ATA_HORKAGE_NOLPM },
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index e954976891..9c3daa7d19 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1828,11 +1828,11 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
 		2
 	};
 
-	/* set scsi removable (RMB) bit per ata bit, or if the
-	 * AHCI port says it's external (Hotplug-capable, eSATA).
+	/*
+	 * Set the SCSI Removable Media Bit (RMB) if the ATA removable media
+	 * device bit (obsolete since ATA-8 ACS) is set.
 	 */
-	if (ata_id_removable(args->id) ||
-	    (args->dev->link->ap->pflags & ATA_PFLAG_EXTERNAL))
+	if (ata_id_removable(args->id))
 		hdr[1] |= (1 << 7);
 
 	if (args->dev->class == ATA_DEV_ZAC) {
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 448a511cbc..e7ac142c24 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -173,8 +173,6 @@ static int legacy_port[NR_HOST] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 };
 static struct legacy_probe probe_list[NR_HOST];
 static struct legacy_data legacy_data[NR_HOST];
 static struct ata_host *legacy_host[NR_HOST];
-static int nr_legacy_host;
-
 
 /**
  *	legacy_probe_add	-	Add interface to probe list
@@ -1276,9 +1274,11 @@ static __exit void legacy_exit(void)
 {
 	int i;
 
-	for (i = 0; i < nr_legacy_host; i++) {
+	for (i = 0; i < NR_HOST; i++) {
 		struct legacy_data *ld = &legacy_data[i];
-		ata_host_detach(legacy_host[i]);
+
+		if (legacy_host[i])
+			ata_host_detach(legacy_host[i]);
 		platform_device_unregister(ld->platform_dev);
 	}
 }
diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index 17f6ccee53..88b2e9817f 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -1188,7 +1188,7 @@ static int pata_macio_attach(struct macio_dev *mdev,
 	return rc;
 }
 
-static int pata_macio_detach(struct macio_dev *mdev)
+static void pata_macio_detach(struct macio_dev *mdev)
 {
 	struct ata_host *host = macio_get_drvdata(mdev);
 	struct pata_macio_priv *priv = host->private_data;
@@ -1203,8 +1203,6 @@ static int pata_macio_detach(struct macio_dev *mdev)
 	ata_host_detach(host);
 
 	unlock_media_bay(priv->mdev->media_bay);
-
-	return 0;
 }
 
 #ifdef CONFIG_PM_SLEEP
@@ -1373,9 +1371,6 @@ static struct pci_driver pata_macio_pci_driver = {
 	.suspend	= pata_macio_pci_suspend,
 	.resume		= pata_macio_pci_resume,
 #endif
-	.driver = {
-		.owner		= THIS_MODULE,
-	},
 };
 MODULE_DEVICE_TABLE(pci, pata_macio_pci_match);
 
diff --git a/drivers/ata/pata_parport/pata_parport.c b/drivers/ata/pata_parport/pata_parport.c
index a7adfdcb5e..9a2cb9ca9d 100644
--- a/drivers/ata/pata_parport/pata_parport.c
+++ b/drivers/ata/pata_parport/pata_parport.c
@@ -464,7 +464,7 @@ static void pata_parport_bus_release(struct device *dev)
 	/* nothing to do here but required to avoid warning on device removal */
 }
 
-static struct bus_type pata_parport_bus_type = {
+static const struct bus_type pata_parport_bus_type = {
 	.name = DRV_NAME,
 };