diff options
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/ahci.h | 2 | ||||
| -rw-r--r-- | drivers/ata/ahci_imx.c | 2 | ||||
| -rw-r--r-- | drivers/ata/libahci_platform.c | 14 | ||||
| -rw-r--r-- | drivers/ata/libata-core.c | 4 | ||||
| -rw-r--r-- | drivers/ata/libata-transport.c | 1 | ||||
| -rw-r--r-- | drivers/ata/pata_legacy.c | 5 |
6 files changed, 21 insertions, 7 deletions
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index 9290e787a..d5b9f9689 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -265,7 +265,7 @@ enum { PCS_7 = 0x94, /* 7+ port PCS (Denverton) */ /* em constants */ - EM_MAX_SLOTS = 8, + EM_MAX_SLOTS = SATA_PMP_MAX_PORTS, EM_MAX_RETRY = 5, /* em_ctl bits */ diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c index b00799d20..46e61a1ab 100644 --- a/drivers/ata/ahci_imx.c +++ b/drivers/ata/ahci_imx.c @@ -1250,4 +1250,4 @@ module_platform_driver(imx_ahci_driver); MODULE_DESCRIPTION("Freescale i.MX AHCI SATA platform driver"); MODULE_AUTHOR("Richard Zhu <Hong-Xing.Zhu@freescale.com>"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("ahci:imx"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index 6a55aac0c..63086f90b 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -421,14 +421,24 @@ struct ahci_host_priv *ahci_platform_get_resources(struct platform_device *pdev, } } - hpriv->nports = child_nodes = of_get_child_count(dev->of_node); + /* + * Too many sub-nodes most likely means having something wrong with + * the firmware. + */ + child_nodes = of_get_child_count(dev->of_node); + if (child_nodes > AHCI_MAX_PORTS) { + rc = -EINVAL; + goto err_out; + } /* * If no sub-node was found, we still need to set nports to * one in order to be able to use the * ahci_platform_[en|dis]able_[phys|regulators] functions. */ - if (!child_nodes) + if (child_nodes) + hpriv->nports = child_nodes; + else hpriv->nports = 1; hpriv->phys = devm_kcalloc(dev, hpriv->nports, sizeof(*hpriv->phys), GFP_KERNEL); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index b0dea0702..6d110a1c0 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4560,6 +4560,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "PIONEER DVD-RW DVR-212D", NULL, ATA_HORKAGE_NOSETXFER }, { "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER }, + /* These specific Pioneer models have LPM issues */ + { "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 */ { "CT500BX100SSD1", NULL, ATA_HORKAGE_NOLPM }, diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c index 43a91495e..f04f4f977 100644 --- a/drivers/ata/libata-transport.c +++ b/drivers/ata/libata-transport.c @@ -317,7 +317,6 @@ int ata_tport_add(struct device *parent, tport_err: transport_destroy_device(dev); put_device(dev); - ata_host_put(ap->host); return error; } diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index 52cea1b3e..591778024 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -292,9 +292,10 @@ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev) outb(inb(0x1F4) & 0x07, 0x1F4); rt = inb(0x1F3); - rt &= 0x07 << (3 * adev->devno); + rt &= ~(0x07 << (3 * !adev->devno)); if (pio) - rt |= (1 + 3 * pio) << (3 * adev->devno); + rt |= (1 + 3 * pio) << (3 * !adev->devno); + outb(rt, 0x1F3); udelay(100); outb(inb(0x1F2) | 0x01, 0x1F2); |