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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:40:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:40:19 +0000
commit9f0fc191371843c4fc000a226b0a26b6c059aacd (patch)
tree35f8be3ef04506ac891ad001e8c41e535ae8d01d /drivers/pci/msi
parentReleasing progress-linux version 6.6.15-2~progress7.99u1. (diff)
downloadlinux-9f0fc191371843c4fc000a226b0a26b6c059aacd.tar.xz
linux-9f0fc191371843c4fc000a226b0a26b6c059aacd.zip
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/pci/msi')
-rw-r--r--drivers/pci/msi/irqdomain.c2
-rw-r--r--drivers/pci/msi/msi.c10
2 files changed, 7 insertions, 5 deletions
diff --git a/drivers/pci/msi/irqdomain.c b/drivers/pci/msi/irqdomain.c
index c8be056c2..cfd84a899 100644
--- a/drivers/pci/msi/irqdomain.c
+++ b/drivers/pci/msi/irqdomain.c
@@ -61,7 +61,7 @@ static irq_hw_number_t pci_msi_domain_calc_hwirq(struct msi_desc *desc)
return (irq_hw_number_t)desc->msi_index |
pci_dev_id(dev) << 11 |
- (pci_domain_nr(dev->bus) & 0xFFFFFFFF) << 27;
+ ((irq_hw_number_t)(pci_domain_nr(dev->bus) & 0xFFFFFFFF)) << 27;
}
static void pci_msi_domain_set_desc(msi_alloc_info_t *arg,
diff --git a/drivers/pci/msi/msi.c b/drivers/pci/msi/msi.c
index ef1d8857a..682fa8774 100644
--- a/drivers/pci/msi/msi.c
+++ b/drivers/pci/msi/msi.c
@@ -6,6 +6,7 @@
* Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
* Copyright (C) 2016 Christoph Hellwig.
*/
+#include <linux/bitfield.h>
#include <linux/err.h>
#include <linux/export.h>
#include <linux/irq.h>
@@ -188,7 +189,7 @@ static inline void pci_write_msg_msi(struct pci_dev *dev, struct msi_desc *desc,
pci_read_config_word(dev, pos + PCI_MSI_FLAGS, &msgctl);
msgctl &= ~PCI_MSI_FLAGS_QSIZE;
- msgctl |= desc->pci.msi_attrib.multiple << 4;
+ msgctl |= FIELD_PREP(PCI_MSI_FLAGS_QSIZE, desc->pci.msi_attrib.multiple);
pci_write_config_word(dev, pos + PCI_MSI_FLAGS, msgctl);
pci_write_config_dword(dev, pos + PCI_MSI_ADDRESS_LO, msg->address_lo);
@@ -299,7 +300,7 @@ static int msi_setup_msi_desc(struct pci_dev *dev, int nvec,
desc.pci.msi_attrib.is_64 = !!(control & PCI_MSI_FLAGS_64BIT);
desc.pci.msi_attrib.can_mask = !!(control & PCI_MSI_FLAGS_MASKBIT);
desc.pci.msi_attrib.default_irq = dev->irq;
- desc.pci.msi_attrib.multi_cap = (control & PCI_MSI_FLAGS_QMASK) >> 1;
+ desc.pci.msi_attrib.multi_cap = FIELD_GET(PCI_MSI_FLAGS_QMASK, control);
desc.pci.msi_attrib.multiple = ilog2(__roundup_pow_of_two(nvec));
desc.affinity = masks;
@@ -478,7 +479,7 @@ int pci_msi_vec_count(struct pci_dev *dev)
return -EINVAL;
pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &msgctl);
- ret = 1 << ((msgctl & PCI_MSI_FLAGS_QMASK) >> 1);
+ ret = 1 << FIELD_GET(PCI_MSI_FLAGS_QMASK, msgctl);
return ret;
}
@@ -511,7 +512,8 @@ void __pci_restore_msi_state(struct pci_dev *dev)
pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &control);
pci_msi_update_mask(entry, 0, 0);
control &= ~PCI_MSI_FLAGS_QSIZE;
- control |= (entry->pci.msi_attrib.multiple << 4) | PCI_MSI_FLAGS_ENABLE;
+ control |= PCI_MSI_FLAGS_ENABLE |
+ FIELD_PREP(PCI_MSI_FLAGS_QSIZE, entry->pci.msi_attrib.multiple);
pci_write_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, control);
}