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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
| commit | dc50eab76b709d68175a358d6e23a5a3890764d3 (patch) | |
| tree | c754d0390db060af0213ff994f0ac310e4cfd6e9 /drivers/pci/ats.c | |
| parent | Adding debian version 6.6.15-2. (diff) | |
| download | linux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip | |
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/pci/ats.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c index f9cc2e10b6..c570892b20 100644 --- a/drivers/pci/ats.c +++ b/drivers/pci/ats.c @@ -9,6 +9,7 @@ * Copyright (C) 2011 Advanced Micro Devices, */ +#include <linux/bitfield.h> #include <linux/export.h> #include <linux/pci-ats.h> #include <linux/pci.h> @@ -480,8 +481,6 @@ int pci_pasid_features(struct pci_dev *pdev) } EXPORT_SYMBOL_GPL(pci_pasid_features); -#define PASID_NUMBER_SHIFT 8 -#define PASID_NUMBER_MASK (0x1f << PASID_NUMBER_SHIFT) /** * pci_max_pasids - Get maximum number of PASIDs supported by device * @pdev: PCI device structure @@ -503,9 +502,7 @@ int pci_max_pasids(struct pci_dev *pdev) pci_read_config_word(pdev, pasid + PCI_PASID_CAP, &supported); - supported = (supported & PASID_NUMBER_MASK) >> PASID_NUMBER_SHIFT; - - return (1 << supported); + return (1 << FIELD_GET(PCI_PASID_CAP_WIDTH, supported)); } EXPORT_SYMBOL_GPL(pci_max_pasids); #endif /* CONFIG_PCI_PASID */ |