diff options
| author | Jialin Zhang <zhangjialin11@huawei.com> | 2023-08-15 10:38:21 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-08-21 18:39:25 +0530 |
| commit | c65029b13b67b1bef9a7326ea042b58e3aa81f6f (patch) | |
| tree | 22050769511f59f6c3212b2e7027e1e46c5b702e | |
| parent | f4f84fb632b30580f11133fb81372338da2229f5 (diff) | |
| download | lwn-c65029b13b67b1bef9a7326ea042b58e3aa81f6f.tar.gz lwn-c65029b13b67b1bef9a7326ea042b58e3aa81f6f.zip | |
dmaengine: ioatdma: use pci_dev_id() to simplify the code
PCI core API pci_dev_id() can be used to get the BDF number for a pci
device. We don't need to compose it mannually. Use pci_dev_id() to
simplify the code a little bit.
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20230815023821.3518007-1-zhangjialin11@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | drivers/dma/ioat/dca.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/ioat/dca.c b/drivers/dma/ioat/dca.c index 289c59ed74b9..17f6b6367113 100644 --- a/drivers/dma/ioat/dca.c +++ b/drivers/dma/ioat/dca.c @@ -51,7 +51,7 @@ /* pack PCI B/D/F into a u16 */ static inline u16 dcaid_from_pcidev(struct pci_dev *pci) { - return (pci->bus->number << 8) | pci->devfn; + return pci_dev_id(pci); } static int dca_enabled_in_bios(struct pci_dev *pdev) |