Messages in this thread Patch in this message | | | From | Arvind Yadav <> | Subject | [PATCH] dmaengine: ioat: constify pci_device_id. | Date | Mon, 17 Jul 2017 21:39:00 +0530 |
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pci_device_id are not supposed to change at runtime. All functions working with pci_device_id provided by <linux/pci.h> work with const pci_device_id. So mark the non-const structs as const.
File size before: text data bss dec hex filename 12582 3056 16 15654 3d26 drivers/dma/ioat/init.o
File size After adding 'const': text data bss dec hex filename 14773 865 16 15654 3d26 drivers/dma/ioat/init.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- drivers/dma/ioat/init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c index ed8ed11..93e006c 100644 --- a/drivers/dma/ioat/init.c +++ b/drivers/dma/ioat/init.c @@ -39,7 +39,7 @@ MODULE_VERSION(IOAT_DMA_VERSION); MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Intel Corporation"); -static struct pci_device_id ioat_pci_tbl[] = { +static const struct pci_device_id ioat_pci_tbl[] = { /* I/OAT v3 platforms */ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_TBG0) }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_TBG1) }, -- 2.7.4
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