Re: [PATCH 2/3] PCI: Cleanup early_dump_pci_device()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On 6/10/25 3:58 AM, Ilpo Järvinen wrote:
Convert 256 to PCI_CFG_SPACE_SIZE and 4 to sizeof(u32) and
avoid i / 4 construct by changing the iteration.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---

Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>

  drivers/pci/probe.c | 9 +++++----
  1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index c00634e5a2ed..f08e754c404b 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -3,6 +3,7 @@
   * PCI detection and setup code
   */
+#include <linux/array_size.h>
  #include <linux/kernel.h>
  #include <linux/delay.h>
  #include <linux/init.h>
@@ -1912,16 +1913,16 @@ static int pci_intx_mask_broken(struct pci_dev *dev)
static void early_dump_pci_device(struct pci_dev *pdev)
  {
-	u32 value[256 / 4];
+	u32 value[PCI_CFG_SPACE_SIZE / sizeof(u32)];
  	int i;
pci_info(pdev, "config space:\n"); - for (i = 0; i < 256; i += 4)
-		pci_read_config_dword(pdev, i, &value[i / 4]);
+	for (i = 0; i < ARRAY_SIZE(value); i++)
+		pci_read_config_dword(pdev, i * sizeof(u32), &value[i]);
print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1,
-		       value, 256, false);
+		       value, ARRAY_SIZE(value) * sizeof(u32), false);
  }
static const char *pci_type_str(struct pci_dev *dev)

--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer





[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux