Change the call to skd_pci_info() to pcie_print_link_status().
pcie_print_link_status() can be used to print the link speed and
the link width, skd_pci_info() does the same and hence it is removed.
Signed-off-by: Puranjay Mohan <[email protected]>
---
v1 - Add call to pcie_print_link_status()
---
drivers/block/skd_main.c | 33 +--------------------------------
1 file changed, 1 insertion(+), 32 deletions(-)
diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c
index a962b4551bed..efd69f349043 100644
--- a/drivers/block/skd_main.c
+++ b/drivers/block/skd_main.c
@@ -3134,40 +3134,10 @@ static const struct pci_device_id skd_pci_tbl[] = {
MODULE_DEVICE_TABLE(pci, skd_pci_tbl);
-static char *skd_pci_info(struct skd_device *skdev, char *str)
-{
- int pcie_reg;
-
- strcpy(str, "PCIe (");
- pcie_reg = pci_find_capability(skdev->pdev, PCI_CAP_ID_EXP);
-
- if (pcie_reg) {
-
- char lwstr[6];
- uint16_t pcie_lstat, lspeed, lwidth;
-
- pcie_reg += 0x12;
- pci_read_config_word(skdev->pdev, pcie_reg, &pcie_lstat);
- lspeed = pcie_lstat & (0xF);
- lwidth = (pcie_lstat & 0x3F0) >> 4;
-
- if (lspeed == 1)
- strcat(str, "2.5GT/s ");
- else if (lspeed == 2)
- strcat(str, "5.0GT/s ");
- else
- strcat(str, "<unknown> ");
- snprintf(lwstr, sizeof(lwstr), "%dX)", lwidth);
- strcat(str, lwstr);
- }
- return str;
-}
-
static int skd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int i;
int rc = 0;
- char pci_str[32];
struct skd_device *skdev;
dev_dbg(&pdev->dev, "vendor=%04X device=%04x\n", pdev->vendor,
@@ -3201,8 +3171,7 @@ static int skd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_regions;
}
- skd_pci_info(skdev, pci_str);
- dev_info(&pdev->dev, "%s 64bit\n", pci_str);
+ pcie_print_link_status(pdev);
pci_set_master(pdev);
rc = pci_enable_pcie_error_reporting(pdev);
--
2.27.0
On 2020/12/15 0:27, Puranjay Mohan wrote:
> Change the call to skd_pci_info() to pcie_print_link_status().
> pcie_print_link_status() can be used to print the link speed and
> the link width, skd_pci_info() does the same and hence it is removed.
>
> Signed-off-by: Puranjay Mohan <[email protected]>
> ---
> v1 - Add call to pcie_print_link_status()
> ---
> drivers/block/skd_main.c | 33 +--------------------------------
> 1 file changed, 1 insertion(+), 32 deletions(-)
>
> diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c
> index a962b4551bed..efd69f349043 100644
> --- a/drivers/block/skd_main.c
> +++ b/drivers/block/skd_main.c
> @@ -3134,40 +3134,10 @@ static const struct pci_device_id skd_pci_tbl[] = {
>
> MODULE_DEVICE_TABLE(pci, skd_pci_tbl);
>
> -static char *skd_pci_info(struct skd_device *skdev, char *str)
> -{
> - int pcie_reg;
> -
> - strcpy(str, "PCIe (");
> - pcie_reg = pci_find_capability(skdev->pdev, PCI_CAP_ID_EXP);
> -
> - if (pcie_reg) {
> -
> - char lwstr[6];
> - uint16_t pcie_lstat, lspeed, lwidth;
> -
> - pcie_reg += 0x12;
> - pci_read_config_word(skdev->pdev, pcie_reg, &pcie_lstat);
> - lspeed = pcie_lstat & (0xF);
> - lwidth = (pcie_lstat & 0x3F0) >> 4;
> -
> - if (lspeed == 1)
> - strcat(str, "2.5GT/s ");
> - else if (lspeed == 2)
> - strcat(str, "5.0GT/s ");
> - else
> - strcat(str, "<unknown> ");
> - snprintf(lwstr, sizeof(lwstr), "%dX)", lwidth);
> - strcat(str, lwstr);
> - }
> - return str;
> -}
> -
> static int skd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
> {
> int i;
> int rc = 0;
> - char pci_str[32];
> struct skd_device *skdev;
>
> dev_dbg(&pdev->dev, "vendor=%04X device=%04x\n", pdev->vendor,
> @@ -3201,8 +3171,7 @@ static int skd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
> goto err_out_regions;
> }
>
> - skd_pci_info(skdev, pci_str);
> - dev_info(&pdev->dev, "%s 64bit\n", pci_str);
> + pcie_print_link_status(pdev);
>
> pci_set_master(pdev);
> rc = pci_enable_pcie_error_reporting(pdev);
>
Note: V1 of this patch was the one I commented on. This one should thus be V2.
In any case, this looks OK to me.
Acked-by: Damien Le Moal <[email protected]>
--
Damien Le Moal
Western Digital Research