[U-Boot] [PATCH v2 10/13] pci: Use a separate 'dev' variable for the PCI device

Bin Meng bmeng.cn at gmail.com
Mon Nov 23 03:45:04 CET 2015


Hi Simon,

On Sun, Nov 22, 2015 at 7:28 AM, Simon Glass <sjg at chromium.org> wrote:
> In the 'pci' command, add a separate variable to hold the PCI device. When
> this code is converted to driver model, this variable will be used to hold a
> struct udevice instead.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v2:
> - Use 'return 0' instead of 'break' after the 's' command

This change log does not sound correct to me.

>
>  common/cmd_pci.c | 15 +++++++++------
>  1 file changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/common/cmd_pci.c b/common/cmd_pci.c
> index 51e1f1c..bfebc80 100644
> --- a/common/cmd_pci.c
> +++ b/common/cmd_pci.c
> @@ -437,6 +437,7 @@ static int do_pci(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
>  {
>         ulong addr = 0, value = 0, cmd_size = 0;
>         enum pci_size_t size;
> +       pci_dev_t dev;
>         int busnum = 0;
>         pci_dev_t bdf = 0;
>         char cmd = 's';
> @@ -481,12 +482,14 @@ static int do_pci(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
>                 return 0;
>         }
>
> -       switch (argv[1][0]) {
> +       dev = bdf;
> +
> +       switch (cmd) {

Guess changing argv[1][0] to cmd here is another merge/rebase error?

>         case 'h':               /* header */
> -               pci_header_show(bdf);
> +               pci_header_show(dev);
>                 break;
>         case 'd':               /* display */
> -               return pci_cfg_display(bdf, addr, size, value);
> +               return pci_cfg_display(dev, addr, size, value);
>  #ifdef CONFIG_CMD_PCI_ENUM
>         case 'e':
>  # ifdef CONFIG_DM_PCI
> @@ -499,17 +502,17 @@ static int do_pci(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
>         case 'n':               /* next */
>                 if (argc < 4)
>                         goto usage;
> -               ret = pci_cfg_modify(bdf, addr, size, value, 0);
> +               ret = pci_cfg_modify(dev, addr, size, value, 0);
>                 break;
>         case 'm':               /* modify */
>                 if (argc < 4)
>                         goto usage;
> -               ret = pci_cfg_modify(bdf, addr, size, value, 1);
> +               ret = pci_cfg_modify(dev, addr, size, value, 1);
>                 break;
>         case 'w':               /* write */
>                 if (argc < 5)
>                         goto usage;
> -               ret = pci_cfg_write(bdf, addr, size, value);
> +               ret = pci_cfg_write(dev, addr, size, value);
>                 break;
>         default:
>                 ret = CMD_RET_USAGE;
> --

Regards,
Bin


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