[U-Boot] [PATCH v3 10/13] pci: Use a separate 'dev' variable for the PCI device

Bin Meng bmeng.cn at gmail.com
Fri Nov 27 08:38:02 CET 2015


On Fri, Nov 27, 2015 at 10:51 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 v3:
> - Fix 'switch (cmd)' merge error
>
> Changes in v2:
> - Refactor the patch based on dropping the earlier refactor patch
>
>  common/cmd_pci.c | 13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/common/cmd_pci.c b/common/cmd_pci.c
> index 4874033..857e3e5 100644
> --- a/common/cmd_pci.c
> +++ b/common/cmd_pci.c
> @@ -444,6 +444,7 @@ 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_SIZE_32;
> +       pci_dev_t dev;
>         int busnum = 0;
>         pci_dev_t bdf = 0;
>         char cmd = 's';
> @@ -488,12 +489,14 @@ static int do_pci(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
>                 return 0;
>         }
>
> +       dev = bdf;
> +
>         switch (argv[1][0]) {
>         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
> @@ -506,17 +509,17 @@ 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;
> --

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>


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