Hi Hao,
On Mon, Aug 12, 2019 at 10:49:57AM +0800, Wu Hao wrote:
> This patch takes advantage of driver core which helps to create
> and remove sysfs attribute files, so there is no need to register
> sysfs entries manually in dfl-fme platform river code.
Nit: s/river/driver
>
> Signed-off-by: Wu Hao <hao.wu@xxxxxxxxx>
Acked-by: Moritz Fischer <mdf@xxxxxxxxxx>
> ---
> drivers/fpga/dfl-fme-main.c | 29 ++---------------------------
> 1 file changed, 2 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/fpga/dfl-fme-main.c b/drivers/fpga/dfl-fme-main.c
> index f033f1c..bf8114d 100644
> --- a/drivers/fpga/dfl-fme-main.c
> +++ b/drivers/fpga/dfl-fme-main.c
> @@ -129,30 +129,6 @@ static ssize_t socket_id_show(struct device *dev,
> };
> ATTRIBUTE_GROUPS(fme_hdr);
>
> -static int fme_hdr_init(struct platform_device *pdev,
> - struct dfl_feature *feature)
> -{
> - void __iomem *base = feature->ioaddr;
> - int ret;
> -
> - dev_dbg(&pdev->dev, "FME HDR Init.\n");
> - dev_dbg(&pdev->dev, "FME cap %llx.\n",
> - (unsigned long long)readq(base + FME_HDR_CAP));
> -
> - ret = device_add_groups(&pdev->dev, fme_hdr_groups);
> - if (ret)
> - return ret;
> -
> - return 0;
> -}
> -
> -static void fme_hdr_uinit(struct platform_device *pdev,
> - struct dfl_feature *feature)
> -{
> - dev_dbg(&pdev->dev, "FME HDR UInit.\n");
> - device_remove_groups(&pdev->dev, fme_hdr_groups);
> -}
> -
> static long fme_hdr_ioctl_release_port(struct dfl_feature_platform_data *pdata,
> unsigned long arg)
> {
> @@ -199,8 +175,6 @@ static long fme_hdr_ioctl(struct platform_device *pdev,
> };
>
> static const struct dfl_feature_ops fme_hdr_ops = {
> - .init = fme_hdr_init,
> - .uinit = fme_hdr_uinit,
> .ioctl = fme_hdr_ioctl,
> };
>
> @@ -361,7 +335,8 @@ static int fme_remove(struct platform_device *pdev)
>
> static struct platform_driver fme_driver = {
> .driver = {
> - .name = DFL_FPGA_FEATURE_DEV_FME,
> + .name = DFL_FPGA_FEATURE_DEV_FME,
> + .dev_groups = fme_hdr_groups,
> },
> .probe = fme_probe,
> .remove = fme_remove,
> --
> 1.8.3.1
>
Thanks,
Moritz
