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SubjectRe: [PATCH] media: rockchip: rkisp1: use device name for debugfs subdir name
On Sun, Oct 10, 2021 at 08:54:57PM +0300, Mikhail Rudenko wrote:
> While testing Rockchip RK3399 with both ISPs enabled, a dmesg error
> was observed:
> ```
> [ 15.559141] debugfs: Directory 'rkisp1' with parent '/' already present!
> ```
>
> Fix it by using the device name for the debugfs subdirectory name
> instead of the driver name, thus preventing name collision.
>
> Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>

Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>

Thanks!

> ---
> drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> index 7474150b94ed..560f928c3752 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> @@ -426,7 +426,7 @@ static void rkisp1_debug_init(struct rkisp1_device *rkisp1)
> {
> struct rkisp1_debug *debug = &rkisp1->debug;
>
> - debug->debugfs_dir = debugfs_create_dir(RKISP1_DRIVER_NAME, NULL);
> + debug->debugfs_dir = debugfs_create_dir(dev_name(rkisp1->dev), NULL);
> debugfs_create_ulong("data_loss", 0444, debug->debugfs_dir,
> &debug->data_loss);
> debugfs_create_ulong("outform_size_err", 0444, debug->debugfs_dir,
> --
> 2.33.0
>

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