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Date: Mon, 24 Jan 2022 19:41:10 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Mikhail Rudenko <mike.rudenko@...il.com>, Ezequiel Garcia <ezequiel@...guardiasur.com.ar>, Kieran Bingham <kieran.bingham+renesas@...asonboard.com>, Mauro Carvalho Chehab <mchehab+huawei@...nel.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.15 553/846] media: rockchip: rkisp1: use device name for debugfs subdir name From: Mikhail Rudenko <mike.rudenko@...il.com> [ Upstream commit c2611e479f5d9b05108270e1ab423955486b4457 ] 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. Link: https://lore.kernel.org/linux-media/20211010175457.438627-1-mike.rudenko@gmail.com Signed-off-by: Mikhail Rudenko <mike.rudenko@...il.com> Reviewed-by: Ezequiel Garcia <ezequiel@...guardiasur.com.ar> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- 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 7474150b94ed3..560f928c37520 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, -- 2.34.1
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