Hi Arnd,
Thank you for the patch.
On Wed, Apr 08, 2020 at 05:52:44PM +0200, Arnd Bergmann wrote:
> When compile-testing with CONFIG_OF disabled, we get a warning
> about an unused variable, and about inconsistent Kconfig dependencies:
>
> WARNING: unmet direct dependencies detected for PHY_ROCKCHIP_DPHY_RX0
> Depends on [n]: STAGING [=y] && STAGING_MEDIA [=y] && MEDIA_SUPPORT [=m] &&
> (ARCH_ROCKCHIP [=n] || COMPILE_TEST [=y]) && OF [=n]
> Selected by [m]:
> - VIDEO_ROCKCHIP_ISP1 [=m] && STAGING [=y] && STAGING_MEDIA [=y] &&
> MEDIA_SUPPORT [=m] && VIDEO_V4L2 [=m] && VIDEO_V4L2_SUBDEV_API [=y] &&
> (ARCH_ROCKCHIP [=n] || COMPILE_TEST [=y])
>
> drivers/staging/media/rkisp1/rkisp1-dev.c: In function 'rkisp1_probe':
> drivers/staging/media/rkisp1/rkisp1-dev.c:457:22: error: unused variable
> 'node' [-Werror=unused-variable]
> 457 | struct device_node *node = pdev->dev.of_node;
>
> Simply open-coding the pointer dereference in the only place
> the variable is used avoids the warning in all configurations,
> so we can allow compile-testing as well.
>
> Fixes: d65dd85281fb ("media: staging: rkisp1: add Rockchip ISP1 base driver")
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> ---
> drivers/staging/media/phy-rockchip-dphy-rx0/Kconfig | 2 +-
> drivers/staging/media/rkisp1/rkisp1-dev.c | 3 +--
> 2 files changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/staging/media/phy-rockchip-dphy-rx0/Kconfig
> b/drivers/staging/media/phy-rockchip-dphy-rx0/Kconfig
> index bd0147624de1..dd5d4d741bdd 100644
> --- a/drivers/staging/media/phy-rockchip-dphy-rx0/Kconfig
> +++ b/drivers/staging/media/phy-rockchip-dphy-rx0/Kconfig
> @@ -2,7 +2,7 @@
>
> config PHY_ROCKCHIP_DPHY_RX0
> tristate "Rockchip MIPI Synopsys DPHY RX0 driver"
> - depends on (ARCH_ROCKCHIP || COMPILE_TEST) && OF
> + depends on (ARCH_ROCKCHIP && OF) || COMPILE_TEST
> select GENERIC_PHY_MIPI_DPHY
> select GENERIC_PHY
> help
> diff --git a/drivers/staging/media/rkisp1/rkisp1-dev.c
> b/drivers/staging/media/rkisp1/rkisp1-dev.c
> index b1b3c058e957..5e7e797aad71 100644
> --- a/drivers/staging/media/rkisp1/rkisp1-dev.c
> +++ b/drivers/staging/media/rkisp1/rkisp1-dev.c
> @@ -454,7 +454,6 @@ static void rkisp1_debug_init(struct rkisp1_device
> *rkisp1)
>
> static int rkisp1_probe(struct platform_device *pdev)
> {
> - struct device_node *node = pdev->dev.of_node;
> const struct rkisp1_match_data *clk_data;
> const struct of_device_id *match;
> struct device *dev = &pdev->dev;
> @@ -463,7 +462,7 @@ static int rkisp1_probe(struct platform_device *pdev)
> unsigned int i;
> int ret, irq;
>
> - match = of_match_node(rkisp1_of_match, node);
> + match = of_match_node(rkisp1_of_match, pdev->dev.of_node);
> rkisp1 = devm_kzalloc(dev, sizeof(*rkisp1), GFP_KERNEL);
> if (!rkisp1)
> return -ENOMEM;
--
Regards,
Laurent Pinchart
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