Re: [PATCH 1/3] rkisp1: Get rid of unused variable warning

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On 2020-04-01 10:37 pm, Ezequiel Garcia wrote:
If CONFIG_OF is not selected, the compiler will complain:

drivers/staging/media/rkisp1/rkisp1-dev.c: In function ‘rkisp1_probe’:
drivers/staging/media/rkisp1/rkisp1-dev.c:457:22: warning: unused variable ‘node’ [-Wunused-variable]
   457 |  struct device_node *node = pdev->dev.of_node;

Rework the code slightly and make the compiler happy.

Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
---
  drivers/staging/media/rkisp1/rkisp1-dev.c | 3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

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);

FWIW you could clean up "match" too by using of_device_get_match_data().

Robin.

  	rkisp1 = devm_kzalloc(dev, sizeof(*rkisp1), GFP_KERNEL);
  	if (!rkisp1)
  		return -ENOMEM;




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