[PATCH 7/8] media: rzg2l-cru: rzg2l-core: Use temporary variable for struct device in rzg2l_cru_probe()

Tommaso Merciai
2025-02-10T11:46:40Z

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Use a temporary variable for the struct device pointers to avoid
dereferencing.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
---
.../platform/renesas/rzg2l-cru/rzg2l-core.c | 29 ++++++++++---------
1 file changed, 15 insertions(+), 14 deletions(-)

diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c
index 89be584a4988..70fed0ce45ea 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c
@@ -240,10 +240,11 @@ static int rzg2l_cru_media_init(struct rzg2l_cru_dev *cru)

static int rzg2l_cru_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct rzg2l_cru_dev *cru;
int irq, ret;

- cru = devm_kzalloc(&pdev->dev, sizeof(*cru), GFP_KERNEL);
+ cru = devm_kzalloc(dev, sizeof(*cru), GFP_KERNEL);
if (!cru)
return -ENOMEM;

@@ -251,32 +252,32 @@ static int rzg2l_cru_probe(struct platform_device *pdev)
if (IS_ERR(cru->base))
return PTR_ERR(cru->base);

- cru->presetn = devm_reset_control_get_shared(&pdev->dev, "presetn");
+ cru->presetn = devm_reset_control_get_shared(dev, "presetn");
if (IS_ERR(cru->presetn))
- return dev_err_probe(&pdev->dev, PTR_ERR(cru->presetn),
+ return dev_err_probe(dev, PTR_ERR(cru->presetn),
"Failed to get cpg presetn\n");

- cru->aresetn = devm_reset_control_get_exclusive(&pdev->dev, "aresetn");
+ cru->aresetn = devm_reset_control_get_exclusive(dev, "aresetn");
if (IS_ERR(cru->aresetn))
- return dev_err_probe(&pdev->dev, PTR_ERR(cru->aresetn),
+ return dev_err_probe(dev, PTR_ERR(cru->aresetn),
"Failed to get cpg aresetn\n");

- cru->vclk = devm_clk_get(&pdev->dev, "video");
+ cru->vclk = devm_clk_get(dev, "video");
if (IS_ERR(cru->vclk))
- return dev_err_probe(&pdev->dev, PTR_ERR(cru->vclk),
+ return dev_err_probe(dev, PTR_ERR(cru->vclk),
"Failed to get video clock\n");

- cru->dev = &pdev->dev;
- cru->info = of_device_get_match_data(&pdev->dev);
+ cru->dev = dev;
+ cru->info = of_device_get_match_data(dev);

irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;

- ret = devm_request_irq(&pdev->dev, irq, rzg2l_cru_irq, 0,
+ ret = devm_request_irq(dev, irq, rzg2l_cru_irq, 0,
KBUILD_MODNAME, cru);
if (ret)
- return dev_err_probe(&pdev->dev, ret, "failed to request irq\n");
+ return dev_err_probe(dev, ret, "failed to request irq\n");

platform_set_drvdata(pdev, cru);

@@ -285,8 +286,8 @@ static int rzg2l_cru_probe(struct platform_device *pdev)
return ret;

cru->num_buf = RZG2L_CRU_HW_BUFFER_DEFAULT;
- pm_suspend_ignore_children(&pdev->dev, true);
- pm_runtime_enable(&pdev->dev);
+ pm_suspend_ignore_children(dev, true);
+ pm_runtime_enable(dev);

ret = rzg2l_cru_media_init(cru);
if (ret)
@@ -296,7 +297,7 @@ static int rzg2l_cru_probe(struct platform_device *pdev)

error_dma_unregister:
rzg2l_cru_dma_unregister(cru);
- pm_runtime_disable(&pdev->dev);
+ pm_runtime_disable(dev);

return ret;
}
--
2.34.1