media: imx: imx7_mipi_csis: Turn csi_state irq field into local variable

The irq field of the csi_state structure is only used in
mipi_csis_probe(). Turn it into a local variable.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
index a8e0a5c..89e9a2c 100644 (file)
--- a/drivers/staging/media/imx/imx7-mipi-csis.c
+++ b/drivers/staging/media/imx/imx7-mipi-csis.c
@@ -305,7 +305,6 @@ struct csi_state {
        u8 index;
        struct platform_device *pdev;
        void __iomem *regs;
-       int irq;
        u32 state;
 
        struct dentry *debugfs_root;
@@ -1304,6 +1303,7 @@ static int mipi_csis_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
        struct csi_state *state;
+       int irq;
        int ret;
 
        state = devm_kzalloc(dev, sizeof(*state), GFP_KERNEL);
@@ -1331,9 +1331,9 @@ static int mipi_csis_probe(struct platform_device *pdev)
        if (IS_ERR(state->regs))
                return PTR_ERR(state->regs);
 
-       state->irq = platform_get_irq(pdev, 0);
-       if (state->irq < 0)
-               return state->irq;
+       irq = platform_get_irq(pdev, 0);
+       if (irq < 0)
+               return irq;
 
        ret = mipi_csis_clk_get(state);
        if (ret < 0)
@@ -1345,8 +1345,8 @@ static int mipi_csis_probe(struct platform_device *pdev)
                return ret;
        }
 
-       ret = devm_request_irq(dev, state->irq, mipi_csis_irq_handler,
-                              0, dev_name(dev), state);
+       ret = devm_request_irq(dev, irq, mipi_csis_irq_handler, 0,
+                              dev_name(dev), state);
        if (ret) {
                dev_err(dev, "Interrupt request failed\n");
                goto disable_clock;