[PATCH 1/3] char: xilinx_hwicap: Fold hwicap_remove() into only caller
Uwe Kleine-König
u.kleine-koenig at pengutronix.de
Mon Jun 5 02:20:45 PDT 2023
hwicap_remove() is only called by hwicap_drv_remove(). Simplify by
unrolling the former into the latter function.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
---
drivers/char/xilinx_hwicap/xilinx_hwicap.c | 40 ++++++++++------------
1 file changed, 18 insertions(+), 22 deletions(-)
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index a46f637da959..c4d75e684be6 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -721,27 +721,6 @@ static struct hwicap_driver_config fifo_icap_config = {
.reset = fifo_icap_reset,
};
-static int hwicap_remove(struct device *dev)
-{
- struct hwicap_drvdata *drvdata;
-
- drvdata = dev_get_drvdata(dev);
-
- if (!drvdata)
- return 0;
-
- device_destroy(icap_class, drvdata->devt);
- cdev_del(&drvdata->cdev);
- iounmap(drvdata->base_address);
- release_mem_region(drvdata->mem_start, drvdata->mem_size);
- kfree(drvdata);
-
- mutex_lock(&icap_sem);
- probed_devices[MINOR(dev->devt)-XHWICAP_MINOR] = 0;
- mutex_unlock(&icap_sem);
- return 0; /* success */
-}
-
#ifdef CONFIG_OF
static int hwicap_of_probe(struct platform_device *op,
const struct hwicap_driver_config *config)
@@ -827,7 +806,24 @@ static int hwicap_drv_probe(struct platform_device *pdev)
static int hwicap_drv_remove(struct platform_device *pdev)
{
- return hwicap_remove(&pdev->dev);
+ struct device *dev = &pdev->dev;
+ struct hwicap_drvdata *drvdata;
+
+ drvdata = dev_get_drvdata(dev);
+ if (!drvdata)
+ return 0;
+
+ device_destroy(icap_class, drvdata->devt);
+ cdev_del(&drvdata->cdev);
+ iounmap(drvdata->base_address);
+ release_mem_region(drvdata->mem_start, drvdata->mem_size);
+ kfree(drvdata);
+
+ mutex_lock(&icap_sem);
+ probed_devices[MINOR(dev->devt)-XHWICAP_MINOR] = 0;
+ mutex_unlock(&icap_sem);
+
+ return 0;
}
#ifdef CONFIG_OF
base-commit: ac9a78681b921877518763ba0e89202254349d1b
--
2.39.2
More information about the linux-arm-kernel
mailing list