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authorWentao Liang <vulab@iscas.ac.cn>2025-01-21 16:48:18 +0800
committerAndi Shyti <andi.shyti@kernel.org>2025-03-22 13:11:53 +0100
commit39f8d63804505222dccf265797c2d03de7f2d5b3 (patch)
tree67da26396e8885a462385fd2bb162ca9fde2153f /drivers/i2c/busses
parenta815975cbaeb4ab29f45312ef23be2871b2e8b82 (diff)
i2c: iproc: Refactor prototype and remove redundant error checks
The bcm_iproc_i2c_init() always returns 0. As a result, there is no need to check its return value or handle errors. This patch changes the prototype of bcm_iproc_i2c_init() to return void and removes the redundant error handling code after calls to bcm_iproc_i2c_init() in both the bcm_iproc_i2c_probe() and bcm_iproc_i2c_resume(). Signed-off-by: Wentao Liang <vulab@iscas.ac.cn> Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Acked-by: Ray Jui <ray.jui@broadcom.com> Link: https://lore.kernel.org/r/20250121084818.2719-1-vulab@iscas.ac.cn Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r--drivers/i2c/busses/i2c-bcm-iproc.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c
index 15b632a146e1..332a0fcca28d 100644
--- a/drivers/i2c/busses/i2c-bcm-iproc.c
+++ b/drivers/i2c/busses/i2c-bcm-iproc.c
@@ -678,7 +678,7 @@ static irqreturn_t bcm_iproc_i2c_isr(int irq, void *data)
return IRQ_HANDLED;
}
-static int bcm_iproc_i2c_init(struct bcm_iproc_i2c_dev *iproc_i2c)
+static void bcm_iproc_i2c_init(struct bcm_iproc_i2c_dev *iproc_i2c)
{
u32 val;
@@ -706,8 +706,6 @@ static int bcm_iproc_i2c_init(struct bcm_iproc_i2c_dev *iproc_i2c)
/* clear all pending interrupts */
iproc_i2c_wr_reg(iproc_i2c, IS_OFFSET, 0xffffffff);
-
- return 0;
}
static void bcm_iproc_i2c_enable_disable(struct bcm_iproc_i2c_dev *iproc_i2c,
@@ -1081,9 +1079,7 @@ static int bcm_iproc_i2c_probe(struct platform_device *pdev)
bcm_iproc_algo.unreg_slave = NULL;
}
- ret = bcm_iproc_i2c_init(iproc_i2c);
- if (ret)
- return ret;
+ bcm_iproc_i2c_init(iproc_i2c);
ret = bcm_iproc_i2c_cfg_speed(iproc_i2c);
if (ret)
@@ -1162,16 +1158,13 @@ static int bcm_iproc_i2c_suspend(struct device *dev)
static int bcm_iproc_i2c_resume(struct device *dev)
{
struct bcm_iproc_i2c_dev *iproc_i2c = dev_get_drvdata(dev);
- int ret;
u32 val;
/*
* Power domain could have been shut off completely in system deep
* sleep, so re-initialize the block here
*/
- ret = bcm_iproc_i2c_init(iproc_i2c);
- if (ret)
- return ret;
+ bcm_iproc_i2c_init(iproc_i2c);
/* configure to the desired bus speed */
val = iproc_i2c_rd_reg(iproc_i2c, TIM_CFG_OFFSET);