Re: [PATCH -next v2] I2C: Fix return value check for devm_pinctrl_get()
From: Nicolas Ferre <nicolas.ferre@microchip.com>
Date: 2023-08-17 16:02:50
Also in:
linux-i2c
On 17/08/2023 at 04:20, Ruan Jinjie wrote:
The devm_pinctrl_get() function returns error pointers and never
returns NULL. Update the checks accordingly.
Fixes: 543aa2c4da8b ("i2c: at91: Move to generic GPIO bus recovery")Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
quoted hunk ↗ jump to hunk
Fixes: fd8961c5ba9e ("i2c: imx: make bus recovery through pinctrl optional") Signed-off-by: Ruan Jinjie <redacted> --- v2: - Remove NULL check instead of using IS_ERR_OR_NULL() to avoid leaving them behind. - Update the commit title and message. --- drivers/i2c/busses/i2c-at91-master.c | 2 +- drivers/i2c/busses/i2c-imx.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)diff --git a/drivers/i2c/busses/i2c-at91-master.c b/drivers/i2c/busses/i2c-at91-master.c index 94cff1cd527e..2bf1df5ef473 100644 --- a/drivers/i2c/busses/i2c-at91-master.c +++ b/drivers/i2c/busses/i2c-at91-master.c@@ -831,7 +831,7 @@ static int at91_init_twi_recovery_gpio(struct platform_device *pdev, struct i2c_bus_recovery_info *rinfo = &dev->rinfo; rinfo->pinctrl = devm_pinctrl_get(&pdev->dev); - if (!rinfo->pinctrl || IS_ERR(rinfo->pinctrl)) { + if (IS_ERR(rinfo->pinctrl)) { dev_info(dev->dev, "can't get pinctrl, bus recovery not supported\n"); return PTR_ERR(rinfo->pinctrl); }diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 10e89586ca72..05d55893f04e 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c@@ -1388,7 +1388,7 @@ static int i2c_imx_init_recovery_info(struct imx_i2c_struct *i2c_imx, struct i2c_bus_recovery_info *rinfo = &i2c_imx->rinfo; i2c_imx->pinctrl = devm_pinctrl_get(&pdev->dev); - if (!i2c_imx->pinctrl || IS_ERR(i2c_imx->pinctrl)) { + if (IS_ERR(i2c_imx->pinctrl)) { dev_info(&pdev->dev, "can't get pinctrl, bus recovery not supported\n"); return PTR_ERR(i2c_imx->pinctrl); } --2.34.1
_______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel