Check the return value of 'regulator_enable()' to fix the following build error:
drivers/staging/imx-drm/imx-tve.c: In function 'imx_tve_probe':
drivers/staging/imx-drm/imx-tve.c:671:19: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]
Signed-off-by: Fabio Estevam <[email protected]>
---
drivers/staging/imx-drm/imx-tve.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/imx-drm/imx-tve.c b/drivers/staging/imx-drm/imx-tve.c
index a6efa8f6..ce65ad3 100644
--- a/drivers/staging/imx-drm/imx-tve.c
+++ b/drivers/staging/imx-drm/imx-tve.c
@@ -668,7 +668,9 @@ static int imx_tve_probe(struct platform_device *pdev)
tve->dac_reg = devm_regulator_get(&pdev->dev, "dac");
if (!IS_ERR(tve->dac_reg)) {
regulator_set_voltage(tve->dac_reg, 2750000, 2750000);
- regulator_enable(tve->dac_reg);
+ ret = regulator_enable(tve->dac_reg);
+ if (ret)
+ return ret;
}
tve->clk = devm_clk_get(&pdev->dev, "tve");
--
1.8.1.2
Since commit ab78029 (drivers/pinctrl: grab default handles from device core)
we can rely on device core for handling pinctrl, so remove
devm_pinctrl_get_select_default() from the driver.
Signed-off-by: Fabio Estevam <[email protected]>
---
drivers/staging/imx-drm/imx-tve.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/drivers/staging/imx-drm/imx-tve.c b/drivers/staging/imx-drm/imx-tve.c
index ce65ad3..a56797d 100644
--- a/drivers/staging/imx-drm/imx-tve.c
+++ b/drivers/staging/imx-drm/imx-tve.c
@@ -22,7 +22,6 @@
#include <linux/clk-provider.h>
#include <linux/module.h>
#include <linux/of_i2c.h>
-#include <linux/pinctrl/consumer.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/spinlock.h>
@@ -610,15 +609,6 @@ static int imx_tve_probe(struct platform_device *pdev)
}
if (tve->mode == TVE_MODE_VGA) {
- struct pinctrl *pinctrl;
-
- pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
- if (IS_ERR(pinctrl)) {
- ret = PTR_ERR(pinctrl);
- dev_warn(&pdev->dev, "failed to setup pinctrl: %d", ret);
- return ret;
- }
-
ret = of_property_read_u32(np, "fsl,hsync-pin", &tve->hsync_pin);
if (ret < 0) {
dev_err(&pdev->dev, "failed to get vsync pin\n");
--
1.8.1.2
Since commit ab78029 (drivers/pinctrl: grab default handles from device core)
we can rely on device core for handling pinctrl, so remove
devm_pinctrl_get_select_default() from the driver.
Signed-off-by: Fabio Estevam <[email protected]>
---
drivers/staging/imx-drm/parallel-display.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/drivers/staging/imx-drm/parallel-display.c b/drivers/staging/imx-drm/parallel-display.c
index e7fba62..f324ed3 100644
--- a/drivers/staging/imx-drm/parallel-display.c
+++ b/drivers/staging/imx-drm/parallel-display.c
@@ -23,7 +23,6 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_crtc_helper.h>
#include <linux/videodev2.h>
-#include <linux/pinctrl/consumer.h>
#include "imx-drm.h"
@@ -206,20 +205,11 @@ static int imx_pd_probe(struct platform_device *pdev)
struct imx_parallel_display *imxpd;
int ret;
const char *fmt;
- struct pinctrl *pinctrl;
imxpd = devm_kzalloc(&pdev->dev, sizeof(*imxpd), GFP_KERNEL);
if (!imxpd)
return -ENOMEM;
- pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
- if (IS_ERR(pinctrl)) {
- ret = PTR_ERR(pinctrl);
- dev_warn(&pdev->dev, "pinctrl_get_select_default failed with %d",
- ret);
- return ret;
- }
-
edidp = of_get_property(np, "edid", &imxpd->edid_len);
if (edidp)
imxpd->edid = kmemdup(edidp, imxpd->edid_len, GFP_KERNEL);
--
1.8.1.2
On Mon, May 20, 2013 at 10:55:49AM -0300, Fabio Estevam wrote:
> Check the return value of 'regulator_enable()' to fix the following build error:
>
s/error/warning
It may be helpful to mention that the warning shows up since commit
c8801a8 (regulator: core: Mark all get and enable calls as
__must_check).
Other than these,
Acked-by: Shawn Guo <[email protected]>
> drivers/staging/imx-drm/imx-tve.c: In function 'imx_tve_probe':
> drivers/staging/imx-drm/imx-tve.c:671:19: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]
>
> Signed-off-by: Fabio Estevam <[email protected]>
> ---
> drivers/staging/imx-drm/imx-tve.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/imx-drm/imx-tve.c b/drivers/staging/imx-drm/imx-tve.c
> index a6efa8f6..ce65ad3 100644
> --- a/drivers/staging/imx-drm/imx-tve.c
> +++ b/drivers/staging/imx-drm/imx-tve.c
> @@ -668,7 +668,9 @@ static int imx_tve_probe(struct platform_device *pdev)
> tve->dac_reg = devm_regulator_get(&pdev->dev, "dac");
> if (!IS_ERR(tve->dac_reg)) {
> regulator_set_voltage(tve->dac_reg, 2750000, 2750000);
> - regulator_enable(tve->dac_reg);
> + ret = regulator_enable(tve->dac_reg);
> + if (ret)
> + return ret;
> }
>
> tve->clk = devm_clk_get(&pdev->dev, "tve");
> --
> 1.8.1.2
>
>
On Mon, May 20, 2013 at 10:55:50AM -0300, Fabio Estevam wrote:
> Since commit ab78029 (drivers/pinctrl: grab default handles from device core)
> we can rely on device core for handling pinctrl, so remove
> devm_pinctrl_get_select_default() from the driver.
>
> Signed-off-by: Fabio Estevam <[email protected]>
Acked-by: Shawn Guo <[email protected]>
On Mon, May 20, 2013 at 10:55:51AM -0300, Fabio Estevam wrote:
> Since commit ab78029 (drivers/pinctrl: grab default handles from device core)
> we can rely on device core for handling pinctrl, so remove
> devm_pinctrl_get_select_default() from the driver.
>
> Signed-off-by: Fabio Estevam <[email protected]>
Acked-by: Shawn Guo <[email protected]>
On Mon, May 20, 2013 at 10:55:49AM -0300, Fabio Estevam wrote:
> Check the return value of 'regulator_enable()' to fix the following build error:
>
> drivers/staging/imx-drm/imx-tve.c: In function 'imx_tve_probe':
> drivers/staging/imx-drm/imx-tve.c:671:19: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]
>
> Signed-off-by: Fabio Estevam <[email protected]>
All three:
Acked-by: Sascha Hauer <[email protected]>
Sascha
--
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