2020-08-11 03:12:44

by Anson Huang

Subject: [PATCH] soc: imx: gpcv2: Use dev_err_probe() to simplify error handling

dev_err_probe() can reduce code size, uniform error handling and record the
defer probe reason etc., use it to simplify the code.

Signed-off-by: Anson Huang <[email protected]>
---
drivers/soc/imx/gpcv2.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
index 6cf8a7a..db7e7fc 100644
--- a/drivers/soc/imx/gpcv2.c
+++ b/drivers/soc/imx/gpcv2.c
@@ -487,22 +487,17 @@ static int imx_pgc_domain_probe(struct platform_device *pdev)

domain->regulator = devm_regulator_get_optional(domain->dev, "power");
if (IS_ERR(domain->regulator)) {
- if (PTR_ERR(domain->regulator) != -ENODEV) {
- if (PTR_ERR(domain->regulator) != -EPROBE_DEFER)
- dev_err(domain->dev, "Failed to get domain's regulator\n");
- return PTR_ERR(domain->regulator);
- }
+ if (PTR_ERR(domain->regulator) != -ENODEV)
+ return dev_err_probe(domain->dev, PTR_ERR(domain->regulator),
+ "Failed to get domain's regulator\n");
} else if (domain->voltage) {
regulator_set_voltage(domain->regulator,
domain->voltage, domain->voltage);
}

ret = imx_pgc_get_clocks(domain);
- if (ret) {
- if (ret != -EPROBE_DEFER)
- dev_err(domain->dev, "Failed to get domain's clocks\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(domain->dev, ret, "Failed to get domain's clocks\n");

ret = pm_genpd_init(&domain->genpd, NULL, true);
if (ret) {
--
2.7.4

2020-08-11 07:04:17

by Guido Günther

Subject: Re: [PATCH] soc: imx: gpcv2: Use dev_err_probe() to simplify error handling

Hi,
On Tue, Aug 11, 2020 at 11:04:42AM +0800, Anson Huang wrote:
> dev_err_probe() can reduce code size, uniform error handling and record the
> defer probe reason etc., use it to simplify the code.
>
> Signed-off-by: Anson Huang <[email protected]>
> ---
> drivers/soc/imx/gpcv2.c | 15 +++++----------
> 1 file changed, 5 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
> index 6cf8a7a..db7e7fc 100644
> --- a/drivers/soc/imx/gpcv2.c
> +++ b/drivers/soc/imx/gpcv2.c
> @@ -487,22 +487,17 @@ static int imx_pgc_domain_probe(struct platform_device *pdev)
>
> domain->regulator = devm_regulator_get_optional(domain->dev, "power");
> if (IS_ERR(domain->regulator)) {
> - if (PTR_ERR(domain->regulator) != -ENODEV) {
> - if (PTR_ERR(domain->regulator) != -EPROBE_DEFER)
> - dev_err(domain->dev, "Failed to get domain's regulator\n");
> - return PTR_ERR(domain->regulator);
> - }
> + if (PTR_ERR(domain->regulator) != -ENODEV)
> + return dev_err_probe(domain->dev, PTR_ERR(domain->regulator),
> + "Failed to get domain's regulator\n");
> } else if (domain->voltage) {
> regulator_set_voltage(domain->regulator,
> domain->voltage, domain->voltage);
> }
>
> ret = imx_pgc_get_clocks(domain);
> - if (ret) {
> - if (ret != -EPROBE_DEFER)
> - dev_err(domain->dev, "Failed to get domain's clocks\n");
> - return ret;
> - }
> + if (ret)
> + return dev_err_probe(domain->dev, ret, "Failed to get domain's clocks\n");
>
> ret = pm_genpd_init(&domain->genpd, NULL, true);
> if (ret) {

Reviewed-by: Guido G?nther <[email protected]>
-- Guido

> --
> 2.7.4
>

2020-08-22 13:11:08

by Shawn Guo

Subject: Re: [PATCH] soc: imx: gpcv2: Use dev_err_probe() to simplify error handling

On Tue, Aug 11, 2020 at 11:04:42AM +0800, Anson Huang wrote:
> dev_err_probe() can reduce code size, uniform error handling and record the
> defer probe reason etc., use it to simplify the code.
>
> Signed-off-by: Anson Huang <[email protected]>

Applied, thanks.