Re: [PATCH 2/2] mfd: mt6360: Restore error message to regmap_read failure

From: Lee Jones
Date: Fri Jul 16 2021 - 04:03:57 EST


On Tue, 29 Jun 2021, Fei Shao wrote:

> This adds back a missing error message for better log readability.
>
> Fixes: e84702940613 ("mfd: mt6360: Fix flow which is used to check ic
> exist")
>
> Signed-off-by: Fei Shao <fshao@xxxxxxxxxxxx>
> ---
>
> drivers/mfd/mt6360-core.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
> index 6eaa6775b888..0ff8dae4536c 100644
> --- a/drivers/mfd/mt6360-core.c
> +++ b/drivers/mfd/mt6360-core.c
> @@ -351,8 +351,10 @@ static int mt6360_check_vendor_info(struct mt6360_ddata *ddata)
> int ret;
>
> ret = regmap_read(ddata->regmap, MT6360_PMU_DEV_INFO, &info);
> - if (ret < 0)
> + if (ret < 0) {
> + dev_err(ddata->dev, "Failed to read device info from regmap\n");

I'm not fussed about this change either, but if you insist, please
change the commit message to be a little more generic. Users don't
care about Regmaps and developers can grep it in the source.

Suggest: "Failed to fetch device information from H/W"

> return ret;
> + }
>
> if ((info & CHIP_VEN_MASK) != CHIP_VEN_MT6360) {
> dev_err(ddata->dev, "Device not supported\n");

--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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