Re: [PATCH] spi: micro: fix unreasonable clk_prepare_enable() on error in mchp_corespi_probe()

From: Conor.Dooley
Date: Sat Jun 11 2022 - 03:11:57 EST


On 11/06/2022 03:11, Peng Wu wrote:
> spi: micro: fix unreasonable clk_prepare_enable() on error in mchp_corespi_probe()

^ s/micro/microchip-core ?

>
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> Fix the unreasonable clk_prepare_enable() with clk_disable_unprepare()
> before return from mchp_corespi_probe() in the error handling case.
>
> Signed-off-by: Peng Wu <wupeng58@xxxxxxxxxx>

"unreasonable", very diplomatic way of putting it!

Good spot, thanks.
Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

> ---
> drivers/spi/spi-microchip-core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/spi/spi-microchip-core.c b/drivers/spi/spi-microchip-core.c
> index 5b2aee30fa04..bf6847d95fe3 100644
> --- a/drivers/spi/spi-microchip-core.c
> +++ b/drivers/spi/spi-microchip-core.c
> @@ -580,7 +580,7 @@ static int mchp_corespi_probe(struct platform_device *pdev)
>
> error_release_hardware:
> mchp_corespi_disable(spi);
> - clk_prepare_enable(spi->clk);
> + clk_disable_unprepare(spi->clk);
> error_release_master:
> spi_master_put(master);
>
> --
> 2.17.1
>