[PATCH] spi: bcmbca-hsspi: disable clocks on resume failure

[Kursad Oney]

On Tue, Aug 4, 2026 at 3:20 AM Can Peng <pengcan at kylinos.cn> wrote:
>
> bcmbca_hsspi_resume() enables the HSSPI clock, and optionally the PLL
> clock, before restarting the SPI controller queue.
>
> If spi_controller_resume() fails, the function currently reports success
> and leaves those clocks enabled. Propagate the error and disable the
> clocks before returning.
>
> Fixes: a38a2233f23b ("spi: bcmbca-hsspi: Add driver for newer HSSPI controller")
> Cc: stable at vger.kernel.org
> Signed-off-by: Can Peng <pengcan at kylinos.cn>
> ---
>  drivers/spi/spi-bcmbca-hsspi.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/spi/spi-bcmbca-hsspi.c b/drivers/spi/spi-bcmbca-hsspi.c
> index af88ce04948b..2aed876e5deb 100644
> --- a/drivers/spi/spi-bcmbca-hsspi.c
> +++ b/drivers/spi/spi-bcmbca-hsspi.c
> @@ -598,7 +598,13 @@ static int bcmbca_hsspi_resume(struct device *dev)
>                 }
>         }
>
> -       spi_controller_resume(host);
> +       ret = spi_controller_resume(host);
> +       if (ret) {
> +               if (bs->pll_clk)
> +                       clk_disable_unprepare(bs->pll_clk);
> +               clk_disable_unprepare(bs->clk);
> +               return ret;
> +       }
>
>         return 0;
>  }
> --
> 2.53.0
>

Reviewed-by: Kursad Oney <kursad.oney at broadcom.com>
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