Re: Applied "ASoC: samsung: s3c2412: Handle return value of clk_prepare_enable." to the asoc tree

From: Krzysztof Kozlowski
Date: Wed Jul 26 2017 - 11:47:00 EST


On Wed, Jul 26, 2017 at 03:17:12PM +0100, Mark Brown wrote:
> The patch
>
> ASoC: samsung: s3c2412: Handle return value of clk_prepare_enable.
>
> has been applied to the asoc tree at
>
> git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
>
> All being well this means that it will be integrated into the linux-next
> tree (usually sometime in the next 24 hours) and sent to Linus during
> the next merge window (or sooner if it is a bug fix), however if
> problems are discovered then the patch may be dropped or reverted.
>
> You may get further e-mails resulting from automated or manual testing
> and review of the tree, please engage with people reporting problems and
> send followup patches addressing any issues that are reported if needed.
>
> If any updates are required or you are submitting further changes they
> should be sent as incremental updates against current git, existing
> patches will not be replaced.
>
> Please add any relevant lists and maintainers to the CCs when replying
> to this mail.
>
> Thanks,
> Mark
>
> From d2d2c0a0f0e230e9650e778d0d5c7ed6d1bcffb0 Mon Sep 17 00:00:00 2001
> From: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
> Date: Tue, 25 Jul 2017 15:44:28 +0530
> Subject: [PATCH] ASoC: samsung: s3c2412: Handle return value of
> clk_prepare_enable.
>
> clk_prepare_enable() can fail here and we must check its return value.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
> ---
> sound/soc/samsung/s3c2412-i2s.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c
> index 0a4718207e6e..bcd1cbdeac93 100644
> --- a/sound/soc/samsung/s3c2412-i2s.c
> +++ b/sound/soc/samsung/s3c2412-i2s.c
> @@ -71,7 +71,9 @@ static int s3c2412_i2s_probe(struct snd_soc_dai *dai)
> /* Set MPLL as the source for IIS CLK */
>
> clk_set_parent(s3c2412_i2s.iis_cclk, clk_get(NULL, "mpll"));
> - clk_prepare_enable(s3c2412_i2s.iis_cclk);
> + ret = clk_prepare_enable(s3c2412_i2s.iis_cclk);
> + if (ret)
> + return ret;

Mark, this is the patch still discussed. It does not handle the error
correctly. I think it should be dropped.

Best regards,
Krzysztof