[PATCH v2] accel/amdxdna: Return error when setting clock failed for npu1

[Mario Limonciello]

On 1/9/2025 13:48, Lizhi Hou wrote:
> Due to miss returning error when setting clock, the smatch static
> checker reports warning:
>    drivers/accel/amdxdna/aie2_smu.c:68 npu1_set_dpm()
>    error: uninitialized symbol 'freq'.
> 
> Fixes: f4d7b8a6bc8c ("accel/amdxdna: Enhance power management settings")
> Reported-by: Dan Carpenter <dan.carpenter at linaro.org>
> Closes: https://lore.kernel.org/dri-devel/202267d0-882e-4593-b58d-be9274592f9b@stanley.mountain/
> Signed-off-by: Lizhi Hou <lizhi.hou at amd.com>

Reviewed-by: Mario Limonciello <mario.limonciello at amd.com>

And pushed to drm-misc-next as:

0c2768bf81890 ("accel/amdxdna: Return error when setting clock failed 
for npu1")

> ---
>   drivers/accel/amdxdna/aie2_smu.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/accel/amdxdna/aie2_smu.c b/drivers/accel/amdxdna/aie2_smu.c
> index 73388443c676..d303701b0ded 100644
> --- a/drivers/accel/amdxdna/aie2_smu.c
> +++ b/drivers/accel/amdxdna/aie2_smu.c
> @@ -64,6 +64,7 @@ int npu1_set_dpm(struct amdxdna_dev_hdl *ndev, u32 dpm_level)
>   	if (ret) {
>   		XDNA_ERR(ndev->xdna, "Set npu clock to %d failed, ret %d\n",
>   			 ndev->priv->dpm_clk_tbl[dpm_level].npuclk, ret);
> +		return ret;
>   	}
>   	ndev->npuclk_freq = freq;
>   
> @@ -72,6 +73,7 @@ int npu1_set_dpm(struct amdxdna_dev_hdl *ndev, u32 dpm_level)
>   	if (ret) {
>   		XDNA_ERR(ndev->xdna, "Set h clock to %d failed, ret %d\n",
>   			 ndev->priv->dpm_clk_tbl[dpm_level].hclk, ret);
> +		return ret;
>   	}
>   	ndev->hclk_freq = freq;
>   	ndev->dpm_level = dpm_level;