[PATCH] dma: imx-sdma: clarify about firmware not found error

[Shawn Guo]

On Wed, Nov 12, 2014 at 08:04:29PM -0200, Fabio Estevam wrote:
> From: Sascha Hauer <s.hauer at pengutronix.de>
> 
> When a firmware cannot be found for the SDMA engine then we can
> continue with the internal ROM firmware.
> 
> The meaning of this message is frequently asked for, so make clear
> that the driver still works with the internal ROM firmware and reduce
> the loglevel from err to info.
> 
> Cc: Vinod Koul <vinod.koul at intel.com>
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: Shawn Guo <shawn.guo at linaro.org>

Acked-by: Shawn Guo <shawn.guo at linaro.org>

> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
> ---
>  drivers/dma/imx-sdma.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
> index 99d8833..2c67da5 100644
> --- a/drivers/dma/imx-sdma.c
> +++ b/drivers/dma/imx-sdma.c
> @@ -1287,7 +1287,8 @@ static void sdma_load_firmware(const struct firmware *fw, void *context)
>  	unsigned short *ram_code;
>  
>  	if (!fw) {
> -		dev_err(sdma->dev, "firmware not found\n");
> +		dev_info(sdma->dev, "external firmware not found, using ROM firmware\n");
> +		/* In this case we just use the ROM firmware. */
>  		return;
>  	}
>  
> -- 
> 1.9.1
>