lkml.org 
[lkml]   [2023]   [Jul]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
SubjectRe: [PATCH v2] crypto: atmel: Use dev_err_probe instead of dev_err
Date
On 7/26/23 05:04, Wang Ming wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> It is possible that dma_request_chan will return EPROBE_DEFER,
> which means that dd->dev is not ready yet. In this case,
> dev_err(dd->dev), there will be no output. This patch fixes the bug.
>
> Signed-off-by: Wang Ming <machel@vivo.com>
Reviewed-by: Ryan Wanner <Ryan.Wanner@microchip.com>
> ---
> drivers/crypto/atmel-sha.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
> index 6bef634d3c86..5682957f805d 100644
> --- a/drivers/crypto/atmel-sha.c
> +++ b/drivers/crypto/atmel-sha.c
> @@ -2499,8 +2499,8 @@ static int atmel_sha_dma_init(struct atmel_sha_dev *dd)
> {
> dd->dma_lch_in.chan = dma_request_chan(dd->dev, "tx");
> if (IS_ERR(dd->dma_lch_in.chan)) {
> - dev_err(dd->dev, "DMA channel is not available\n");
> - return PTR_ERR(dd->dma_lch_in.chan);
> + return dev_err_probe(dd->dev, PTR_ERR(dd->dma_lch_in.chan),
> + "DMA channel is not available\n");
> }
>
> dd->dma_lch_in.dma_conf.dst_addr = dd->phys_base +
> --
> 2.25.1
>

\
 
 \ /
  Last update: 2023-07-26 17:56    [W:0.051 / U:0.932 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site