On 3/22/23 12:07 PM, ye.xingchen@xxxxxxxxxx wrote:
> From: Ye Xingchen <ye.xingchen@xxxxxxxxxx>
>
> Replace the open-code with dev_err_probe() to simplify the code.
>
> Signed-off-by: Ye Xingchen <ye.xingchen@xxxxxxxxxx>
> ---
> drivers/mmc/host/jz4740_mmc.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
> index 698450afa7bb..a6ad03b24add 100644
> --- a/drivers/mmc/host/jz4740_mmc.c
> +++ b/drivers/mmc/host/jz4740_mmc.c
> @@ -232,10 +232,7 @@ static int jz4740_mmc_acquire_dma_channels(struct jz4740_mmc_host *host)
> if (!IS_ERR(host->dma_tx))
> return 0;
>
> - if (PTR_ERR(host->dma_tx) != -ENODEV) {
> - dev_err(dev, "Failed to get dma tx-rx channel\n");
> - return PTR_ERR(host->dma_tx);
> - }
> + return dev_err_probe(dev, PTR_ERR(host->dma_tx), "Failed to get dma tx-rx channel\n");
I'm afraid this makes the following code unreachable...
>
> host->dma_tx = dma_request_chan(mmc_dev(host->mmc), "tx");
> if (IS_ERR(host->dma_tx)) {
MBR, Sergey
