Re: [PATCH] mmc: atmel-mci: Simplify if(chan) and if(!chan)

From: Ulf Hansson
Date: Wed May 04 2022 - 06:38:16 EST


On Wed, 27 Apr 2022 at 14:03, Wan Jiabing <wanjiabing@xxxxxxxx> wrote:
>
> Use if(!host->dma.chan) instead of if(chan) and if(!chan) to make
> code better.
>
> Signed-off-by: Wan Jiabing <wanjiabing@xxxxxxxx>

Applied for next, thanks!

Kind regards
Uffe


> ---
> drivers/mmc/host/atmel-mci.c | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
> index 807177c953f3..91d52ba7a39f 100644
> --- a/drivers/mmc/host/atmel-mci.c
> +++ b/drivers/mmc/host/atmel-mci.c
> @@ -1122,13 +1122,12 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
> }
>
> /* If we don't have a channel, we can't do DMA */
> - chan = host->dma.chan;
> - if (chan)
> - host->data_chan = chan;
> -
> - if (!chan)
> + if (!host->dma.chan)
> return -ENODEV;
>
> + chan = host->dma.chan;
> + host->data_chan = chan;
> +
> if (data->flags & MMC_DATA_READ) {
> host->dma_conf.direction = slave_dirn = DMA_DEV_TO_MEM;
> maxburst = atmci_convert_chksize(host,
> --
> 2.35.3
>