From 83961aacb2219311e4af5dda34bcc15435becd50 Mon Sep 17 00:00:00 2001 From: Wan Jiabing Date: Wed, 27 Apr 2022 20:03:09 +0800 Subject: [PATCH] mmc: atmel-mci: Simplify if(chan) and if(!chan) Use if(!host->dma.chan) instead of if(chan) and if(!chan) to make code better. Signed-off-by: Wan Jiabing Link: https://lore.kernel.org/r/20220427120310.838843-1-wanjiabing@vivo.com Signed-off-by: Ulf Hansson --- 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 807177c953f3d..91d52ba7a39fc 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, -- 2.30.2