Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-27 06:31:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

mmc: moxart-mmc: Factor out moxart_use_dma() helper

Browse Source 
The same code is in two places and we will add a third place.
Break this out into its own function.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240127-mmc-proper-kmap-v2-2-d8e732aa97d1@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Linus Walleij 2024-01-27 01:19:49 +01:00 committed by Ulf Hansson
parent ed01d210fd
commit bc169ad243
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/mmc/host/moxart-mmc.c
View File

@ -254,6 +254,11 @@ static void moxart_dma_complete(void *param)
complete(&host->dma_complete);
}
static bool moxart_use_dma(struct moxart_host *host)
{
return (host->data_len > host->fifo_width) && host->have_dma;
}
static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host)
{
u32 len, dir_slave;
@ -375,7 +380,7 @@ static void moxart_prepare_data(struct moxart_host *host)
if (data->flags & MMC_DATA_WRITE)
datactrl |= DCR_DATA_WRITE;
if ((host->data_len > host->fifo_width) && host->have_dma)
if (moxart_use_dma(host))
datactrl |= DCR_DMA_EN;
writel(DCR_DATA_FIFO_RESET, host->base + REG_DATA_CONTROL);
@ -407,7 +412,7 @@ static void moxart_request(struct mmc_host *mmc, struct mmc_request *mrq)
moxart_send_command(host, host->mrq->cmd);
if (mrq->cmd->data) {
if ((host->data_len > host->fifo_width) && host->have_dma) {
if (moxart_use_dma(host)) {
writel(CARD_CHANGE, host->base + REG_INTERRUPT_MASK);