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[v2,2/9] mmc: moxart-mmc: Factor out moxart_use_dma() helper

Message ID 20240127-mmc-proper-kmap-v2-2-d8e732aa97d1@linaro.org (mailing list archive)
State New
Headers show
Series mmc: Use proper sg_miter for scatterlists | expand

Commit Message

Linus Walleij Jan. 27, 2024, 12:19 a.m. UTC 
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>
---
 drivers/mmc/host/moxart-mmc.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c
index 5cfdd3a86e54..d12d7d79b19c 100644
--- a/drivers/mmc/host/moxart-mmc.c
+++ b/drivers/mmc/host/moxart-mmc.c
@@ -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);