diff mbox series

[v9,3/5] mmc: host: sdhci: Add request_done ops for struct sdhci_ops

Message ID 1539c801c8bbdbcd1d86f8c2dab375f5803c765a.1581478568.git.baolin.wang7@gmail.com (mailing list archive)
State New, archived
Headers show
Series Add MMC software queue support | expand

Commit Message

Baolin Wang Feb. 12, 2020, 4:12 a.m. UTC 
From: Baolin Wang <baolin.wang@linaro.org>

Add request_done ops for struct sdhci_ops as a preparation in case some
host controllers have different method to complete one request, such as
supporting request completion of MMC software queue.

Suggested-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
---
 drivers/mmc/host/sdhci.c |   12 ++++++++++--
 drivers/mmc/host/sdhci.h |    2 ++
 2 files changed, 12 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 63db844..9761981 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2944,7 +2944,10 @@  static bool sdhci_request_done(struct sdhci_host *host)
 
 	spin_unlock_irqrestore(&host->lock, flags);
 
-	mmc_request_done(host->mmc, mrq);
+	if (host->ops->request_done)
+		host->ops->request_done(host, mrq);
+	else
+		mmc_request_done(host->mmc, mrq);
 
 	return false;
 }
@@ -3372,7 +3375,12 @@  static irqreturn_t sdhci_irq(int irq, void *dev_id)
 
 	/* Process mrqs ready for immediate completion */
 	for (i = 0; i < SDHCI_MAX_MRQS; i++) {
-		if (mrqs_done[i])
+		if (!mrqs_done[i])
+			continue;
+
+		if (host->ops->request_done)
+			host->ops->request_done(host, mrqs_done[i]);
+		else
 			mmc_request_done(host->mmc, mrqs_done[i]);
 	}
 
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index a6a3ddc..3e95f74 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -654,6 +654,8 @@  struct sdhci_ops {
 	void	(*voltage_switch)(struct sdhci_host *host);
 	void	(*adma_write_desc)(struct sdhci_host *host, void **desc,
 				   dma_addr_t addr, int len, unsigned int cmd);
+	void	(*request_done)(struct sdhci_host *host,
+				struct mmc_request *mrq);
 };
 
 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS