diff mbox series

[3/3] mmc: mmci: Add small comment about reset thread

Message ID 20210619225118.1862634-3-linus.walleij@linaro.org
State Superseded
Headers show
Series [1/3] mmc: mmci: De-assert reset on probe | expand

Commit Message

Linus Walleij June 19, 2021, 10:51 p.m. UTC 
Put a small comment before assigning IRQ_WAKE_THREAD
telling us what is going on.

Cc: Russell King <linux@armlinux.org.uk>
Cc: Yann Gautier <yann.gautier@foss.st.com>
Cc: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

---
 drivers/mmc/host/mmci.c | 4 ++++
 1 file changed, 4 insertions(+)

-- 
2.31.1
diff mbox series

Patch

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 97fa5e67ca0c..b646ba7f4e10 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1394,6 +1394,10 @@  mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd,
 	} else if (host->variant->busy_timeout && busy_resp &&
 		   status & MCI_DATATIMEOUT) {
 		cmd->error = -ETIMEDOUT;
+		/*
+		 * This will wake up mmci_irq_thread() which will issue
+		 * a hardware reset of the MMCI block.
+		 */
 		host->irq_action = IRQ_WAKE_THREAD;
 	} else {
 		cmd->resp[0] = readl(base + MMCIRESPONSE0);