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authorLinus Walleij <linus.walleij@linaro.org>2021-09-21 16:33:59 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2021-10-12 10:21:19 +0200
commit546b73ab019b10e8487cc8784220d32cfa08944b (patch)
treecd3a725343e1743707743261a1fa22da6c128cd1 /drivers/mmc/host
parentc66e21fdc42dcc1c5c559fc4682f3a7f8b4c93f1 (diff)
mmc: mmci: Add small comment about reset thread
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> Link: https://lore.kernel.org/r/20210921143359.1738149-1-linus.walleij@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host')
-rw-r--r--drivers/mmc/host/mmci.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 3765e2f4ad98..c9cacd4d5b22 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);