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mmc: mmci: Add small comment about reset thread

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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>
This commit is contained in:
Linus Walleij 2021-09-21 16:33:59 +02:00 committed by Ulf Hansson
parent c66e21fdc4
commit 546b73ab01
1 changed files with 4 additions and 0 deletions
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4
drivers/mmc/host/mmci.c
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@ -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);