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Subject[PATCH V2 1/2] mmc: mmci_sdmmc: fix clear busyd0end irq flag
Date
The busyd0 line transition can be very fast. The busy request
may be completed by busy_d0end without wait the busy_d0 steps.
The busyd0end irq flag must be cleared even if no busy_status.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
---
drivers/mmc/host/mmci_stm32_sdmmc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/mmci_stm32_sdmmc.c b/drivers/mmc/host/mmci_stm32_sdmmc.c
index f76e82f8f12f..d33e62bd6153 100644
--- a/drivers/mmc/host/mmci_stm32_sdmmc.c
+++ b/drivers/mmc/host/mmci_stm32_sdmmc.c
@@ -358,11 +358,11 @@ static bool sdmmc_busy_complete(struct mmci_host *host, u32 status, u32 err_msk)
if (host->busy_status) {
writel_relaxed(mask & ~host->variant->busy_detect_mask,
base + MMCIMASK0);
- writel_relaxed(host->variant->busy_detect_mask,
- base + MMCICLEAR);
host->busy_status = 0;
}

+ writel_relaxed(host->variant->busy_detect_mask, base + MMCICLEAR);
+
return true;
}

--
2.17.1
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