From: Ludovic Barre <ludovic.barre@xxxxxx> This patch cleans mmci_cmd_irq function for busy detect feature. Signed-off-by: Ludovic Barre <ludovic.barre@xxxxxx> --- drivers/mmc/host/mmci.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 9e9596a..049f8e3 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -1205,12 +1205,13 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd, unsigned int status) { void __iomem *base = host->base; - bool sbc; + bool sbc, busy_resp; if (!cmd) return; sbc = (cmd == host->mrq->sbc); + busy_resp = !!(cmd->flags & MMC_RSP_BUSY); /* * We need to be one of these interrupts to be considered worth @@ -1224,8 +1225,7 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd, /* * ST Micro variant: handle busy detection. */ - if (host->variant->busy_detect) { - bool busy_resp = !!(cmd->flags & MMC_RSP_BUSY); + if (busy_resp && host->variant->busy_detect) { /* We are busy with a command, return */ if (host->busy_status && @@ -1238,7 +1238,7 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd, * that the special busy status bit is still set before * proceeding. */ - if (!host->busy_status && busy_resp && + if (!host->busy_status && !(status & (MCI_CMDCRCFAIL|MCI_CMDTIMEOUT)) && (readl(base + MMCISTATUS) & host->variant->busy_detect_flag)) { -- 2.7.4