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Commit 812513c7 authored by Ludovic Barre's avatar Ludovic Barre Committed by Ulf Hansson
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mmc: mmci: Cleanup mmci_cmd_irq() for busy detect 



Let's cleanup the mmci_cmd_irq() a bit, to make the busy detect code more
clear.

Signed-off-by: default avatarLudovic Barre <ludovic.barre@st.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 7a019f9b

drivers/mmc/host/mmci.c

+4 −4
Original line number Diff line number Diff line
@@ -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)) {