>From e4bbe21c402e8cdd3a1536db36779f3cae6d47d8 Mon Sep 17 00:00:00 2001
From: Manuel Lauss <mlau@xxxxxxxxxx>
Date: Sat, 17 May 2008 17:58:52 +0200
Subject: [PATCH] au1xmmc: SDIO IRQ support
Wire up the SD controllers' SDIO IRQ capability.
Signed-off-by: Manuel Lauss <mano@xxxxxxxxxxxxxxxxxxxxxxx>
---
drivers/mmc/host/au1xmmc.c | 16 +++++++++++++++-
1 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c
index 2bd4cf4..16b5640 100644
--- a/drivers/mmc/host/au1xmmc.c
+++ b/drivers/mmc/host/au1xmmc.c
@@ -736,6 +736,9 @@ static irqreturn_t au1xmmc_irq(int irq, void *dev_id)
if (!(status & SD_STATUS_I))
return IRQ_NONE; /* not ours */
+ if (status & SD_STATUS_SI) /* SDIO */
+ mmc_signal_sdio_irq(host->mmc);
+
if (host->mrq && (status & STATUS_TIMEOUT)) {
if (status & SD_STATUS_RAT)
host->mrq->cmd->error = -ETIMEDOUT;
@@ -862,10 +865,21 @@ static void au1xmmc_dbdma_shutdown(struct au1xmmc_host *host)
}
#endif
+static void au1xmmc_enable_sdio_irq(struct mmc_host *mmc, int en)
+{
+ struct au1xmmc_host *host = mmc_priv(mmc);
+
+ if (en)
+ IRQ_ON(host, SD_CONFIG_SI);
+ else
+ IRQ_OFF(host, SD_CONFIG_SI);
+}
+
static const struct mmc_host_ops au1xmmc_ops = {
.request = au1xmmc_request,
.set_ios = au1xmmc_set_ios,
.get_ro = au1xmmc_card_readonly,
+ .enable_sdio_irq = au1xmmc_enable_sdio_irq,
};
static void au1xmmc_poll_event(unsigned long arg)
@@ -964,7 +978,7 @@ static int __devinit au1xmmc_probe(struct platform_device *pdev)
mmc->max_blk_count = 512;
mmc->ocr_avail = AU1XMMC_OCR;
- mmc->caps = MMC_CAP_4_BIT_DATA;
+ mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ;
host->status = HOST_S_IDLE;
--
1.5.5.3
