>From 629e40951cb1c4c6ddcdc89a69af85c30f3bea3b Mon Sep 17 00:00:00 2001
From: Manuel Lauss <mlau@xxxxxxxxxx>
Date: Wed, 7 May 2008 15:18:14 +0200
Subject: [PATCH] au1xmmc: wire up SDIO interrupt
The silicon supports SDIO irqs.
Untested since I don't have any SDIO hardware.
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 8ee7640..513937a 100644
--- a/drivers/mmc/host/au1xmmc.c
+++ b/drivers/mmc/host/au1xmmc.c
@@ -848,6 +848,9 @@ static irqreturn_t au1xmmc_irq(int irq, void *dev_id)
else if ((host->flags & HOST_F_RECV) && (status & STATUS_DATA_IN))
au1xmmc_receive_pio(host);
+ } else if (status & 0x80000000) {
+ mmc_signal_sdio_irq(host->mmc);
+
} else if (status & 0x203FBC70) {
DBG("Unhandled status %8.8x\n", host->id, status);
}
@@ -901,10 +904,21 @@ static int au1xmmc_init_dma(struct au1xmmc_host *host)
return 0;
}
+static void au1xmmc_enable_sdio_irq(struct mmc_host *mmc, int en)
+{
+ struct au1xmmc_host *host = mmc_priv(mmc);
+
+ if (en)
+ IRQ_ON(host, (1<<31));
+ else
+ IRQ_OFF(host, (1<<31));
+}
+
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)
@@ -996,7 +1010,7 @@ 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->id = pdev->id;
host->status = HOST_S_IDLE;
--
1.5.5.1
