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Subject[PATCH 6/7] au1xmmc: wire up SDIO interrupt
From 53260bd4727f9d809c23578e7cbf0d1df47bc236 Mon Sep 17 00:00:00 2001
From: Manuel Lauss <mlau@msc-ge.com>
Date: Wed, 7 May 2008 15:18:14 +0200
Subject: [PATCH] au1xmmc: wire up SDIO interrupt


Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
---
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 d9e334f..8b60509 100644
--- a/drivers/mmc/host/au1xmmc.c
+++ b/drivers/mmc/host/au1xmmc.c
@@ -817,6 +817,9 @@ static irqreturn_t au1xmmc_irq(int irq, void *dev_id)
if (!(status & (1 << 15)))
return IRQ_NONE; /* not ours */

+ if (status & 0x80000000) /* SDIO */
+ mmc_signal_sdio_irq(host->mmc);
+
if (host->mrq && (status & STATUS_TIMEOUT)) {
if (status & SD_STATUS_RAT)
host->mrq->cmd->error = -ETIMEDOUT;
@@ -903,10 +906,21 @@ 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)
@@ -998,7 +1012,7 @@ 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


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