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openwrt-xburst/target/linux/coldfire/patches/102-kernel-2.6.38-Fix-SD-MMC-SDIO-over-SPI-driver-bug-when-reinserting.patch

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From 78f4df7dfe913c68b8329dd84a24325b8f34217b Mon Sep 17 00:00:00 2001
From: Wang Huan <wanghuan@zch06.freescale.net>
Date: Mon, 8 Aug 2011 09:14:45 +0800
Subject: [PATCH] Fix SD/MMC/SDIO over SPI driver bug when reinserting as module
Signed-off-by: Alison Wang <b18965@freescale.com>
---
arch/m68k/coldfire/m5445x/devices.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
--- a/arch/m68k/coldfire/m5445x/devices.c
+++ b/arch/m68k/coldfire/m5445x/devices.c
@@ -136,6 +136,13 @@ int mmc_spi_init(struct device *mmc_spi_
return 0;
}
+void mmc_spi_exit(struct device *mmc_spi_device, void *irq_privatedata)
+{
+#if defined(CONFIG_M54451_SD_HW_DETECT)
+ free_irq(64 + 7, irq_privatedata);
+#endif
+}
+
static struct coldfire_dspi_chip dspi_sd_chip_info = {
.mode = SPI_MODE_0,
.bits_per_word = 8,
@@ -154,6 +161,7 @@ static struct coldfire_dspi_chip dspi_sd
static struct mmc_spi_platform_data mcf54451_mmc_pdata = {
.ocr_mask = MMC_VDD_33_34,
.init = mmc_spi_init,
+ .exit = mmc_spi_exit,
};
#endif