Fix mmc card detection

SVN-Revision: 22481

diff --git a/target/linux/xburst/patches-2.6.35/054-mmc.patch b/target/linux/xburst/patches-2.6.35/054-mmc.patch
index 842dcac4bb91c1cabd19891032ad63ea6665d7c2..74ab97308fd93ba54d72a5cc499809da2458ab5b 100644 (file)
--- a/target/linux/xburst/patches-2.6.35/054-mmc.patch
+++ b/target/linux/xburst/patches-2.6.35/054-mmc.patch
@@ -1,4 +1,4 @@
-From 34e75141dfd8edae48030b61741c294fd0f952b1 Mon Sep 17 00:00:00 2001
+From 11bc6d97096ab89da31f628c89b19ff37dfdd526 Mon Sep 17 00:00:00 2001
 From: Lars-Peter Clausen <lars@metafoo.de>
 Date: Thu, 15 Jul 2010 20:06:04 +0000
 Subject: [PATCH] MMC: Add support for the controller on JZ4740 SoCs.
@@ -16,11 +16,14 @@ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
  arch/mips/include/asm/mach-jz4740/jz4740_mmc.h |   15 +
  drivers/mmc/host/Kconfig                       |    9 +
  drivers/mmc/host/Makefile                      |    1 +
- drivers/mmc/host/jz4740_mmc.c                  | 1033 ++++++++++++++++++++++++
- 4 files changed, 1058 insertions(+), 0 deletions(-)
+ drivers/mmc/host/jz4740_mmc.c                  | 1029 ++++++++++++++++++++++++
+ 4 files changed, 1054 insertions(+), 0 deletions(-)
  create mode 100644 arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
  create mode 100644 drivers/mmc/host/jz4740_mmc.c
 
+diff --git a/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h b/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
+new file mode 100644
+index 0000000..8543f43
 --- /dev/null
 +++ b/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
 @@ -0,0 +1,15 @@
@@ -39,9 +42,11 @@ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 +};
 +
 +#endif
+diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
+index f06d06e..d25e22c 100644
 --- a/drivers/mmc/host/Kconfig
 +++ b/drivers/mmc/host/Kconfig
-@@ -457,3 +457,12 @@ config MMC_SH_MMCIF
+@@ -432,3 +432,12 @@ config MMC_SH_MMCIF
          This selects the MMC Host Interface controler (MMCIF).
  
          This driver supports MMCIF in sh7724/sh7757/sh7372.
@@ -54,19 +59,24 @@ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 +        SoCs.
 +        If you have a board based on such a SoC and with a SD/MMC slot,
 +        say Y or M here.
+diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
+index e30c2ee..f4e53c9 100644
 --- a/drivers/mmc/host/Makefile
 +++ b/drivers/mmc/host/Makefile
-@@ -37,6 +37,7 @@ obj-$(CONFIG_MMC_VIA_SDMMC)  += via-sdmmc
- obj-$(CONFIG_GPIOMMC)         += gpiommc.o
+@@ -36,6 +36,7 @@ obj-$(CONFIG_MMC_CB710)      += cb710-mmc.o
+ obj-$(CONFIG_MMC_VIA_SDMMC)   += via-sdmmc.o
  obj-$(CONFIG_SDH_BFIN)                += bfin_sdh.o
  obj-$(CONFIG_MMC_SH_MMCIF)    += sh_mmcif.o
 +obj-$(CONFIG_MMC_JZ4740)      += jz4740_mmc.o
  
  obj-$(CONFIG_MMC_SDHCI_OF)    += sdhci-of.o
  sdhci-of-y                            := sdhci-of-core.o
+diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
+new file mode 100644
+index 0000000..ad4f987
 --- /dev/null
 +++ b/drivers/mmc/host/jz4740_mmc.c
-@@ -0,0 +1,1033 @@
+@@ -0,0 +1,1029 @@
 +/*
 + *  Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
 + *  JZ4740 SD/MMC controller driver
@@ -830,24 +840,20 @@ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 +static int __devinit jz4740_mmc_request_cd_irq(struct platform_device *pdev,
 +      struct jz4740_mmc_host *host)
 +{
-+      int ret;
 +      struct jz4740_mmc_platform_data *pdata = pdev->dev.platform_data;
 +
-+      if (gpio_is_valid(pdata->gpio_card_detect))
++      if (!gpio_is_valid(pdata->gpio_card_detect))
 +              return 0;
 +
 +      host->card_detect_irq = gpio_to_irq(pdata->gpio_card_detect);
-+
 +      if (host->card_detect_irq < 0) {
 +              dev_warn(&pdev->dev, "Failed to get card detect irq\n");
 +              return 0;
 +      }
++
 +      return request_irq(host->card_detect_irq, jz4740_mmc_card_detect_irq,
 +                      IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 +                      "MMC card detect", host);
-+
-+
-+      return ret;
 +}
 +
 +static void jz4740_mmc_free_gpios(struct platform_device *pdev)
@@ -1100,3 +1106,6 @@ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 +MODULE_DESCRIPTION("JZ4740 SD/MMC controller driver");
 +MODULE_LICENSE("GPL");
 +MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+-- 
+1.5.6.5
+