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authorLars-Peter Clausen <lars@metafoo.de>2010-08-04 13:26:22 +0000
committerLars-Peter Clausen <lars@metafoo.de>2010-08-04 13:26:22 +0000
commit5b8cbd5d5ae7a435ae22d1d8eea559523fe8926d (patch)
tree28a02604005037b3777e2fd813084690b726ecf4 /target/linux/xburst
parent20417d6663c6918fc49cc59126cad7a01107f42f (diff)
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Fix mmc card detection
SVN-Revision: 22481
Diffstat (limited to 'target/linux/xburst')
-rw-r--r--target/linux/xburst/patches-2.6.35/054-mmc.patch35
1 files changed, 22 insertions, 13 deletions
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 842dcac..74ab973 100644
--- 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
+