omap24xx: Split up tahvo usb fixes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25979 3c298f89-4303-0410-b956-a3cf2f4a3e73

5 files changed, 207 insertions, 160 deletions

diff --git a/target/linux/omap24xx/patches-2.6.38/590-cbus-tahvo-usb-fixes.patch b/target/linux/omap24xx/patches-2.6.38/590-cbus-tahvo-usb-fixes.patch
deleted file mode 100644
index 2f0ab6fb2a..0000000000
--- a/target/linux/omap24xx/patches-2.6.38/590-cbus-tahvo-usb-fixes.patch
+++ /dev/null
@@ -1,160 +0,0 @@
-Index: linux-2.6.38-rc7/drivers/cbus/tahvo-usb.c
-===================================================================
---- linux-2.6.38-rc7.orig/drivers/cbus/tahvo-usb.c	2011-03-06 23:00:14.411191087 +0100
-+++ linux-2.6.38-rc7/drivers/cbus/tahvo-usb.c	2011-03-06 23:43:26.524751556 +0100
-@@ -98,8 +98,9 @@ struct tahvo_usb {
- #ifdef CONFIG_USB_OTG
- 	int tahvo_mode;
- #endif
-+	struct clk *ick;
- };
--static struct platform_device tahvo_usb_device;
-+static struct tahvo_usb *tahvo_usb_device;
- 
- /*
-  * ---------------------------------------------------------------------------
-@@ -114,8 +115,7 @@ static struct platform_device *tahvo_otg
- 
- static irqreturn_t omap_otg_irq(int irq, void *arg)
- {
--	struct platform_device *otg_dev = arg;
--	struct tahvo_usb *tu = platform_get_drvdata(otg_dev);
-+	struct tahvo_usb *tu = arg;
- 	u16 otg_irq;
- 
- 	otg_irq = omap_readw(OTG_IRQ_SRC);
-@@ -201,12 +201,12 @@ static int __init omap_otg_probe(struct
- 
- 	return request_irq(tahvo_otg_dev->resource[1].start,
- 			   omap_otg_irq, IRQF_DISABLED, DRIVER_NAME,
--			   &tahvo_usb_device);
-+			   tahvo_usb_device);
- }
- 
- static int __exit omap_otg_remove(struct platform_device *pdev)
- {
--	free_irq(tahvo_otg_dev->resource[1].start, &tahvo_usb_device);
-+	free_irq(tahvo_otg_dev->resource[1].start, tahvo_usb_device);
- 	tahvo_otg_dev = NULL;
- 
- 	return 0;
-@@ -659,6 +659,7 @@ static int __init tahvo_usb_probe(struct
- 	tu = kzalloc(sizeof(*tu), GFP_KERNEL);
- 	if (!tu)
- 		return -ENOMEM;
-+	tahvo_usb_device = tu;
- 
- 	tu->pt_dev = container_of(dev, struct platform_device, dev);
- #ifdef CONFIG_USB_OTG
-@@ -673,6 +674,14 @@ static int __init tahvo_usb_probe(struct
- 	INIT_WORK(&tu->irq_work, tahvo_usb_irq_work);
- 	mutex_init(&tu->serialize);
- 
-+	tu->ick = clk_get(NULL, "usb_l4_ick");
-+	if (IS_ERR(tu->ick)) {
-+		printk(KERN_ERR "Failed to get usb_l4_ick\n");
-+		ret = PTR_ERR(tu->ick);
-+		goto err_free_tu;
-+	}
-+	clk_enable(tu->ick);
-+
- 	/* Set initial state, so that we generate kevents only on
- 	 * state changes */
- 	tu->vbus_state = tahvo_read_reg(TAHVO_REG_IDSR) & 0x01;
-@@ -680,10 +689,9 @@ static int __init tahvo_usb_probe(struct
- 	/* We cannot enable interrupt until omap_udc is initialized */
- 	ret = tahvo_request_irq(TAHVO_INT_VBUSON, tahvo_usb_vbus_interrupt,
- 				(unsigned long) tu, "vbus_interrupt");
--	if (ret != 0) {
--		kfree(tu);
-+	if (ret) {
- 		printk(KERN_ERR "Could not register Tahvo interrupt for VBUS\n");
--		return ret;
-+		goto err_release_clk;
- 	}
- 
- 	/* Attributes */
-@@ -708,9 +716,7 @@ static int __init tahvo_usb_probe(struct
- 	ret = otg_set_transceiver(&tu->otg);
- 	if (ret < 0) {
- 		printk(KERN_ERR "Cannot register USB transceiver\n");
--		kfree(tu);
--		tahvo_free_irq(TAHVO_INT_VBUSON);
--		return ret;
-+		goto err_free_irq;
- 	}
- 
- 	dev_set_drvdata(dev, tu);
-@@ -719,10 +725,23 @@ static int __init tahvo_usb_probe(struct
- 	 * may not be generated in addition to this. */
- 	schedule_work(&tu->irq_work);
- 	return 0;
-+
-+err_free_irq:
-+	tahvo_free_irq(TAHVO_INT_VBUSON);
-+err_release_clk:
-+	clk_disable(tu->ick);
-+	clk_put(tu->ick);
-+err_free_tu:
-+	kfree(tu);
-+	tahvo_usb_device = NULL;
-+
-+	return ret;
- }
- 
- static int __exit tahvo_usb_remove(struct platform_device *pdev)
- {
-+	struct tahvo_usb *tu = platform_get_drvdata(pdev);
-+
- 	dev_dbg(&pdev->dev, "remove\n");
- 
- 	tahvo_free_irq(TAHVO_INT_VBUSON);
-@@ -732,6 +751,12 @@ static int __exit tahvo_usb_remove(struc
- #ifdef CONFIG_USB_OTG
- 	device_remove_file(&pdev->dev, &dev_attr_otg_mode);
- #endif
-+	clk_disable(tu->ick);
-+	clk_put(tu->ick);
-+
-+	kfree(tu);
-+	tahvo_usb_device = NULL;
-+
- 	return 0;
- }
- 
-Index: linux-2.6.38-rc7/arch/arm/mach-omap2/board-n8x0.c
-===================================================================
---- linux-2.6.38-rc7.orig/arch/arm/mach-omap2/board-n8x0.c	2011-03-06 23:00:14.388188076 +0100
-+++ linux-2.6.38-rc7/arch/arm/mach-omap2/board-n8x0.c	2011-03-06 23:06:50.508033149 +0100
-@@ -40,6 +40,7 @@
- #include <plat/serial.h>
- #include <plat/cbus.h>
- #include <plat/gpio-switch.h>
-+#include <plat/usb.h>
- 
- #include "mux.h"
- 
-@@ -395,6 +396,14 @@ static struct musb_hdrc_platform_data tu
- 	.config		= &musb_config,
- };
- 
-+static struct omap_usb_config n8x0_omap_usb_config __initdata = {
-+	.otg		= 1,
-+	.register_host	= 1,
-+	.register_dev	= 1,
-+	.hmc_mode	= 16,
-+	.pins[0]	= 6,
-+};
-+
- static void __init n8x0_usb_init(void)
- {
- 	int ret = 0;
-@@ -417,6 +426,8 @@ static void __init n8x0_usb_init(void)
- 	if (ret != 0)
- 		goto err;
- 
-+	omap2_usbfs_init(&n8x0_omap_usb_config);
-+
- 	printk(announce);
- 
- 	return;
diff --git a/target/linux/omap24xx/patches-2.6.38/590-cbus-tahvo-usb-ptr-fix.patch b/target/linux/omap24xx/patches-2.6.38/590-cbus-tahvo-usb-ptr-fix.patch
new file mode 100644
index 0000000000..3453900b20
--- /dev/null
+++ b/target/linux/omap24xx/patches-2.6.38/590-cbus-tahvo-usb-ptr-fix.patch
@@ -0,0 +1,71 @@
+Index: linux-2.6.38-rc7/drivers/cbus/tahvo-usb.c
+===================================================================
+--- linux-2.6.38-rc7.orig/drivers/cbus/tahvo-usb.c	2011-03-09 18:47:41.147540155 +0100
++++ linux-2.6.38-rc7/drivers/cbus/tahvo-usb.c	2011-03-09 18:50:59.658485748 +0100
+@@ -99,7 +99,7 @@ struct tahvo_usb {
+ 	int tahvo_mode;
+ #endif
+ };
+-static struct platform_device tahvo_usb_device;
++static struct tahvo_usb *tahvo_usb_device;
+ 
+ /*
+  * ---------------------------------------------------------------------------
+@@ -114,8 +114,7 @@ static struct platform_device *tahvo_otg
+ 
+ static irqreturn_t omap_otg_irq(int irq, void *arg)
+ {
+-	struct platform_device *otg_dev = arg;
+-	struct tahvo_usb *tu = platform_get_drvdata(otg_dev);
++	struct tahvo_usb *tu = arg;
+ 	u16 otg_irq;
+ 
+ 	otg_irq = omap_readw(OTG_IRQ_SRC);
+@@ -201,12 +200,12 @@ static int __init omap_otg_probe(struct
+ 
+ 	return request_irq(tahvo_otg_dev->resource[1].start,
+ 			   omap_otg_irq, IRQF_DISABLED, DRIVER_NAME,
+-			   &tahvo_usb_device);
++			   tahvo_usb_device);
+ }
+ 
+ static int __exit omap_otg_remove(struct platform_device *pdev)
+ {
+-	free_irq(tahvo_otg_dev->resource[1].start, &tahvo_usb_device);
++	free_irq(tahvo_otg_dev->resource[1].start, tahvo_usb_device);
+ 	tahvo_otg_dev = NULL;
+ 
+ 	return 0;
+@@ -659,6 +658,7 @@ static int __init tahvo_usb_probe(struct
+ 	tu = kzalloc(sizeof(*tu), GFP_KERNEL);
+ 	if (!tu)
+ 		return -ENOMEM;
++	tahvo_usb_device = tu;
+ 
+ 	tu->pt_dev = container_of(dev, struct platform_device, dev);
+ #ifdef CONFIG_USB_OTG
+@@ -682,6 +682,7 @@ static int __init tahvo_usb_probe(struct
+ 				(unsigned long) tu, "vbus_interrupt");
+ 	if (ret != 0) {
+ 		kfree(tu);
++		tahvo_usb_device = NULL;
+ 		printk(KERN_ERR "Could not register Tahvo interrupt for VBUS\n");
+ 		return ret;
+ 	}
+@@ -708,6 +709,7 @@ static int __init tahvo_usb_probe(struct
+ 	ret = otg_set_transceiver(&tu->otg);
+ 	if (ret < 0) {
+ 		printk(KERN_ERR "Cannot register USB transceiver\n");
++		tahvo_usb_device = NULL;
+ 		kfree(tu);
+ 		tahvo_free_irq(TAHVO_INT_VBUSON);
+ 		return ret;
+@@ -732,6 +734,8 @@ static int __exit tahvo_usb_remove(struc
+ #ifdef CONFIG_USB_OTG
+ 	device_remove_file(&pdev->dev, &dev_attr_otg_mode);
+ #endif
++	tahvo_usb_device = NULL;
++
+ 	return 0;
+ }
+ 
diff --git a/target/linux/omap24xx/patches-2.6.38/595-cbus-tahvo-usb-leak.patch b/target/linux/omap24xx/patches-2.6.38/595-cbus-tahvo-usb-leak.patch
new file mode 100644
index 0000000000..001b912fbc
--- /dev/null
+++ b/target/linux/omap24xx/patches-2.6.38/595-cbus-tahvo-usb-leak.patch
@@ -0,0 +1,22 @@
+Index: linux-2.6.38-rc7/drivers/cbus/tahvo-usb.c
+===================================================================
+--- linux-2.6.38-rc7.orig/drivers/cbus/tahvo-usb.c	2011-03-09 18:51:46.240795227 +0100
++++ linux-2.6.38-rc7/drivers/cbus/tahvo-usb.c	2011-03-09 18:52:34.430126706 +0100
+@@ -725,6 +725,8 @@ static int __init tahvo_usb_probe(struct
+ 
+ static int __exit tahvo_usb_remove(struct platform_device *pdev)
+ {
++	struct tahvo_usb *tu = platform_get_drvdata(pdev);
++
+ 	dev_dbg(&pdev->dev, "remove\n");
+ 
+ 	tahvo_free_irq(TAHVO_INT_VBUSON);
+@@ -734,6 +736,8 @@ static int __exit tahvo_usb_remove(struc
+ #ifdef CONFIG_USB_OTG
+ 	device_remove_file(&pdev->dev, &dev_attr_otg_mode);
+ #endif
++
++	kfree(tu);
+ 	tahvo_usb_device = NULL;
+ 
+ 	return 0;
diff --git a/target/linux/omap24xx/patches-2.6.38/596-cbus-tahvo-usb-clk.patch b/target/linux/omap24xx/patches-2.6.38/596-cbus-tahvo-usb-clk.patch
new file mode 100644
index 0000000000..34279b4280
--- /dev/null
+++ b/target/linux/omap24xx/patches-2.6.38/596-cbus-tahvo-usb-clk.patch
@@ -0,0 +1,78 @@
+Index: linux-2.6.38-rc7/drivers/cbus/tahvo-usb.c
+===================================================================
+--- linux-2.6.38-rc7.orig/drivers/cbus/tahvo-usb.c	2011-03-09 18:55:47.177917578 +0100
++++ linux-2.6.38-rc7/drivers/cbus/tahvo-usb.c	2011-03-09 18:58:35.869996276 +0100
+@@ -98,6 +98,7 @@ struct tahvo_usb {
+ #ifdef CONFIG_USB_OTG
+ 	int tahvo_mode;
+ #endif
++	struct clk *ick;
+ };
+ static struct tahvo_usb *tahvo_usb_device;
+ 
+@@ -673,6 +674,14 @@ static int __init tahvo_usb_probe(struct
+ 	INIT_WORK(&tu->irq_work, tahvo_usb_irq_work);
+ 	mutex_init(&tu->serialize);
+ 
++	tu->ick = clk_get(NULL, "usb_l4_ick");
++	if (IS_ERR(tu->ick)) {
++		dev_err(dev, "Failed to get usb_l4_ick\n");
++		ret = PTR_ERR(tu->ick);
++		goto err_free_tu;
++	}
++	clk_enable(tu->ick);
++
+ 	/* Set initial state, so that we generate kevents only on
+ 	 * state changes */
+ 	tu->vbus_state = tahvo_read_reg(TAHVO_REG_IDSR) & 0x01;
+@@ -681,10 +690,8 @@ static int __init tahvo_usb_probe(struct
+ 	ret = tahvo_request_irq(TAHVO_INT_VBUSON, tahvo_usb_vbus_interrupt,
+ 				(unsigned long) tu, "vbus_interrupt");
+ 	if (ret != 0) {
+-		kfree(tu);
+-		tahvo_usb_device = NULL;
+ 		printk(KERN_ERR "Could not register Tahvo interrupt for VBUS\n");
+-		return ret;
++		goto err_release_clk;
+ 	}
+ 
+ 	/* Attributes */
+@@ -709,10 +716,7 @@ static int __init tahvo_usb_probe(struct
+ 	ret = otg_set_transceiver(&tu->otg);
+ 	if (ret < 0) {
+ 		printk(KERN_ERR "Cannot register USB transceiver\n");
+-		tahvo_usb_device = NULL;
+-		kfree(tu);
+-		tahvo_free_irq(TAHVO_INT_VBUSON);
+-		return ret;
++		goto err_free_irq;
+ 	}
+ 
+ 	dev_set_drvdata(dev, tu);
+@@ -721,6 +725,17 @@ static int __init tahvo_usb_probe(struct
+ 	 * may not be generated in addition to this. */
+ 	schedule_work(&tu->irq_work);
+ 	return 0;
++
++err_free_irq:
++	tahvo_free_irq(TAHVO_INT_VBUSON);
++err_release_clk:
++	clk_disable(tu->ick);
++	clk_put(tu->ick);
++err_free_tu:
++	kfree(tu);
++	tahvo_usb_device = NULL;
++
++	return ret;
+ }
+ 
+ static int __exit tahvo_usb_remove(struct platform_device *pdev)
+@@ -736,6 +751,8 @@ static int __exit tahvo_usb_remove(struc
+ #ifdef CONFIG_USB_OTG
+ 	device_remove_file(&pdev->dev, &dev_attr_otg_mode);
+ #endif
++	clk_disable(tu->ick);
++	clk_put(tu->ick);
+ 
+ 	kfree(tu);
+ 	tahvo_usb_device = NULL;
diff --git a/target/linux/omap24xx/patches-2.6.38/597-cbus-tahvo-usb-platform.patch b/target/linux/omap24xx/patches-2.6.38/597-cbus-tahvo-usb-platform.patch
new file mode 100644
index 0000000000..4c15cc3e8f
--- /dev/null
+++ b/target/linux/omap24xx/patches-2.6.38/597-cbus-tahvo-usb-platform.patch
@@ -0,0 +1,36 @@
+Index: linux-2.6.38-rc7/arch/arm/mach-omap2/board-n8x0.c
+===================================================================
+--- linux-2.6.38-rc7.orig/arch/arm/mach-omap2/board-n8x0.c	2011-03-09 18:47:07.749508720 +0100
++++ linux-2.6.38-rc7/arch/arm/mach-omap2/board-n8x0.c	2011-03-09 18:59:14.355835051 +0100
+@@ -40,6 +40,7 @@
+ #include <plat/serial.h>
+ #include <plat/cbus.h>
+ #include <plat/gpio-switch.h>
++#include <plat/usb.h>
+ 
+ #include "mux.h"
+ 
+@@ -395,6 +396,14 @@ static struct musb_hdrc_platform_data tu
+ 	.config		= &musb_config,
+ };
+ 
++static struct omap_usb_config n8x0_omap_usb_config __initdata = {
++	.otg		= 1,
++	.register_host	= 1,
++	.register_dev	= 1,
++	.hmc_mode	= 16,
++	.pins[0]	= 6,
++};
++
+ static void __init n8x0_usb_init(void)
+ {
+ 	int ret = 0;
+@@ -417,6 +426,8 @@ static void __init n8x0_usb_init(void)
+ 	if (ret != 0)
+ 		goto err;
+ 
++	omap2_usbfs_init(&n8x0_omap_usb_config);
++
+ 	printk(announce);
+ 
+ 	return;