diff options
Diffstat (limited to 'target/linux/omap24xx')
| -rw-r--r-- | target/linux/omap24xx/patches-2.6.38/590-cbus-tahvo-usb-fixes.patch | 122 |
1 files changed, 122 insertions, 0 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 new file mode 100644 index 0000000000..963b09c224 --- /dev/null +++ b/target/linux/omap24xx/patches-2.6.38/590-cbus-tahvo-usb-fixes.patch @@ -0,0 +1,122 @@ +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 23:00:16.571473834 +0100 +@@ -98,6 +98,7 @@ struct tahvo_usb { + #ifdef CONFIG_USB_OTG + int tahvo_mode; + #endif ++ struct clk *ick; + }; + static struct platform_device 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)) { ++ 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 +725,22 @@ 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); ++ ++ 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 +750,11 @@ 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); ++ + 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; |