From 4dc2cceb5a85e8792517ea9b7ba334eaae75a10d Mon Sep 17 00:00:00 2001 From: Keshava Munegowda <keshava_mgowda@ti.com> Date: Mon, 16 Jul 2012 19:01:09 +0530 Subject: [PATCH] mfd: omap-usb-host: Invoke the TLL driver from USB HS core driver The usbhs driver invokes the enable/disable APIs of the usb tll driver in the runtime resume/suspend callbacks of the runtime get sync and put sync of the usbhs driver. Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com> Reviewed-by: Partha Basak <parthab@india.ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> --- arch/arm/plat-omap/include/plat/usb.h | 1 + drivers/mfd/omap-usb-host.c | 7 +++++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h index ca15a2632da3..e68d0998d55f 100644 --- a/arch/arm/plat-omap/include/plat/usb.h +++ b/arch/arm/plat-omap/include/plat/usb.h @@ -4,6 +4,7 @@ #define __ASM_ARCH_OMAP_USB_H #include <linux/io.h> +#include <linux/platform_device.h> #include <linux/usb/musb.h> #include <plat/board.h> diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 41088ecbb2a9..8a256dfe6ddf 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -21,7 +21,6 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/delay.h> -#include <linux/platform_device.h> #include <linux/clk.h> #include <linux/dma-mapping.h> #include <linux/spinlock.h> @@ -436,6 +435,7 @@ static int usbhs_runtime_resume(struct device *dev) return -ENODEV; } + omap_tll_enable(); spin_lock_irqsave(&omap->lock, flags); if (omap->ehci_logic_fck && !IS_ERR(omap->ehci_logic_fck)) @@ -487,6 +487,7 @@ static int usbhs_runtime_suspend(struct device *dev) clk_disable(omap->ehci_logic_fck); spin_unlock_irqrestore(&omap->lock, flags); + omap_tll_disable(); return 0; } @@ -910,8 +911,10 @@ static int __init omap_usbhs_drvinit(void) * init before ehci and ohci drivers; * The usbhs core driver should be initialized much before * the omap ehci and ohci probe functions are called. + * This usbhs core driver should be initialized after + * usb tll driver */ -fs_initcall(omap_usbhs_drvinit); +fs_initcall_sync(omap_usbhs_drvinit); static void __exit omap_usbhs_drvexit(void) {