From: Keshava Munegowda <Keshava_mgowda@xxxxxx>
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@xxxxxx>
Reviewed-by: Partha Basak <parthab@xxxxxxxxxxxx>
---
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 eb1e47d..3b8f139 100644
--- a/arch/arm/plat-omap/include/plat/usb.h
+++ b/arch/arm/plat-omap/include/plat/usb.h
@@ -3,6 +3,7 @@
#ifndef __ASM_ARCH_OMAP_USB_H
#define __ASM_ARCH_OMAP_USB_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 4de87c6..9d84339 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>
@@ -285,6 +284,7 @@ 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))
@@ -330,6 +330,7 @@ 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;
}
@@ -655,8 +656,10 @@ 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)
{
--
1.6.0.4
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