Commit 98093839 authored by Tony Lindgren's avatar Tony Lindgren
Browse files

omap: Enable interface clock for omap2 FS USB 



Looks like this code was only working on boards that had
the usb_l4_ick enabled in the bootloader.

Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent b5e8905b

arch/arm/mach-omap2/usb-fs.c

+11 −0
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ 
#include <linux/errno.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/clk.h>

#include <linux/err.h>



#include <asm/irq.h>
@@ -330,9 +332,16 @@ static u32 __init omap2_usb2_init(unsigned nwires, unsigned alt_pingroup) 


void __init omap2_usbfs_init(struct omap_usb_config *pdata)

{

	struct clk *ick;



	if (!cpu_is_omap24xx())

		return;



	ick = clk_get(NULL, "usb_l4_ick");

	if (IS_ERR(ick))

		return;



	clk_enable(ick);

	pdata->usb0_init = omap2_usb0_init;

	pdata->usb1_init = omap2_usb1_init;

	pdata->usb2_init = omap2_usb2_init;
@@ -340,6 +349,8 @@ void __init omap2_usbfs_init(struct omap_usb_config *pdata) 
	ohci_device_init(pdata);

	otg_device_init(pdata);

	omap_otg_init(pdata);

	clk_disable(ick);

	clk_put(ick);

}



#endif