Commit 92ab0a50 authored May 15, 2009 by Alberto Panizzo Committed by Sascha Hauer May 16, 2009

ARM MXC: Make-sure-ipg_per_clk-is-generated-by-ipg_clk-and-not-usb_pll



From ff1fd9d7015d9b9ad3e0df2016d0415e2719747c Mon Sep 17 00:00:00 2001
From: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Date: Fri, 15 May 2009 17:21:21 +0200
Subject: [PATCH] Make sure ipg_per_clk is generated by ipg_clk and not usb_pll

Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

parent 183c7fff

arch/arm/mach-mx3/clock.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -579,6 +579,12 @@ int __init mx31_clocks_init(unsigned long fref)
		MX32, but still required to be set */
		MXC_CCM_CGR2);

		/*
		* Before turning off usb_pll make sure ipg_per_clk is generated
		* by ipg_clk and not usb_pll.
		*/
		__raw_writel(__raw_readl(MXC_CCM_CCMR) \| (1 << 24), MXC_CCM_CCMR);

		usb_pll_disable(&usb_pll_clk);

		pr_info("Clock input source is %ld\n", clk_get_rate(&ckih_clk));