From: Nicolas Ferre <nicolas.ferre@atmel.com>
Date: Thu, 9 Sep 2010 17:58:23 +0000 (+0200)
Subject: AT91: clock: peripheral clocks can have other parent than mck
X-Git-Tag: v3.0~3390^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5afddee415c829704d3a91031ae634008bc332e9;p=platform%2Fkernel%2Flinux-amlogic.git

AT91: clock: peripheral clocks can have other parent than mck

While registering clock allow to set parent clock other
than mck. It is useful for clocks than can be seen as
child clock of a peripheral.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
---

diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index 7f7da43..7525cee 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -501,7 +501,8 @@ postcore_initcall(at91_clk_debugfs_init);
 int __init clk_register(struct clk *clk)
 {
 	if (clk_is_peripheral(clk)) {
-		clk->parent = &mck;
+		if (!clk->parent)
+			clk->parent = &mck;
 		clk->mode = pmc_periph_mode;
 		list_add_tail(&clk->node, &clocks);
 	}