From 2dd5f181420ae8ea1cb976b81ed87517f0d4fcd7 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Sat, 30 Jan 2010 10:46:52 +0200 Subject: ARM: S3C2443: Update notes on MPLLREF clock Add note on MPLLREF clock source and why it cannot be easily removed. Signed-off-by: Ben Dooks --- arch/arm/mach-s3c2443/clock.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c index 1307f69abf9..3fa37aa62aa 100644 --- a/arch/arm/mach-s3c2443/clock.c +++ b/arch/arm/mach-s3c2443/clock.c @@ -83,10 +83,12 @@ static int s3c2443_clkcon_enable_s(struct clk *clk, int enable) return s3c2443_gate(S3C2443_SCLKCON, clk, enable); } -/* s3c2443_roundate_clksrc is close enough to s3c_roundate_clksrc */ - /* clock selections */ +/* mpllref is a direct descendant of clk_xtal by default, but it is not + * elided as the EPLL can be either sourced by the XTAL or EXTCLK and as + * such directly equating the two source clocks is impossible. + */ static struct clk clk_mpllref = { .name = "mpllref", .parent = &clk_xtal, -- cgit v1.2.3-70-g09d2