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authorBen Dooks <ben-linux@fluff.org>2010-01-30 11:46:52 +0300
committerBen Dooks <ben-linux@fluff.org>2010-03-08 01:56:12 +0300
commit2dd5f181420ae8ea1cb976b81ed87517f0d4fcd7 (patch)
treedd34fae6b1095d34e5b7d6c8260ec21680786328 /arch/arm/mach-s3c2443
parent4bed36b2c5b3248ae6f9aaf5194fbe85153e4026 (diff)
downloadlinux-2dd5f181420ae8ea1cb976b81ed87517f0d4fcd7.tar.xz
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 <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s3c2443')
-rw-r--r--arch/arm/mach-s3c2443/clock.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c
index 1307f69abf98..3fa37aa62aab 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,