Add note on MPLLREF clock source and why it cannot be easily removed.
Signed-off-by: Ben Dooks <ben-linux@xxxxxxxxx>
---
arch/arm/mach-s3c2443/clock.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c
index 1307f69..3fa37aa 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,
--
1.6.3.3
--
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