[PATCH] blackfin: bf60x: clock: return 0 upon error fromclk_round_rate()

[Paul Walmsley]

clk_round_rate() should return 0 upon an error, rather than returning
a negative error code.  This is because clk_round_rate() is being
changed to return an unsigned return type rather than a signed type,
since some clock sources can generate rates higher than (2^31)-1 Hz.

Signed-off-by: Paul Walmsley <pwalmsley@xxxxxxxxxx>
Cc: Steven Miao <realmz6@xxxxxxxxx>
Cc: Bob Liu <lliubbo@xxxxxxxxx>
Cc: Mike Frysinger <vapier@xxxxxxxxxx>
---
Applies on v3.13-rc1.  See also:

http://marc.info/?l=linux-arm-kernel&m=138542591313620&w=2

 arch/blackfin/mach-bf609/clock.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/blackfin/mach-bf609/clock.c b/arch/blackfin/mach-bf609/clock.c
index dab8849af884..3f5323d3e116 100644
--- a/arch/blackfin/mach-bf609/clock.c
+++ b/arch/blackfin/mach-bf609/clock.c
@@ -131,7 +131,7 @@ EXPORT_SYMBOL(clk_get_rate);

 long clk_round_rate(struct clk *clk, unsigned long rate)
 {
-	long ret = -EIO;
+	long ret = 0;
 	if (clk->ops && clk->ops->round_rate)
 		ret = clk->ops->round_rate(clk, rate);
 	return ret;
--
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