Re: [PATCH] CLK: TI: DRA7: return error code in failure case

From: Tero Kristo
Date: Mon May 19 2014 - 08:22:40 EST


On 05/19/2014 02:25 PM, Julia Lawall wrote:
From: Julia Lawall <Julia.Lawall@xxxxxxx>

Add a returned error code in the MAX_APLL_WAIT_TRIES case. Remove the
updating of the return variable r to 0 if MAX_APLL_WAIT_TRIES is not yet
reached, because r is already 0 at this point.

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

Acked-by: Tero Kristo <t-kristo@xxxxxx>

Mike, do you want to queue this as a fix or shall I add this to be queued for 3.16?

-Tero


---
diff --git a/drivers/clk/ti/apll.c b/drivers/clk/ti/apll.c
index b986f61..efc71a0 100644
--- a/drivers/clk/ti/apll.c
+++ b/drivers/clk/ti/apll.c
@@ -77,13 +77,11 @@ static int dra7_apll_enable(struct clk_hw *hw)
if (i == MAX_APLL_WAIT_TRIES) {
pr_warn("clock: %s failed transition to '%s'\n",
clk_name, (state) ? "locked" : "bypassed");
- } else {
+ r = -EBUSY;
+ } else
pr_debug("clock: %s transition to '%s' in %d loops\n",
clk_name, (state) ? "locked" : "bypassed", i);

- r = 0;
- }
-
return r;
}


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