redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

omap: clock: Check for enable/disable ops support 

Check if enable/disable operations are supported for a given
clock node before attempting to call them.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
hifive-unleashed-5.1
Rajendra Nayak 2011-02-25 15:48:36 -07:00 committed by Paul Walmsley
parent 4da71ae607
commit 6c52f32dcf
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
arch/arm/mach-omap2/clock.c
View File

@ -261,7 +261,8 @@ void omap2_clk_disable(struct clk *clk)
pr_debug("clock: %s: disabling in hardware\n", clk->name);
clk->ops->disable(clk);
if (clk->ops && clk->ops->disable)
clk->ops->disable(clk);
if (clk->clkdm)
clkdm_clk_disable(clk->clkdm, clk);
@ -312,10 +313,13 @@ int omap2_clk_enable(struct clk *clk)
}
}
ret = clk->ops->enable(clk);
if (ret) {
WARN(1, "clock: %s: could not enable: %d\n", clk->name, ret);
goto oce_err3;
if (clk->ops && clk->ops->enable) {
ret = clk->ops->enable(clk);
if (ret) {
WARN(1, "clock: %s: could not enable: %d\n",
clk->name, ret);
goto oce_err3;
}
}
return 0;