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bus: ti-sysc: Fix getting optional clocks in clock_roles 

We can have holes in clock_roles with interface clock missing for
example. Currently getting an optional clock will fail if there are
only a functional clock and an optional clock.

Fixes: 09dfe58107 ("bus: ti-sysc: Add handling for clkctrl opt clocks")
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2018-11-15 14:46:52 -08:00
parent 651022382c
commit 7b4f8ac2f1
1 changed files with 7 additions and 2 deletions
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9
drivers/bus/ti-sysc.c
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@ -214,8 +214,13 @@ static int sysc_get_clocks(struct sysc *ddata)
if (!ddata->clocks)
return -ENOMEM;
for (i = 0; i < ddata->nr_clocks; i++) {
error = sysc_get_one_clock(ddata, ddata->clock_roles[i]);
for (i = 0; i < SYSC_MAX_CLOCKS; i++) {
const char *name = ddata->clock_roles[i];
if (!name)
continue;
error = sysc_get_one_clock(ddata, name);
if (error && error != -ENOENT)
return error;
}