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Subject[PATCH 1/2] bus: ti-sysc: Fix getting optional clocks in clock_roles
Date
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: 09dfe5810762 ("bus: ti-sysc: Add handling for clkctrl opt clocks")
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
drivers/bus/ti-sysc.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -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;
}
--
2.19.1
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