From ab895d6af224a427db4ffb70884588a2449be1c6 Mon Sep 17 00:00:00 2001
From: Alexandre Courbot <acourbot@nvidia.com>
Date: Fri, 30 Sep 2016 17:37:00 +0900
Subject: [PATCH] serial: ns16550: Handle -ENOENT when requesting clock
When calling clk_get_by_index(), fall back to the legacy method of
getting the clock if -ENOENT is returned.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
---
drivers/serial/ns16550.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index 765499dab6..29d547166b 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -408,7 +408,7 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
err = clk_get_rate(&clk);
if (!IS_ERR_VALUE(err))
plat->clock = err;
- } else if (err != -ENODEV && err != -ENOSYS) {
+ } else if (err != -ENOENT && err != -ENODEV && err != -ENOSYS) {
debug("ns16550 failed to get clock\n");
return err;
}
--
2.39.5