It may happen that some UCLASS_CLK clocks drivers work as a "managers",
to call other, proper clocks. This situation is present in the iMX{6|8}
clocks when supporting CONFIG_CLK (and CCF).
To avoid bogus output of "clk dump" we omit clocks which return error
value - allowing reusing default implementation of this command.
Signed-off-by: Lukasz Majewski <lu...@denx.de>
Reviewed-by: Simon Glass <s...@chromium.org>
---
Changes in v3: None
cmd/clk.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/cmd/clk.c b/cmd/clk.c
index fd4231589c..2ea82176aa 100644
--- a/cmd/clk.c
+++ b/cmd/clk.c
@@ -16,6 +16,7 @@ int __weak soc_clk_dump(void)
struct udevice *dev;
struct uclass *uc;
struct clk clk;
+ ulong rate;
int ret;
/* Device addresses start at 1 */
@@ -37,7 +38,9 @@ int __weak soc_clk_dump(void)
continue;
}
- printf("%-30.30s : %lu Hz\n", dev->name, clk_get_rate(&clk));
+ rate = clk_get_rate(&clk);
+ if (!IS_ERR_VALUE(rate))
+ printf("%-30.30s : %lu Hz\n", dev->name, rate);
clk_free(&clk);
}
--
2.11.0
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