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cmd: clk: Handle ENODEV from clk_get_rate
clk_get_rate may return -ENODEV if the clock isn't valid.
Also, make the error cases go through a single path.
Fixes: ff8eee0330
("cmd: clk: Add trivial implementation of clock dump
for DM")
Signed-off-by: Ismael Luceno <ismael.luceno@silicon-gears.com>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
This commit is contained in:
parent
4862830b69
commit
80b44fb376
1 changed files with 14 additions and 10 deletions
24
cmd/clk.c
24
cmd/clk.c
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@ -17,6 +17,7 @@ int __weak soc_clk_dump(void)
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struct uclass *uc;
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struct clk clk;
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int ret;
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ulong rate;
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/* Device addresses start at 1 */
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ret = uclass_get(UCLASS_CLK, &uc);
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@ -26,20 +27,23 @@ int __weak soc_clk_dump(void)
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uclass_foreach_dev(dev, uc) {
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memset(&clk, 0, sizeof(clk));
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ret = device_probe(dev);
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if (ret) {
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printf("%-30.30s : ? Hz\n", dev->name);
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continue;
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}
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if (ret)
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goto noclk;
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ret = clk_request(dev, &clk);
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if (ret) {
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printf("%-30.30s : ? Hz\n", dev->name);
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continue;
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}
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printf("%-30.30s : %lu Hz\n", dev->name, clk_get_rate(&clk));
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if (ret)
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goto noclk;
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rate = clk_get_rate(&clk);
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clk_free(&clk);
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if (rate == -ENODEV)
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goto noclk;
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printf("%-30.30s : %lu Hz\n", dev->name, rate);
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continue;
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noclk:
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printf("%-30.30s : ? Hz\n", dev->name);
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}
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return 0;
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