memory: tegra: Correct debugfs clk rate-range on Tegra20
Correctly set clk rate-range if number of available timings is zero.
This fixes noisy "invalid range [4294967295, 0]" error messages during
boot.
Fixes: 8209eefa3d37 ("memory: tegra: Implement EMC debugfs interface on Tegra20")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
index 8ae474d..b16715e 100644
--- a/drivers/memory/tegra/tegra20-emc.c
+++ b/drivers/memory/tegra/tegra20-emc.c
@@ -628,6 +628,11 @@ static void tegra_emc_debugfs_init(struct tegra_emc *emc)
emc->debugfs.max_rate = emc->timings[i].rate;
}
+ if (!emc->num_timings) {
+ emc->debugfs.min_rate = clk_get_rate(emc->clk);
+ emc->debugfs.max_rate = emc->debugfs.min_rate;
+ }
+
err = clk_set_rate_range(emc->clk, emc->debugfs.min_rate,
emc->debugfs.max_rate);
if (err < 0) {
