From: Dmitry Osipenko digetx@gmail.com
[ Upstream commit a53670e1a734ba56fac84cf2b93b838bd4a6b835 ]
Correctly set clk rate-range if number of available timings is zero. This fixes noisy "invalid range [4294967295, 0]" error messages during boot.
Fixes: 8cee32b40040 ("memory: tegra: Implement EMC debugfs interface on Tegra30") Signed-off-by: Dmitry Osipenko digetx@gmail.com Signed-off-by: Thierry Reding treding@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/memory/tegra/tegra30-emc.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c index e3efd9529506e..b42bdb667e853 100644 --- a/drivers/memory/tegra/tegra30-emc.c +++ b/drivers/memory/tegra/tegra30-emc.c @@ -1256,6 +1256,11 @@ 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) {