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memory: tegra: Changes for v5.7-rc1

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These patches contain fixes for EMC scaling debugfs support on Tegra20,
 Tegra30 and Tegra124.
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Merge tag 'tegra-for-5.7-memory' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers

memory: tegra: Changes for v5.7-rc1

These patches contain fixes for EMC scaling debugfs support on Tegra20,
Tegra30 and Tegra124.

* tag 'tegra-for-5.7-memory' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  memory: tegra: Correct debugfs clk rate-range on Tegra124
  memory: tegra: Correct debugfs clk rate-range on Tegra30
  memory: tegra: Correct debugfs clk rate-range on Tegra20

Link: https://lore.kernel.org/r/20200313165848.2915133-4-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2020-03-26 10:54:51 +01:00
commit 575c809a2d
3 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/memory/tegra/tegra124-emc.c
View File

@ -1158,6 +1158,11 @@ static void emc_debugfs_init(struct device *dev, 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) {

5
drivers/memory/tegra/tegra20-emc.c
View File

@ -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) {

5
drivers/memory/tegra/tegra30-emc.c
View File

@ -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) {