[PATCH v10 06/15] memory: tegra20-emc: Print a brief info message about the timings
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2019-08-11 21:02:26
Also in:
linux-clk, linux-tegra, lkml
Subsystem:
memory controller drivers, the rest · Maintainers:
Krzysztof Kozlowski, Linus Torvalds
During boot print how many memory timings got the driver and what's the RAM code. This is a very useful information when something is wrong with boards memory timing. Suggested-by: Marc Dietrich <marvin24@gmx.de> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/memory/tegra/tegra20-emc.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
index 85c24f285fd4..25a6aad6a7a9 100644
--- a/drivers/memory/tegra/tegra20-emc.c
+++ b/drivers/memory/tegra/tegra20-emc.c@@ -368,6 +368,13 @@ static int tegra_emc_load_timings_from_dt(struct tegra_emc *emc, sort(emc->timings, emc->num_timings, sizeof(*timing), cmp_timings, NULL); + dev_info(emc->dev, + "got %u timings for RAM code %u (min %luMHz max %luMHz)\n", + emc->num_timings, + tegra_read_ram_code(), + emc->timings[0].rate / 1000000, + emc->timings[emc->num_timings - 1].rate / 1000000); + return 0; }
--
2.22.0