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authorDmitry Osipenko <digetx@gmail.com>2019-08-12 00:00:40 +0300
committerThierry Reding <treding@nvidia.com>2019-11-11 16:55:27 +0300
commite34212c75a68990f7215d64d725c61e57ca70357 (patch)
treeb2db266781070363438ee176c96e05dd2d9d6bd3 /include/soc/tegra
parent88c5bfecaa36c1b92666f9f0a02b4fa36e7f6337 (diff)
downloadlinux-e34212c75a68990f7215d64d725c61e57ca70357.tar.xz
memory: tegra: Introduce Tegra30 EMC driver
Introduce driver for the External Memory Controller (EMC) found on Tegra30 chips, it controls the external DRAM on the board. The purpose of this driver is to program memory timing for external memory on the EMC clock rate change. Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Tested-by: Peter Geis <pgwipeout@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'include/soc/tegra')
-rw-r--r--include/soc/tegra/mc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h
index 16e2c2fb5f6c..1238e35653d1 100644
--- a/include/soc/tegra/mc.h
+++ b/include/soc/tegra/mc.h
@@ -181,7 +181,7 @@ struct tegra_mc {
spinlock_t lock;
};
-void tegra_mc_write_emem_configuration(struct tegra_mc *mc, unsigned long rate);
+int tegra_mc_write_emem_configuration(struct tegra_mc *mc, unsigned long rate);
unsigned int tegra_mc_get_emem_device_count(struct tegra_mc *mc);
#endif /* __SOC_TEGRA_MC_H__ */