Commit 9ff68434 authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Krzysztof Kozlowski
Browse files

memory: tegra20-emc: Correct memory device mask 



Memory chip select is swapped when we read mode register, correct it.
We didn't have devices that use a single LPDDR chip and both chips are
always identical, hence this change is just a minor improvement.

Fixes: 131dd9a4 ("memory: tegra20-emc: Support matching timings by LPDDR2 configuration")
Signed-off-by: default avatarDmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20211222043215.28237-2-digetx@gmail.com


Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
parent e3aabb3c

drivers/memory/tegra/tegra20-emc.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -540,7 +540,7 @@ static int emc_read_lpddr_mode_register(struct tegra_emc *emc, 
					unsigned int register_addr,

					unsigned int register_addr,

					unsigned int *register_data)

					unsigned int *register_data)

{

{

	u32 memory_dev = emem_dev + 1;

	u32 memory_dev = emem_dev ? 1 : 2;

	u32 val, mr_mask = 0xff;

	u32 val, mr_mask = 0xff;

	int err;

	int err;