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| author | Dmitry Osipenko <digetx@gmail.com> | 2021-12-22 07:32:15 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2022-01-27 12:40:35 +0300 |
| commit | 9ff684342ee7d3ea2755c6e9b60bc43085baa3ad (patch) | |
| tree | 16d4d1e32d7135d2e54b7b5954ec12c884f6ac26 /drivers/memory | |
| parent | e3aabb3c7dbe66201b45d7b2c20132196f491ad4 (diff) | |
| download | linux-9ff684342ee7d3ea2755c6e9b60bc43085baa3ad.tar.xz | |
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: 131dd9a436d8 ("memory: tegra20-emc: Support matching timings by LPDDR2 configuration")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20211222043215.28237-2-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Diffstat (limited to 'drivers/memory')
| -rw-r--r-- | drivers/memory/tegra/tegra20-emc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index 497b6edbf3ca..25ba3c5e4ad6 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -540,7 +540,7 @@ static int emc_read_lpddr_mode_register(struct tegra_emc *emc, unsigned int register_addr, unsigned int *register_data) { - u32 memory_dev = emem_dev + 1; + u32 memory_dev = emem_dev ? 1 : 2; u32 val, mr_mask = 0xff; int err; |