i2c: tegra: remove multi-master support
authorSowjanya Komatineni <skomatineni@nvidia.com>
Tue, 19 Feb 2019 17:28:52 +0000 (09:28 -0800)
committerWolfram Sang <wsa@the-dreams.de>
Sat, 23 Feb 2019 09:28:35 +0000 (10:28 +0100)
Multi-master support is defeatured on Tegra210 and Tegra186 due to
known bugs.

This patch removes multi-master support for Tegra210 and Tegra186
I2C HW feature.

Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/busses/i2c-tegra.c

index 9d097ad2f6dbc9253f25e656eb2c31f4a533a9a5..31ff670152554908cecb30fece52a1b69b02ef90 100644 (file)
@@ -1409,7 +1409,7 @@ static const struct tegra_i2c_hw_feature tegra210_i2c_hw = {
        .clk_divisor_fast_mode = 0x19,
        .clk_divisor_fast_plus_mode = 0x10,
        .has_config_load_reg = true,
-       .has_multi_master_mode = true,
+       .has_multi_master_mode = false,
        .has_slcg_override_reg = true,
        .has_mst_fifo = false,
        .quirks = &tegra_i2c_quirks,
@@ -1434,7 +1434,7 @@ static const struct tegra_i2c_hw_feature tegra186_i2c_hw = {
        .clk_divisor_fast_mode = 0x19,
        .clk_divisor_fast_plus_mode = 0x10,
        .has_config_load_reg = true,
-       .has_multi_master_mode = true,
+       .has_multi_master_mode = false,
        .has_slcg_override_reg = true,
        .has_mst_fifo = false,
        .quirks = &tegra_i2c_quirks,