diff mbox series

[V5,1/2] i2c: tegra: remove master fifo support on tegra186

Message ID 1550597332-21018-1-git-send-email-skomatineni@nvidia.com
State Accepted
Headers show
Series [V5,1/2] i2c: tegra: remove master fifo support on tegra186 | expand

Commit Message

Sowjanya Komatineni Feb. 19, 2019, 5:28 p.m. UTC 
Tegra186 does not have master FIFO  control register and instead
uses FIFO control register like prior Tegra chipset.

This patch fixes this and prevents crashing during boot when
accessing FIFO control registers.

Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
---
 drivers/i2c/busses/i2c-tegra.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Wolfram Sang Feb. 23, 2019, 9:29 a.m. UTC | #1 
On Tue, Feb 19, 2019 at 09:28:51AM -0800, Sowjanya Komatineni wrote:
> Tegra186 does not have master FIFO  control register and instead
> uses FIFO control register like prior Tegra chipset.
> 
> This patch fixes this and prevents crashing during boot when
> accessing FIFO control registers.
> 
> Acked-by: Thierry Reding <treding@nvidia.com>
> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>

Applied to for-next, thanks!
diff mbox series

Patch

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index a4cd79c9f7a7..e6851904acc1 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -1436,7 +1436,7 @@  static const struct tegra_i2c_hw_feature tegra186_i2c_hw = {
 	.has_config_load_reg = true,
 	.has_multi_master_mode = true,
 	.has_slcg_override_reg = true,
-	.has_mst_fifo = true,
+	.has_mst_fifo = false,
 	.quirks = &tegra_i2c_quirks,
 	.supports_bus_clear = true,
 	.has_apb_dma = false,