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[RFC,v2,06/18] i2c: tegra: Avoid tegra_i2c_init_dma() for Tegra210 vi i2c

Message ID 1592358094-23459-7-git-send-email-skomatineni@nvidia.com
State Accepted
Commit afca861bc6a3141c858d08279eb9afca76584fa6
Headers show
Series [RFC,v2,01/18] dt-bindings: i2c: tegra: Document Tegra210 VI I2C clocks and power-domains | expand

Commit Message

Sowjanya Komatineni June 17, 2020, 1:41 a.m. UTC 
VI I2C is on host1x bus so APB DMA can't be used for Tegra210 VI
I2C and there are no tx and rx dma channels for VI I2C.

So, avoid attempt of requesting DMA channels.

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

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index e7aad64..9a80aa6 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -421,7 +421,7 @@  static int tegra_i2c_init_dma(struct tegra_i2c_dev *i2c_dev)
 	dma_addr_t dma_phys;
 	int err;
 
-	if (!i2c_dev->hw->has_apb_dma)
+	if (!i2c_dev->hw->has_apb_dma || i2c_dev->is_vi)
 		return 0;
 
 	if (!IS_ENABLED(CONFIG_TEGRA20_APB_DMA)) {