[PATCH v2 3/9] dmaengine: tegra: Make reset control optional

Akhil R
2026-03-02T12:34:53Z

In Tegra264, reset is not available for the driver to control as
this is handled by the boot firmware. Hence make the reset control
optional and update the error message to reflect the correct error.

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
---
drivers/dma/tegra186-gpc-dma.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dma.c
index 4d6fe0efa76e..09a1717aa808 100644
--- a/drivers/dma/tegra186-gpc-dma.c
+++ b/drivers/dma/tegra186-gpc-dma.c
@@ -1382,10 +1382,10 @@ static int tegra_dma_probe(struct platform_device *pdev)
if (IS_ERR(tdma->base_addr))
return PTR_ERR(tdma->base_addr);

- tdma->rst = devm_reset_control_get_exclusive(&pdev->dev, "gpcdma");
+ tdma->rst = devm_reset_control_get_optional_exclusive(&pdev->dev, "gpcdma");
if (IS_ERR(tdma->rst)) {
return dev_err_probe(&pdev->dev, PTR_ERR(tdma->rst),
- "Missing controller reset\n");
+ "Failed to get controller reset\n");
}
reset_control_reset(tdma->rst);

--
2.50.1