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Commit 8a0a1af3 authored by Dan Carpenter's avatar Dan Carpenter Committed by Stephen Warren
Browse files

spi: tegra: checking for ERR_PTR instead of NULL 



dma_request_slave_channel() returns NULL on error and not ERR_PTRs.
I've fixed this by using dma_request_slave_channel_reason() which does
return ERR_PTRs.

Fixes: a915d150 ('spi: tegra: convert to standard DMA DT bindings')
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
parent f1d6ff79

drivers/spi/spi-tegra20-slink.c

+2 −2
Original line number Diff line number Diff line
@@ -630,7 +630,7 @@ static int tegra_slink_init_dma_param(struct tegra_slink_data *tspi, 
	int ret;

	struct dma_slave_config dma_sconfig;



	dma_chan = dma_request_slave_channel(tspi->dev,

	dma_chan = dma_request_slave_channel_reason(tspi->dev,

						dma_to_memory ? "rx" : "tx");

	if (IS_ERR(dma_chan)) {

		ret = PTR_ERR(dma_chan);