Commit cf2ed090 authored Jun 01, 2020 by Vignesh Raghavendra Committed by Greg Kroah-Hartman May 17, 2023

mtd: spi-nor: cadence-quadspi: Don't initialize rx_dma_complete on failure



[ Upstream commit 48aae57f0f9f57797772bd462b4d64902b1b4ae1 ]

If driver fails to acquire DMA channel then don't initialize
rx_dma_complete struct as it won't be used.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Acked-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20200601070444.16923-4-vigneshr@ti.com


Signed-off-by: Mark Brown <broonie@kernel.org>
Stable-dep-of: 2087e85bb66e ("spi: cadence-quadspi: fix suspend-resume implementations")
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 7cd88edc

drivers/mtd/spi-nor/cadence-quadspi.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1173,6 +1173,7 @@ static void cqspi_request_mmap_dma(struct cqspi_st *cqspi)
		if (IS_ERR(cqspi->rx_chan)) {
		dev_err(&cqspi->pdev->dev, "No Rx DMA available\n");
		cqspi->rx_chan = NULL;
		return;
		}
		init_completion(&cqspi->rx_dma_complete);
		}