spi: atmel: Add missing annotation for atmel_spi_next_xfer_dma_submit()

Sparse reports a warning at atmel_spi_next_xfer_dma_submit() warning: context imbalance in atmel_spi_next_xfer_dma_submit() - unexpected unlock The root cause is the missing annotation at atmel_spi_next_xfer_dma_submit() Add the missing __must_hold(&as->lock) annotation Signed-off-by: Jules Irenge <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
sajibsrs · Apr 30, 2020 · b68527d · b68527d
1 parent 6eefaee
commit b68527d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
@@ -706,6 +706,7 @@ static void atmel_spi_next_xfer_pio(struct spi_master *master,
 static int atmel_spi_next_xfer_dma_submit(struct spi_master *master,
 				struct spi_transfer *xfer,
 				u32 *plen)
+	__must_hold(&as->lock)
 {
 	struct atmel_spi	*as = spi_master_get_devdata(master);
 	struct dma_chan		*rxchan = master->dma_rx;