Messages in this thread Patch in this message | | | From | Jules Irenge <> | Subject | [PATCH 2/2] spi: atmel: Add missing annotation for atmel_spi_next_xfer_dma_submit() | Date | Wed, 29 Apr 2020 23:57:23 +0100 |
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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 <jbi.octave@gmail.com> --- drivers/spi/spi-atmel.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 013458cabe3c..57ee8c3b7972 100644 --- 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; -- 2.26.2
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