From: Brad Bishop bradleyb@fuzziesquirrel.com
[ Upstream commit 2b3cef0fc757bd06ed9b83bd4c436bfa55f47370 ]
The trailing <len> - 8 bytes of transfer data in this size range is no longer ignored.
Fixes: bbb6b2f9865b ("spi: Add FSI-attached SPI controller driver") Signed-off-by: Brad Bishop bradleyb@fuzziesquirrel.com Signed-off-by: Eddie James eajames@linux.ibm.com Reviewed-by: Joel Stanley joel@jms.id.au Signed-off-by: Joel Stanley joel@jms.id.au Link: https://lore.kernel.org/r/20200909222857.28653-2-eajames@linux.ibm.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/spi/spi-fsi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/spi/spi-fsi.c b/drivers/spi/spi-fsi.c index 37a3e0f8e7526..8f64af0140e09 100644 --- a/drivers/spi/spi-fsi.c +++ b/drivers/spi/spi-fsi.c @@ -258,15 +258,15 @@ static int fsi_spi_sequence_transfer(struct fsi_spi *ctx, if (loops > 1) { fsi_spi_sequence_add(seq, SPI_FSI_SEQUENCE_BRANCH(idx));
- if (rem) - fsi_spi_sequence_add(seq, rem); - rc = fsi_spi_write_reg(ctx, SPI_FSI_COUNTER_CFG, SPI_FSI_COUNTER_CFG_LOOPS(loops - 1)); if (rc) return rc; }
+ if (rem) + fsi_spi_sequence_add(seq, rem); + return 0; }