| Message ID | 1553666207-11414-5-git-send-email-skomatineni@nvidia.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [V1,01/26] spi: tegra114: fix PIO transfer | expand |
On Tue, Mar 26, 2019 at 10:56:26PM -0700, Sowjanya Komatineni wrote: > Fixes: use unpacked mode when transfer length is less than 4 bytes. > > Packed mode expects minimum transfer length of 4 bytes. This doesn't apply against current code, please check and resend. Applying: spi: tegra114: use unpacked mode for below 4 byte transfers error: sha1 information is lacking or useless (drivers/spi/spi-tegra114.c). error: could not build fake ancestor
diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c index dc63536dbda4..716587b663a3 100644 --- a/drivers/spi/spi-tegra114.c +++ b/drivers/spi/spi-tegra114.c @@ -259,7 +259,8 @@ static unsigned tegra_spi_calculate_curr_xfer_param( tspi->bytes_per_word = DIV_ROUND_UP(bits_per_word, 8); - if (bits_per_word == 8 || bits_per_word == 16 || bits_per_word == 32) { + if ((bits_per_word == 8 || bits_per_word == 16 || + bits_per_word == 32) && t->len > 3) { tspi->is_packed = 1; tspi->words_per_32bit = 32/bits_per_word; } else {
Fixes: use unpacked mode when transfer length is less than 4 bytes. Packed mode expects minimum transfer length of 4 bytes. Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com> --- drivers/spi/spi-tegra114.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)