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Unverified Commit 76457eea authored by Sowjanya Komatineni's avatar Sowjanya Komatineni Committed by Mark Brown
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spi: tegra114: use unpacked mode for below 4 bytes 



Packed mode expects minimum transfer length of 4 bytes.

This patch fixes this by using unpacked mode for transfers less
than 4 bytes.

Signed-off-by: default avatarSowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent f0a0bc90

drivers/spi/spi-tegra114.c

+2 −1
Original line number Diff line number Diff line
@@ -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 {