This is a note to let you know that I've just added the patch titled
spi: mux: set ctlr->bits_per_word_mask
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
spi-mux-set-ctlr-bits_per_word_mask.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 7b6fd7245efd0f835a2b9f34ad1c35676b089080
Author: David Lechner <dlechner@xxxxxxxxxxxx>
Date: Mon Jul 8 20:05:30 2024 -0500
spi: mux: set ctlr->bits_per_word_mask
[ Upstream commit c8bd922d924bb4ab6c6c488310157d1a27996f31 ]
Like other SPI controller flags, bits_per_word_mask may be used by a
peripheral driver, so it needs to reflect the capabilities of the
underlying controller.
Signed-off-by: David Lechner <dlechner@xxxxxxxxxxxx>
Link: https://patch.msgid.link/20240708-spi-mux-fix-v1-3-6c8845193128@xxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c
index f5d32ec4634e3..e1af2d8ed51a6 100644
--- a/drivers/spi/spi-mux.c
+++ b/drivers/spi/spi-mux.c
@@ -156,6 +156,7 @@ static int spi_mux_probe(struct spi_device *spi)
/* supported modes are the same as our parent's */
ctlr->mode_bits = spi->controller->mode_bits;
ctlr->flags = spi->controller->flags;
+ ctlr->bits_per_word_mask = spi->controller->bits_per_word_mask;
ctlr->transfer_one_message = spi_mux_transfer_one_message;
ctlr->setup = spi_mux_setup;
ctlr->num_chipselect = mux_control_states(priv->mux);
