spi: mux: set ctlr->bits_per_word_mask

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@baylibre.com>
Link: https://patch.msgid.link/20240708-spi-mux-fix-v1-3-6c8845193128@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c
index f4b619cc26578701d54c61adee96612a5f85bf7c..c02c4204442f5eb614a4231fa193e5efb887dd75 100644 (file)
--- a/drivers/spi/spi-mux.c
+++ b/drivers/spi/spi-mux.c
@@ -158,6 +158,7 @@ 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);