linux-kernel - [PATCH 3/3] spi: mux: set ctlr->bits_per_word

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Message-ID: <20240708-spi-mux-fix-v1-3-6c8845193128@baylibre.com>
Date: Mon,  8 Jul 2024 20:05:30 -0500
From: David Lechner <dlechner@...libre.com>
To: Mark Brown <broonie@...nel.org>,
	Oleksij Rempel <o.rempel@...gutronix.de>,
	Marc Kleine-Budde <mkl@...gutronix.de>
Cc: David Lechner <dlechner@...libre.com>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] 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@...libre.com>
---
 drivers/spi/spi-mux.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c
index f4b619cc2657..c02c4204442f 100644
--- 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);

-- 
2.43.0