linux-kernel - [PATCH AUTOSEL 6.1 5/5] spi: mux: set ctlr->bits_per_word

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Message-ID: <20240716183409.2814531-5-sashal@kernel.org>
Date: Tue, 16 Jul 2024 14:34:02 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: David Lechner <dlechner@...libre.com>,
	Mark Brown <broonie@...nel.org>,
	Sasha Levin <sashal@...nel.org>,
	linux-spi@...r.kernel.org
Subject: [PATCH AUTOSEL 6.1 5/5] spi: mux: set ctlr->bits_per_word_mask

From: David Lechner <dlechner@...libre.com>

[ 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@...libre.com>
Link: https://patch.msgid.link/20240708-spi-mux-fix-v1-3-6c8845193128@baylibre.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 0709e987bd5ab..465d5b0e1d1a9 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);
-- 
2.43.0