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authorCharles Keepax <ckeepax@opensource.cirrus.com>2024-06-07 11:34:23 +0100
committerMark Brown <broonie@kernel.org>2024-06-07 14:27:03 +0100
commit60980cf5b8c8cc9182e5e9dbb62cbfd345c54074 (patch)
treea45a9ef76e751fa173a37a49ebef403f509916cb /drivers/spi
parent4eecb644b8b82f5279a348f6ebe77e3d6e5b1b05 (diff)
spi: cs42l43: Drop cs35l56 SPI speed down to 11MHz
Some internals of the cs35l56 can only support SPI speeds of up to 11MHz. Whilst some use-cases could support higher rates, keep things simple by dropping the SPI speed down to this avoid any potential issues. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240607103423.4159834-1-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-cs42l43.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-cs42l43.c b/drivers/spi/spi-cs42l43.c
index 902a0734cc36..8b618ef0f711 100644
--- a/drivers/spi/spi-cs42l43.c
+++ b/drivers/spi/spi-cs42l43.c
@@ -54,7 +54,7 @@ static const struct software_node ampr = {
static struct spi_board_info ampl_info = {
.modalias = "cs35l56",
- .max_speed_hz = 20 * HZ_PER_MHZ,
+ .max_speed_hz = 11 * HZ_PER_MHZ,
.chip_select = 0,
.mode = SPI_MODE_0,
.swnode = &ampl,
@@ -62,7 +62,7 @@ static struct spi_board_info ampl_info = {
static struct spi_board_info ampr_info = {
.modalias = "cs35l56",
- .max_speed_hz = 20 * HZ_PER_MHZ,
+ .max_speed_hz = 11 * HZ_PER_MHZ,
.chip_select = 1,
.mode = SPI_MODE_0,
.swnode = &ampr,