Unverified Commit 4eecb644 authored by Charles Keepax's avatar Charles Keepax Committed by Mark Brown
Browse files

spi: cs42l43: Correct SPI root clock speed 



The root clock is actually 49.152MHz not 40MHz, as it is derived from
the primary audio clock, update the driver to match. This error can
cause the actual clock rate to be higher than the requested clock rate
on the SPI bus.

Fixes: ef75e767 ("spi: cs42l43: Add SPI controller support")
Signed-off-by: default avatarCharles Keepax <ckeepax@opensource.cirrus.com>
Link: https://msgid.link/r/20240604131704.3227500-1-ckeepax@opensource.cirrus.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c3f38fa6

drivers/spi/spi-cs42l43.c

+1 −1
Original line number Diff line number Diff line
@@ -26,7 +26,7 @@ 
#include <linux/units.h>



#define CS42L43_FIFO_SIZE		16

#define CS42L43_SPI_ROOT_HZ		(40 * HZ_PER_MHZ)

#define CS42L43_SPI_ROOT_HZ		49152000

#define CS42L43_SPI_MAX_LENGTH		65532



enum cs42l43_spi_cmd {