| Message ID | 20240604131704.3227500-1-ckeepax@opensource.cirrus.com |
|---|---|
| State | Accepted |
| Commit | 4eecb644b8b82f5279a348f6ebe77e3d6e5b1b05 |
| Headers | show |
| Series | spi: cs42l43: Correct SPI root clock speed | expand |
diff --git a/drivers/spi/spi-cs42l43.c b/drivers/spi/spi-cs42l43.c index 9d747ea69926..902a0734cc36 100644 --- a/drivers/spi/spi-cs42l43.c +++ b/drivers/spi/spi-cs42l43.c @@ -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 {
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: ef75e767167a ("spi: cs42l43: Add SPI controller support") Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> --- drivers/spi/spi-cs42l43.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)