spi: spi-cadence: Add missing kernel doc for clk_rate in cdns_spi

Add the missing kernel documentation to silence the build warning.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230523090124.3132-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c
index ac85d55..d1d583d 100644 (file)
--- a/drivers/spi/spi-cadence.c
+++ b/drivers/spi/spi-cadence.c
@@ -101,6 +101,7 @@
  * @regs:              Virtual address of the SPI controller registers
  * @ref_clk:           Pointer to the peripheral clock
  * @pclk:              Pointer to the APB clock
+ * @clk_rate:          Reference clock frequency, taken from @ref_clk
  * @speed_hz:          Current SPI bus clock speed in Hz
  * @txbuf:             Pointer to the TX buffer
  * @rxbuf:             Pointer to the RX buffer