diff mbox series

[v2,7/9] spi: spi-s3c64xx: Ensure cur_speed holds actual clock value

Message ID 20200821161401.11307-8-l.stelmach@samsung.com
State Superseded
Headers show
Series Some fixes for spi-s3c64xx | expand

Commit Message

Lukasz Stelmach Aug. 21, 2020, 4:13 p.m. UTC 
cur_speed is used to calculate transfer timeout and needs to be
set to the actual value of (half) the clock speed for precise
calculations.

Cc: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
---
 drivers/spi/spi-s3c64xx.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 02de734b8ab1..89c162efe355 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -626,6 +626,7 @@  static int s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd)
 		ret = clk_set_rate(sdd->src_clk, sdd->cur_speed * 2);
 		if (ret)
 			return ret;
+		sdd->cur_speed = clk_get_rate(sdd->src_clk) / 2;
 	} else {
 		/* Configure Clock */
 		val = readl(regs + S3C64XX_SPI_CLK_CFG);