[PATCH 07/11] i2c: imx-lpi2c: increase PM timeout to avoid operate clk frequently
From: Clark Wang <xiaoning.wang@nxp.com>
Date: 2021-03-17 06:54:57
Also in:
linux-i2c, lkml
Subsystem:
freescale imx lpi2c driver, i2c subsystem, i2c subsystem host drivers, the rest · Maintainers:
Dong Aisheng, Andi Shyti, Linus Torvalds
Switching the clock frequently will affect the data transmission efficiency, and prolong the timeout to reduce autosuspend times for lpi2c. Acked-by: Fugang Duan <redacted> Signed-off-by: Clark Wang <xiaoning.wang@nxp.com> --- drivers/i2c/busses/i2c-imx-lpi2c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c
index 86b69852f7be..c0cb77c66090 100644
--- a/drivers/i2c/busses/i2c-imx-lpi2c.c
+++ b/drivers/i2c/busses/i2c-imx-lpi2c.c@@ -75,7 +75,7 @@ #define I2C_CLK_RATIO 2 #define CHUNK_DATA 256 -#define I2C_PM_TIMEOUT 10 /* ms */ +#define I2C_PM_TIMEOUT 1000 /* ms */ enum lpi2c_imx_mode { STANDARD, /* 100+Kbps */
--
2.25.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel