target/linux/layerscape/patches-5.4/808-i2c-0015-LF-263-2-i2c-imx-increase-PM-timeout-to-avoid-operat.patch

   1 From 929ddb0a7cbc09132512ede0afc935d040e84edf Mon Sep 17 00:00:00 2001
   2 From: Clark Wang <xiaoning.wang@nxp.com>
   3 Date: Fri, 29 Nov 2019 17:39:58 +0800
   4 Subject: [PATCH] LF-263-2 i2c: imx: increase PM timeout to avoid operate clk
   5  frequently
   6
   7 Switching the clock frequently will affect the data transmission
   8 efficiency, and prolong the timeout to reduce autosuspend times for
   9 i2c-imx.
  10
  11 Acked-by: Fugang Duan <fugang.duan@nxp.com>
  12 Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
  13 ---
  14  drivers/i2c/busses/i2c-imx.c | 2 +-
  15  1 file changed, 1 insertion(+), 1 deletion(-)
  16
  17 --- a/drivers/i2c/busses/i2c-imx.c
  18 +++ b/drivers/i2c/busses/i2c-imx.c
  19 @@ -114,7 +114,7 @@
  20  #define I2CR_IEN_OPCODE_0      0x0
  21  #define I2CR_IEN_OPCODE_1      I2CR_IEN
  22
  23 -#define I2C_PM_TIMEOUT         10 /* ms */
  24 +#define I2C_PM_TIMEOUT         1000 /* ms */
  25
  26  enum pinmux_endian_type {
  27         BIG_ENDIAN,