diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/808-i2c-0015-LF-263-2-i2c-imx-increase-PM-timeout-to-avoid-operat.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/808-i2c-0015-LF-263-2-i2c-imx-increase-PM-timeout-to-avoid-operat.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/808-i2c-0015-LF-263-2-i2c-imx-increase-PM-timeout-to-avoid-operat.patch b/target/linux/layerscape/patches-5.4/808-i2c-0015-LF-263-2-i2c-imx-increase-PM-timeout-to-avoid-operat.patch new file mode 100644 index 0000000000..7579244c90 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/808-i2c-0015-LF-263-2-i2c-imx-increase-PM-timeout-to-avoid-operat.patch @@ -0,0 +1,27 @@ +From 929ddb0a7cbc09132512ede0afc935d040e84edf Mon Sep 17 00:00:00 2001 +From: Clark Wang <xiaoning.wang@nxp.com> +Date: Fri, 29 Nov 2019 17:39:58 +0800 +Subject: [PATCH] LF-263-2 i2c: imx: increase PM timeout to avoid operate clk + frequently + +Switching the clock frequently will affect the data transmission +efficiency, and prolong the timeout to reduce autosuspend times for +i2c-imx. + +Acked-by: Fugang Duan <fugang.duan@nxp.com> +Signed-off-by: Clark Wang <xiaoning.wang@nxp.com> +--- + drivers/i2c/busses/i2c-imx.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/i2c/busses/i2c-imx.c ++++ b/drivers/i2c/busses/i2c-imx.c +@@ -114,7 +114,7 @@ + #define I2CR_IEN_OPCODE_0 0x0 + #define I2CR_IEN_OPCODE_1 I2CR_IEN + +-#define I2C_PM_TIMEOUT 10 /* ms */ ++#define I2C_PM_TIMEOUT 1000 /* ms */ + + enum pinmux_endian_type { + BIG_ENDIAN, |