From: Bence Csókás Date: Wed, 31 Mar 2021 19:19:20 +0000 (+0000) Subject: i2c: Add I2C_AQ_NO_REP_START adapter quirk X-Git-Tag: v5.15~1227^2~55 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=aca01415e076aa96cca0f801f4420ee5c10c660d;p=platform%2Fkernel%2Flinux-starfive.git i2c: Add I2C_AQ_NO_REP_START adapter quirk This quirk signifies that the adapter cannot do a repeated START, it always issues a STOP condition after transfers. Suggested-by: Wolfram Sang Signed-off-by: Bence Csókás Signed-off-by: Wolfram Sang --- diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 5662265..a670ae1 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -687,6 +687,8 @@ struct i2c_adapter_quirks { #define I2C_AQ_NO_ZERO_LEN_READ BIT(5) #define I2C_AQ_NO_ZERO_LEN_WRITE BIT(6) #define I2C_AQ_NO_ZERO_LEN (I2C_AQ_NO_ZERO_LEN_READ | I2C_AQ_NO_ZERO_LEN_WRITE) +/* adapter cannot do repeated START */ +#define I2C_AQ_NO_REP_START BIT(7) /* * i2c_adapter is the structure used to identify a physical i2c bus along