From: Lori Hikichi Date: Thu, 8 Aug 2019 03:37:52 +0000 (+0530) Subject: i2c: iproc: Stop advertising support of SMBUS quick cmd X-Git-Tag: v5.2.17~35 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=316c15048f405002af720d7764c434d95d6cfca5;p=users%2Fdwmw2%2Flinux.git i2c: iproc: Stop advertising support of SMBUS quick cmd [ Upstream commit b3d604d405166edfd4e1e6053409b85008f4f56d ] The driver does not support the SMBUS Quick command so remove the flag that indicates that level of support. By default the i2c_detect tool uses the quick command to try and detect devices at some bus addresses. If the quick command is used then we will not detect the device, even though it is present. Fixes: e6e5dd3566e0 (i2c: iproc: Add Broadcom iProc I2C Driver) Signed-off-by: Lori Hikichi Signed-off-by: Rayagonda Kokatanur Reviewed-by: Ray Jui Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c index ad1681872e39d..b99322d83f483 100644 --- a/drivers/i2c/busses/i2c-bcm-iproc.c +++ b/drivers/i2c/busses/i2c-bcm-iproc.c @@ -801,7 +801,10 @@ static int bcm_iproc_i2c_xfer(struct i2c_adapter *adapter, static uint32_t bcm_iproc_i2c_functionality(struct i2c_adapter *adap) { - u32 val = I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; + u32 val; + + /* We do not support the SMBUS Quick command */ + val = I2C_FUNC_I2C | (I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK); if (adap->algo->reg_slave) val |= I2C_FUNC_SLAVE;