The hardware may not support SDA hold time configuration, but if it is not set in the Device Tree either, there is no need to print a warning. Link: https://patchwork.kernel.org/patch/9681781/ Cc: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxx> Cc: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx> Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx> Signed-off-by: Alexander Monakov <amonakov@xxxxxxxxx> --- Hello, Thomas originally raised this issue in April (see patchwork link), Jarkko gave his acked-by but recommended to use "else if", Wolfram agreed, and then it seems to have fallen through the cracks. Resubmitting with "else if". Thanks. Alexander drivers/i2c/busses/i2c-designware-master.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index 418c233075d3..5d49f2aa8ccf 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -161,7 +161,7 @@ static int i2c_dw_init_master(struct dw_i2c_dev *dev) if (!(dev->sda_hold_time & DW_IC_SDA_HOLD_RX_MASK)) dev->sda_hold_time |= 1 << DW_IC_SDA_HOLD_RX_SHIFT; dw_writel(dev, dev->sda_hold_time, DW_IC_SDA_HOLD); - } else { + } else if (dev->sda_hold_time) { dev_warn(dev->dev, "Hardware too old to adjust SDA hold time.\n"); } -- 2.11.0
