Commit 7a20e707 authored by Alexander Monakov's avatar Alexander Monakov Committed by Wolfram Sang
Browse files

i2c: designware: suppress unneeded SDA hold time warnings



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.

Reported-by: default avatarThomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: default avatarAlexander Monakov <amonakov@ispras.ru>
Acked-by: default avatarJarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 03e73e63
......@@ -163,7 +163,7 @@ 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");
}
......
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