In our former i2c driver, i2c clk is enabled and disabled in
xfer function, which contributes to power saving. However,
the clk enable process brings a busy wait delay until the core
is stable. As a result, the performance is sacrificed.
To weigh the power consumption and i2c bus performance,
From: Heiner Kallweit mailto:hkallwe...@gmail.com Sent: Friday, August 28,
2015 1:50 PM
To: Gao Pan-B54642; w...@the-dreams.de
Cc: linux-i2c@vger.kernel.org; Li Frank-B20596; Duan Fugang-B38611;
u.kleine-koe...@pengutronix.de; ker...@pengutronix.de
Subject: Re: [Patch V5] i2c: imx: add
Added I2C_FUNC_NO_CLK_STRETCH, to be used when clock stretching is not
supported.
Added this flag to drivers/i2c/algos/i2c-algo-bit.c when getscl is not
available.
Signed-off-by: Nicola Corna nic...@corna.info
---
Documentation/i2c/functionality | 1 +
drivers/i2c/algos/i2c-algo-bit.c | 5 -
