;
u.kleine-koe...@pengutronix.de; ker...@pengutronix.de
Subject: Re: [Patch V5] i2c: imx: add runtime pm support to improve
the performance
Am 27.08.2015 um 06:01 schrieb Gao Pandy:
From: Heiner Kallweit mailto:hkallwe...@gmail.com Sent: Thursday,
August 27, 2015 2:52 AM
To: Gao Pan-B54642; w
Subject: Re: [Patch V5] i2c: imx: add runtime pm support to improve the
performance
Am 27.08.2015 um 06:01 schrieb Gao Pandy:
From: Heiner Kallweit mailto:hkallwe...@gmail.com Sent: Thursday,
August 27, 2015 2:52 AM
To: Gao Pan-B54642; w...@the-dreams.de
Cc: linux-i2c@vger.kernel.org; Li
;
u.kleine-koe...@pengutronix.de; ker...@pengutronix.de
Subject: Re: [Patch V5] i2c: imx: add runtime pm support to improve
the performance
Am 26.08.2015 um 07:23 schrieb Gao Pan:
In our former i2c driver, i2c clk is enabled and disabled in xfer
function, which contributes to power saving
Am 26.08.2015 um 07:23 schrieb Gao Pan:
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
Subject: Re: [Patch V5] i2c: imx: add runtime pm support to improve the
performance
Am 26.08.2015 um 07:23 schrieb Gao Pan:
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
From: Heiner Kallweit mailto:hkallwe...@gmail.com Sent: Thursday, August 27,
2015 2:52 AM
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
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,
