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Message-ID: <1471264451.2394.5.camel@intel.com>
Date: Mon, 15 Aug 2016 12:34:14 +0000
From: "De Marchi, Lucas" <lucas.demarchi@...el.com>
To: "christian.ruppert@...tech.com" <christian.ruppert@...tech.com>,
"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>
CC: "mika.westerberg@...ux.intel.com" <mika.westerberg@...ux.intel.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"wsa@...-dreams.de" <wsa@...-dreams.de>,
"jarkko.nikula@...ux.intel.com" <jarkko.nikula@...ux.intel.com>
Subject: Re: [PATCH v3 0/3] i2c: designware: improve performance for
transfers
On Fri, 2016-08-12 at 16:59 +0200, Christian Ruppert wrote:
> On 29.07.2016 00:03, Lucas De Marchi wrote:
> >
> > This can be considered a v3 of "i2c: designware: do not disable
> > adapter after
> > transfer". Differences are:
> >
> > - Now there's a first patch that does not depend on IC_TAR
> > being dynamically
> > enabled/disabled: it just doesn't wait for the state change
> > when not needed.
> >
> > - We added a patch that allows detecting if HW supports the
> > dynamic TAR updates
> >
> > - In the last patch the bits were changed as suggested by
> > Jarkko.
> >
> > - This is tested on BayTrail and CherryTrail, both of them
> > returning true for
> > "dynamically update TAR"
>
> Tested-by: Christian Ruppert <christian.ruppert@...tech.com>
> on TB101 with Linux-4.7
>
> Seems to work perfectly now, congratulations and thanks for your
> patience with our platform... This was a hard one!
Awesome, thanks for testing this series.
Looks like I forgot to CC Wolfram. CC'ing now on this cover letter, let
me know if you also need the individual patches.
Lucas De Marchi
>
> >
> > José Roberto de Souza (1):
> > i2c: designware: wait for disable/enable only if necessary
> >
> > Lucas De Marchi (2):
> > i2c: designware: detect when dynamic tar update is possible
> > i2c: designware: do not disable adapter after transfer
> >
> > drivers/i2c/busses/i2c-designware-core.c | 103
> > +++++++++++++++++++++----------
> > drivers/i2c/busses/i2c-designware-core.h | 1 +
> > 2 files changed, 72 insertions(+), 32 deletions(-)
> >
>
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