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Date: Mon, 12 Sep 2016 16:43:53 +0300 From: Mika Westerberg <mika.westerberg@...ux.intel.com> To: Jarkko Nikula <jarkko.nikula@...ux.intel.com> Cc: linux-kernel@...r.kernel.org, Lee Jones <lee.jones@...aro.org>, Paul Liu <paul.liu@...onical.com>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com> Subject: Re: [PATCH] mfd: intel-lpss: Add default I2C device properties for Apollo Lake On Mon, Sep 12, 2016 at 02:41:33PM +0300, Jarkko Nikula wrote: > Default I2C device properties for Intel Broxton, especially SDA hold time > may not be enough on Intel Apollo Lake. These properties are used in case > we don't get timing parameters from ACPI. > > The default SDA hold time for Broxton may fail with arbitration lost errors > on Apollo Lake: > > i2c_designware i2c_designware.1: i2c_dw_handle_tx_abort: lost arbitration > > Fix this by using different default device properties on Apollo Lake than > Broxton. > > Reported-by: Paul Liu <paul.liu@...onical.com> > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=156181 > Signed-off-by: Jarkko Nikula <jarkko.nikula@...ux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
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