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Message-ID: <61f5e4d6-5564-4f51-a586-f1a8693b215d@linux.intel.com> Date: Tue, 27 Aug 2024 10:08:00 +0300 From: Jarkko Nikula <jarkko.nikula@...ux.intel.com> To: Shyam Sundar S K <Shyam-sundar.S-k@....com>, Alexandre Belloni <alexandre.belloni@...tlin.com> Cc: Guruvendra Punugupati <Guruvendra.Punugupati@....com>, Krishnamoorthi M <krishnamoorthi.m@....com>, linux-i3c@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v5 3/6] i3c: mipi-i3c-hci: Add a quirk to set PIO mode On 8/23/24 5:19 PM, Shyam Sundar S K wrote: > The AMD HCI controller currently only supports PIO mode but exposes DMA > rings to the OS, which leads to the controller being configured in DMA > mode. To address this, add a quirk to avoid configuring the controller in > DMA mode and default to PIO mode. > > Additionally, introduce a generic quirk infrastructure to the mipi-i3c-hci > driver to facilitate seamless future quirk additions. > > Co-developed-by: Krishnamoorthi M <krishnamoorthi.m@....com> > Signed-off-by: Krishnamoorthi M <krishnamoorthi.m@....com> > Co-developed-by: Guruvendra Punugupati <Guruvendra.Punugupati@....com> > Signed-off-by: Guruvendra Punugupati <Guruvendra.Punugupati@....com> > Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@....com> > --- > drivers/i3c/master/mipi-i3c-hci/core.c | 8 +++++++- > drivers/i3c/master/mipi-i3c-hci/hci.h | 1 + > 2 files changed, 8 insertions(+), 1 deletion(-) > Reviewed-by: Jarkko Nikula <jarkko.nikula@...ux.intel.com>
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