Messages in this thread | | | Date | Mon, 25 Jan 2016 13:31:14 -0600 | From | Rob Herring <> | Subject | Re: [PATCH v2 01/23] devicetree: bindings: hisi_sas: add v2 HW bindings |
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On Tue, Jan 26, 2016 at 01:21:50AM +0800, j00310691 wrote: > From: John Garry <john.garry@huawei.com> > > Add the dt bindings for HiSi SAS controller v2 HW. > > The main difference in the controller from dt perspective > is interrupts. The v2 controller does not have dedicated > fatal and broadcast interrupts - they are multiplexed on > the channel interrupt. > > Each SAS v2 controller can issue upto 64 commands > (or connection requests) on the system bus without waiting > for a response - this is know as am-max-transmissions. > In hip06, sas controller #1 has a limitation that it has to > limit am-max-transmissions to 32 - this limitation is due > to chip system bus design. It is not anticipated that any > future chip incorporating v2 controller will have such a > limitation. > > Signed-off-by: John Garry <john.garry@huawei.com> > --- > .../devicetree/bindings/scsi/hisilicon-sas.txt | 21 ++++++++++++++++++++- > 1 file changed, 20 insertions(+), 1 deletion(-)
Acked-by: Rob Herring <robh@kernel.org>
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