Message ID | 1520425514-205565-1-git-send-email-john.garry@huawei.com |
---|---|
Headers | show |
Series | hisi_sas: support x6000 board and some misc changes | expand |
On Wed, Mar 07, 2018 at 08:25:05PM +0800, John Garry wrote: > From: Xiaofei Tan <tanxiaofei@huawei.com> > > For some new boards with hip07 chipset we are required to > set PHY config registers differently. The hw property which > determines how to set these registers is in the PHY signal > attenuation readings. > > This patch add an devicetree property, "hisilicon,signal-attenuation", > which is used to describe the signal attenuation of an board. > > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Mark Rutland <mark.rutland@arm.com> > Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> > Signed-off-by: John Garry <john.garry@huawei.com> > --- > Documentation/devicetree/bindings/scsi/hisilicon-sas.txt | 7 +++++++ > 1 file changed, 7 insertions(+) Reviewed-by: Rob Herring <robh@kernel.org>
John, > This patchset primarily adds support for the Huawei x6000 board, > which includes hip07 chipset. Unfortunately, due to some board > layout differences with our development board, we need to set > a PHY-related register differently for optimal signal quality. As > such, a signal attenuation property is added to describe the > differences in the boards and allow the PHY register to be set > appropriately. Applied to 4.17/scsi-queue, thanks! -- Martin K. Petersen Oracle Linux Engineering