linux-kernel - patch: add specific support for Marvell MV88SE9186 (AHCI + PCI quirk)

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Date:   Tue, 04 Oct 2016 19:07:40 +0200
From:   "Frantisek Rysanek" <Frantisek.Rysanek@...t.cz>
To:     linux-kernel@...r.kernel.org
Subject: patch: add specific support for Marvell MV88SE9186 (AHCI + PCI quirk)

Dear polite inhabitants of LKML,

see the attached patch - I think it's pretty clear and simple.

Today I've found myself in a situation where an onboard AHCI chip 
from Marvell did not properly detect a DVD drive.
Not so long story short, I had to add the device ID to both   
drivers/ata/ahci.c and to drivers/pci/quirks.c .
Problem gone.
88SE9186 is indeed printed on the chip's package.
Spotted on Advantech ASMB-785 (industrial ATX mobo).
Tested in 4.7.6 , but I can see in git.kernel.org that the files have 
not changed in a related way since then.

Thanks for your attention, and for the great job that you're doing.
Especially Alex Williamson deserves credit for this one :-)

Signed-off-by: Frank Rysanek <Frantisek.Rysanek@...t.cz>

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   ---- File information -----------
     File:  MV88SE9186.patch
     Date:  4 Oct 2016, 16:20
     Size:  1207 bytes.
     Type:  Unknown

Download attachment "MV88SE9186.patch" of type "Application/Octet-stream" (1207 bytes)