From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH v2 2/2] PCI: mediatek: Fixup class type for MT7622 Date: Thu, 21 Dec 2017 10:11:17 +0800 Message-ID: <1513822277-18329-3-git-send-email-honghui.zhang@mediatek.com> References: <1513822277-18329-1-git-send-email-honghui.zhang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1513822277-18329-1-git-send-email-honghui.zhang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, yingjoe.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, eddie.huang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, ryder.lee-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, lorenzo.pieralisi-5wv7dgnIgG8@public.gmane.org Cc: honghui.zhang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, hongkun.cao-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, youlin.pei-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, yong.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, yt.shen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, sean.wang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, xinping.qian-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org List-Id: devicetree@vger.kernel.org From: Honghui Zhang The host bridge of MT7622 has hardware code the class code to an arbitrary, meaningless value, fix that. Signed-off-by: Honghui Zhang --- drivers/pci/host/pcie-mediatek.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/pci/host/pcie-mediatek.c b/drivers/pci/host/pcie-mediatek.c index 3248771..ae8d367 100644 --- a/drivers/pci/host/pcie-mediatek.c +++ b/drivers/pci/host/pcie-mediatek.c @@ -1174,3 +1174,15 @@ static struct platform_driver mtk_pcie_driver = { }, }; builtin_platform_driver(mtk_pcie_driver); + +/* The host bridge of MT7622 advertises the wrong device class. */ +static void mtk_fixup_class(struct pci_dev *dev) +{ + dev->class = PCI_CLASS_BRIDGE_PCI << 8; +} + +/* + * The HW default value of vendor id and device id for mt7622 are 0x0e8d, + * 0x3258, which are arbitrary, meaningless values. + */ +DECLARE_PCI_FIXUP_EARLY(0x0e8d, 0x3258, mtk_fixup_class); -- 2.6.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html