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Date: Wed, 17 Sep 2014 02:41:39 +0000 From: "Kweh, Hock Leong" <hock.leong.kweh@...el.com> To: David Miller <davem@...emloft.net> CC: "peppe.cavallaro@...com" <peppe.cavallaro@...com>, "rayagond@...avyalabs.com" <rayagond@...avyalabs.com>, "vbridgers2013@...il.com" <vbridgers2013@...il.com>, "srinivas.kandagatla@...com" <srinivas.kandagatla@...com>, "wens@...e.org" <wens@...e.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "Ong, Boon Leong" <boon.leong.ong@...el.com> Subject: RE: [PATCH v2 3/4] net: stmmac: add support for Intel Quark X1000 > -----Original Message----- > From: David Miller [mailto:davem@...emloft.net] > Sent: Wednesday, September 17, 2014 3:01 AM > From: "Kweh, Hock Leong" <hock.leong.kweh@...el.com> > Date: Mon, 15 Sep 2014 12:42:03 +0000 > > > The only things to differentiate them is PCI BUS DEVICE FUNCTION > > (Bus:Dev:Func) number which are fix numbers 00:20:6 for port 1 and > > 00:20:7 for port 2 stated in Quark X1000 datasheet. > > Match on the PCI device class, which must be > PCI_CLASS_NETWORK_ETHERNET or similar. > > The pci_device_id used for probing supports matching on this directly. > . Hi David, Thanks for the pointer. I did a quickly checking on the class number to see if I could use it for differentiation the ports number. Whereas I found them both have the same class number as well. Below shows the "lspci" dump to all the PCI devices on Quark X1000 Galileo board (Ethernet controllers are 00:14.6 and 00:14.7). Very unfortunately we are unlikely to use the class number as well as pci_device_id for the differentiation. Thanks. root@...rk:~# lspci -m 00:00.0 "Class 0600" "8086" "0958" "8086" "095e" 00:14.0 "Class 0805" "8086" "08a7" "8086" "08a7" 00:14.1 "Class 0700" "8086" "0936" "8086" "0936" 00:14.2 "Class 0c03" "8086" "0939" "8086" "0939" 00:14.3 "Class 0c03" "8086" "0939" "8086" "0939" 00:14.4 "Class 0c03" "8086" "093a" "8086" "093a" 00:14.5 "Class 0700" "8086" "0936" "8086" "0936" 00:14.6 "Class 0200" "8086" "0937" "8086" "0937" 00:14.7 "Class 0200" "8086" "0937" "8086" "0937" 00:15.0 "Class 0c80" "8086" "0935" "8086" "0935" 00:15.1 "Class 0c80" "8086" "0935" "8086" "0935" 00:15.2 "Class 0c80" "8086" "0934" "8086" "0934" 00:17.0 "Class 0604" "8086" "11c3" "8086" "11c3" 00:17.1 "Class 0604" "8086" "11c4" "8086" "11c4" 00:1f.0 "Class 0601" "8086" "095e" "8086" "095e" root@...rk:~# lspci -k 00:00.0 Class 0600: 8086:0958 iosf_mbi_pci 00:14.0 Class 0805: 8086:08a7 sdhci-pci 00:14.1 Class 0700: 8086:0936 serial 00:14.2 Class 0c03: 8086:0939 00:14.3 Class 0c03: 8086:0939 ehci-pci 00:14.4 Class 0c03: 8086:093a ohci-pci 00:14.5 Class 0700: 8086:0936 serial 00:14.6 Class 0200: 8086:0937 stmmaceth 00:14.7 Class 0200: 8086:0937 00:15.0 Class 0c80: 8086:0935 00:15.1 Class 0c80: 8086:0935 00:15.2 Class 0c80: 8086:0934 00:17.0 Class 0604: 8086:11c3 pcieport 00:17.1 Class 0604: 8086:11c4 pcieport 00:1f.0 Class 0601: 8086:095e root@...rk:~# Regards, Wilson -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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