Attachment 4983 Details for Bug 2373 – use /sys/bus/pci/devices/xxx instead of /sys/devices/pcixxx

[patch] use /sys/bus/pci/devices/xxx instead of /sys/devices/pcixxx

p_pci-domain-bridge-fix.diff (text/plain), 2.16 KB, created by Bjorn Helgaas on 2006-03-18 08:30:46 UTC

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Creator: Bjorn Helgaas

Created: 2006-03-18 08:30:46 UTC

Size: 2.16 KB

patch

obsolete

>The "/sys/devices/pciDDDD:bb/DDDD:bb:dd.f" path requires that
>you know about any bridges on the way to the device.  Use
>"/sys/bus/pci/devices/DDDD:bb:dd.f" form instead.
>
>--- programs/Xserver/hw/xfree86/os-support/bus/linuxPci.c.orig	2006-03-05 03:43:41.000000000 -0700
>+++ programs/Xserver/hw/xfree86/os-support/bus/linuxPci.c	2006-03-05 03:52:59.000000000 -0700
>@@ -773,8 +773,8 @@
>     bus  = PCI_BUS_NO_DOMAIN(PCI_BUS_FROM_TAG(Tag));
>     dev  = PCI_DEV_FROM_TAG(Tag);
>     func = PCI_FUNC_FROM_TAG(Tag);
>-    sprintf(file, "/sys/devices/pci%04x:%02x/%04x:%02x:%02x.%1x/rom",
>-	    dom, bus, dom, bus, dev, func);
>+    sprintf(file, "/sys/bus/pci/devices/%04x:%02x:%02x.%1x/rom",
>+	    dom, bus, dev, func);
> 
>     /*
>      * If the caller wants the ROM and the sysfs rom interface exists,
>--- programs/Xserver/hw/xfree86/os-support/linux/lnx_pci.c.orig	2006-03-05 03:54:19.000000000 -0700
>+++ programs/Xserver/hw/xfree86/os-support/linux/lnx_pci.c	2006-03-05 03:56:28.000000000 -0700
>@@ -43,8 +43,8 @@
> 
>     pciInfoFromTag(tag, &domain, &bus, &dev, &fn);
> 
>-    sprintf(c, "/sys/devices/pci%04x:%02x/%04x:%02x:%02x.%1x/resource",
>-	    domain, bus, domain, bus, dev, fn);
>+    sprintf(c, "/sys/bus/pci/devices/%04x:%02x:%02x.%1x/resource",
>+	    domain, bus, dev, fn);
>     if (file = fopen(c, "r")) {
>         for (resource=0; resource != index; resource++)
>             fgets(c, 0x1ff, file);
>@@ -134,8 +134,8 @@
> 
>     pciInfoFromTag(tag, &domain, &bus, &dev, &fn);
> 
>-    sprintf(c, "/sys/devices/pci%04x:%02x/%04x:%02x:%02x.%1x/resource",
>-	    domain, bus, domain, bus, dev, fn);
>+    sprintf(c, "/sys/bus/pci/devices/%04x:%02x:%02x.%1x/resource",
>+	    domain, bus, dev, fn);
>     if (file = fopen(c, "r")) {
>         for (resource=0; resource != index; resource++)
>             fgets(c, 0x1ff, file);
>@@ -212,8 +212,8 @@
> 
>     pciInfoFromTag(tag, &domain, &bus, &dev, &fn);
> 
>-    sprintf(c, "/sys/devices/pci%04x:%02x/%04x:%02x:%02x.%1x/resource",
>-	    domain, bus, domain, bus, dev, fn);
>+    sprintf(c, "/sys/bus/pci/devices/%04x:%02x:%02x.%1x/resource",
>+	    domain, bus, dev, fn);
>     if (file = fopen(c, "r")) {
>         unsigned long savePtr;
>         for (ndx=0; ndx < 7; ndx++) {

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Attachments on bug 2373: 1748 | 2425 | 2432 | 2461 | 2464 | 2478 | 2480 | 2483 | 2498 | 2508 | 2645 | 2673 | 2902 | 4983

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