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Red Hat Bugzilla – Attachment 148038 Details for
Bug 223750
Installing os by local cdrom method failed
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[patch]
New patch of ide controller quirk on ia64
ata_quirks_2.6.20_v3.patch (text/plain), 1.73 KB, created by
Zhang Yanmin
on 2007-02-14 06:23:17 UTC
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Description:
New patch of ide controller quirk on ia64
Filename:
MIME Type:
Creator:
Zhang Yanmin
Created:
2007-02-14 06:23:17 UTC
Size:
1.73 KB
patch
obsolete
>--- linux-2.6.20/arch/ia64/kernel/quirks.c 1969-12-31 19:00:00.000000000 -0500 >+++ linux-2.6.20_fix/arch/ia64/kernel/quirks.c 2007-02-13 13:56:34.000000000 -0500 >@@ -0,0 +1,45 @@ >+/* >+ * This file contains work-arounds for ia64 platform bugs. >+ */ >+#include <linux/pci.h> >+ >+/* >+ * quirk_intel_ide_controller: If an ide/ata controller is >+ * at legacy mode, BIOS might initiates BAR(bar 0~3 and 5) >+ * with incorrect value. This quirk will reset the incorrect >+ * value to 0. >+ */ >+static void __devinit quirk_intel_ide_controller(struct pci_dev *dev) >+{ >+ unsigned int pos; >+ struct resource *res; >+ int fixed = 0; >+ u8 tmp8; >+ >+ if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) >+ return; >+ >+ /* TODO: What if one channel is in native mode ... */ >+ pci_read_config_byte(dev, PCI_CLASS_PROG, &tmp8); >+ if ((tmp8 & 5) == 5) >+ return; >+ >+ for( pos = 0; pos < 6; pos ++ ) { >+ res = &dev->resource[pos]; >+ if (!(res->flags & (IORESOURCE_IO | IORESOURCE_MEM))) >+ continue; >+ >+ if (!res->start && res->end) { >+ res->start = res->end = 0; >+ res->flags = 0; >+ fixed = 1; >+ } >+ } >+ if (fixed) >+ printk(KERN_WARNING >+ "PCI device %s: BIOS resource configuration fixed.\n", >+ pci_name(dev)); >+} >+ >+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_11, quirk_intel_ide_controller); >+ >--- linux-2.6.20/arch/ia64/kernel/Makefile 2007-02-08 02:13:41.000000000 -0500 >+++ linux-2.6.20_fix/arch/ia64/kernel/Makefile 2007-02-12 09:49:39.000000000 -0500 >@@ -33,6 +33,7 @@ obj-$(CONFIG_CRASH_DUMP) += crash_dump.o > obj-$(CONFIG_IA64_UNCACHED_ALLOCATOR) += uncached.o > obj-$(CONFIG_AUDIT) += audit.o > obj-$(CONFIG_PCI_MSI) += msi_ia64.o >+obj-$(CONFIG_PCI) += quirks.o > mca_recovery-y += mca_drv.o mca_drv_asm.o > > obj-$(CONFIG_IA64_ESI) += esi.o
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