Attachment 148038 Details for Bug 223750 – New patch of ide controller quirk on ia64

[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

(hide)

Description:

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

Actions: View | Diff

Attachments on bug 223750: 146886 | 146887 | 147171 | 147179 | 147621 | 147636 | 147744 | 147966 | 148038