MIPS: Malta: Move PIIX4 PCI fixup to where it belongs.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

MIPS: Malta: Move PIIX4 PCI fixup to where it belongs.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle
1 parent f7257d38eb
Showing 1 changed file with 14 additions and 0 deletions Side-by-side Diff
arch/mips/pci/fixup-malta.c
@@ -101,4 +101,18 @@
  
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB,
 	 malta_piix_func1_fixup);
+
+/* Enable PCI 2.1 compatibility in PIIX4 */
+static void __devinit quirk_dlcsetup(struct pci_dev *dev)
+{
+	u8 odlc, ndlc;
+
+	(void) pci_read_config_byte(dev, 0x82, &odlc);
+	/* Enable passive releases and delayed transaction */
+	ndlc = odlc | 7;
+	(void) pci_write_config_byte(dev, 0x82, ndlc);
+}
+
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_0,
+	quirk_dlcsetup);
...	...	@@ -101,4 +101,18 @@
101	101
102	102	DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB,
103	103	malta_piix_func1_fixup);
	104	+
	105	+/* Enable PCI 2.1 compatibility in PIIX4 */
	106	+static void __devinit quirk_dlcsetup(struct pci_dev *dev)
	107	+{
	108	+ u8 odlc, ndlc;
	109	+
	110	+ (void) pci_read_config_byte(dev, 0x82, &odlc);
	111	+ /* Enable passive releases and delayed transaction */
	112	+ ndlc = odlc \| 7;
	113	+ (void) pci_write_config_byte(dev, 0x82, ndlc);
	114	+}
	115	+
	116	+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_0,
	117	+ quirk_dlcsetup);