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path: root/target/linux/realtek/patches-2.6.30/0002-rsdk-drivers-pci.patch
blob: 786ddc15a76518512e2336c2e52b2a216938f6c7 (plain)
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--- linux-2.6.30.9/drivers/pci/access.c	2009-10-05 18:38:08.000000000 +0300
+++ linux-2.6.30.9-rsdk/drivers/pci/access.c	2013-05-02 01:47:54.647226984 +0300
@@ -38,6 +38,46 @@ int pci_bus_read_config_##size \
 	spin_unlock_irqrestore(&pci_lock, flags);			\
 	return res;							\
 }
+#ifdef CONFIG_RTL8198_REVISION_B
+int pci_bus_read_config_word
+	(struct pci_bus *bus, unsigned int devfn, int pos, u16 *value)
+{									
+	int res;							
+	unsigned long flags;						
+	u32 data = 0;							
+	if (PCI_word_BAD) return PCIBIOS_BAD_REGISTER_NUMBER;	
+	spin_lock_irqsave(&pci_lock, flags);	
+
+	int swap[4]={0,8,16,24};	int diff = pos&0x3;
+	res = bus->ops->read(bus, devfn, (pos&0xFFFFC), 4, &data);	
+	*value =(u16)( (data>>(swap[diff]))&0xffff);
+
+
+	
+	
+	//*value = (type)data;						
+	spin_unlock_irqrestore(&pci_lock, flags);			
+	return res;							
+}
+int pci_bus_read_config_byte
+	(struct pci_bus *bus, unsigned int devfn, int pos, u8 *value)
+{									
+	int res;							
+	unsigned long flags;						
+	u32 data = 0;							
+	if (PCI_word_BAD) return PCIBIOS_BAD_REGISTER_NUMBER;	
+	spin_lock_irqsave(&pci_lock, flags);	
+
+	int swap[4]={0,8,16,24};	int diff = pos&0x3;
+	res = bus->ops->read(bus, devfn, (pos&0xFFFFC), 4, &data);	
+	*value =(u8)( (data>>(swap[diff]))&0xff);
+	//*value = (type)data;						
+	spin_unlock_irqrestore(&pci_lock, flags);			
+	return res;							
+}
+
+#endif
+
 
 #define PCI_OP_WRITE(size,type,len) \
 int pci_bus_write_config_##size \
@@ -52,8 +92,11 @@ int pci_bus_write_config_##size \
 	return res;							\
 }
 
+#ifndef CONFIG_RTL8198_REVISION_B
 PCI_OP_READ(byte, u8, 1)
+
 PCI_OP_READ(word, u16, 2)
+#endif
 PCI_OP_READ(dword, u32, 4)
 PCI_OP_WRITE(byte, u8, 1)
 PCI_OP_WRITE(word, u16, 2)