X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fpci%2Fops-au1000.c;h=8ae46481fcb720d98b608b5adea07458396ae59d;hb=refs%2Fheads%2Fvserver;hp=b921cc6b306d628e56113b02903c9e00d3d71e83;hpb=9213980e6a70d8473e0ffd4b39ab5b6caaba9ff5;p=linux-2.6.git

diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c
index b921cc6b3..8ae46481f 100644
--- a/arch/mips/pci/ops-au1000.c
+++ b/arch/mips/pci/ops-au1000.c
@@ -28,7 +28,6 @@
  *  with this program; if not, write  to the Free Software Foundation, Inc.,
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
@@ -50,11 +49,6 @@
 
 int (*board_pci_idsel)(unsigned int devsel, int assert);
 
-/* CP0 hazard avoidance. */
-#define BARRIER __asm__ __volatile__(".set noreorder\n\t" \
-				     "nop; nop; nop; nop;\t" \
-				     ".set reorder\n\t")
-
 void mod_wired_entry(int entry, unsigned long entrylo0,
 		unsigned long entrylo1, unsigned long entryhi,
 		unsigned long pagemask)
@@ -66,16 +60,12 @@ void mod_wired_entry(int entry, unsigned long entrylo0,
 	old_ctx = read_c0_entryhi() & 0xff;
 	old_pagemask = read_c0_pagemask();
 	write_c0_index(entry);
-	BARRIER;
 	write_c0_pagemask(pagemask);
 	write_c0_entryhi(entryhi);
 	write_c0_entrylo0(entrylo0);
 	write_c0_entrylo1(entrylo1);
-	BARRIER;
 	tlb_write_indexed();
-	BARRIER;
 	write_c0_entryhi(old_ctx);
-	BARRIER;
 	write_c0_pagemask(old_pagemask);
 }
 
@@ -120,7 +110,7 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
 	if (first_cfg) {
 		/* reserve a wired entry for pci config accesses */
 		first_cfg = 0;
-		pci_cfg_vm = get_vm_area(0x2000, 0);
+		pci_cfg_vm = get_vm_area(0x2000, VM_IOREMAP);
 		if (!pci_cfg_vm)
 			panic (KERN_ERR "PCI unable to get vm area\n");
 		pci_cfg_wired_entry = read_c0_wired();
@@ -128,9 +118,8 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
 		last_entryLo0  = last_entryLo1 = 0xffffffff;
 	}
 
-	/* Since the Au1xxx doesn't do the idsel timing exactly to spec,
-	 * many board vendors implement their own off-chip idsel, so call
-	 * it now.  If it doesn't succeed, may as well bail out at this point.
+	/* Allow board vendors to implement their own off-chip idsel.
+	 * If it doesn't succeed, may as well bail out at this point.
 	 */
 	if (board_pci_idsel) {
 		if (board_pci_idsel(device, 1) == 0) {
@@ -288,10 +277,18 @@ static int config_read(struct pci_bus *bus, unsigned int devfn,
 		       int where, int size, u32 * val)
 {
 	switch (size) {
-	case 1:
-		return read_config_byte(bus, devfn, where, (u8 *) val);
-	case 2:
-		return read_config_word(bus, devfn, where, (u16 *) val);
+	case 1: {
+			u8 _val;
+			int rc = read_config_byte(bus, devfn, where, &_val);
+			*val = _val;
+			return rc;
+		}
+       case 2: {
+			u16 _val;
+			int rc = read_config_word(bus, devfn, where, &_val);
+			*val = _val;
+			return rc;
+		}
 	default:
 		return read_config_dword(bus, devfn, where, val);
 	}