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Commit 8cfaf453 authored by Giuseppe Sacco's avatar Giuseppe Sacco Committed by Ralf Baechle
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[MIPS] IP32: Enable PCI bridges 



Fixe MACE PCI addressing by adding the bus number parameter.
Remove check of the used slot since every slot should be valid.
Converted mkaddr from #define to inline function.

Signed-off-by: default avatarGiuseppe Sacco <eppesuig@debian.org>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 804b3f9a

arch/mips/pci/ops-mace.c

+9 −12
Original line number Diff line number Diff line
@@ -29,22 +29,20 @@ 
 * 4  N/C

 */



#define chkslot(_bus,_devfn)					\

do {							        \

	if ((_bus)->number > 0 || PCI_SLOT (_devfn) < 1	\

	    || PCI_SLOT (_devfn) > 3)			        \

		return PCIBIOS_DEVICE_NOT_FOUND;		\

} while (0)

static inline int mkaddr(struct pci_bus *bus, unsigned int devfn,

	unsigned int reg)

{

	return ((bus->number & 0xff) << 16) |

		(devfn & 0xff) << 8) |

		(reg & 0xfc);

}



#define mkaddr(_devfn, _reg) \

((((_devfn) & 0xffUL) << 8) | ((_reg) & 0xfcUL))



static int

mace_pci_read_config(struct pci_bus *bus, unsigned int devfn,

		     int reg, int size, u32 *val)

{

	chkslot(bus, devfn);

	mace->pci.config_addr = mkaddr(devfn, reg);

	mace->pci.config_addr = mkaddr(bus, devfn, reg);

	switch (size) {

	case 1:

		*val = mace->pci.config_data.b[(reg & 3) ^ 3];
@@ -66,8 +64,7 @@ static int 
mace_pci_write_config(struct pci_bus *bus, unsigned int devfn,

		      int reg, int size, u32 val)

{

	chkslot(bus, devfn);

	mace->pci.config_addr = mkaddr(devfn, reg);

	mace->pci.config_addr = mkaddr(bus, devfn, reg);

	switch (size) {

	case 1:

		mace->pci.config_data.b[(reg & 3) ^ 3] = val;