Re: [PATCH] ppc32: reorg DMA API, add coherent alloc in irq

[Eugene Surovegin]

On Sun, May 30, 2004 at 02:28:35PM +0200, Arjan van de Ven wrote:
> On Sat, 2004-05-29 at 19:56, Linux Kernel Mailing List wrote:
> > ChangeSet 1.1770, 2004/05/29 10:56:14-07:00, akpm@xxxxxxxx
> > 
> > 	[PATCH] ppc32: reorg DMA API, add coherent alloc in irq
> > 	
> > 	From: Matt Porter <mporter@xxxxxxxxxxxxxxxxxxx>
> 
> this breaks the acenic driver:
> 
> In file included from drivers/net/acenic.c:186:
> drivers/net/acenic.h:598: error: syntax error before
> "DECLARE_PCI_UNMAP_ADDR"

[snip]

This patch should help.

PPC32: Put back DECLARE_PCI_UNMAP_??? and friends accidentaly removed during DMA 
API reorganization.

Signed-off-by: Eugene Surovegin <ebs@xxxxxxxxxxx>

===== include/asm-ppc/pci.h 1.28 vs edited =====
--- 1.28/include/asm-ppc/pci.h	Sat May 29 00:26:35 2004
+++ edited/include/asm-ppc/pci.h	Sun May 30 11:03:59 2004
@@ -61,6 +61,14 @@
  */
 #define PCI_DMA_BUS_IS_PHYS     (1)
 
+/* pci_unmap_{page,single} is a nop so... */
+#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
+#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
+#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
+#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
+#define pci_unmap_len(PTR, LEN_NAME)		(0)
+#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
+
 /*
  * At present there are very few 32-bit PPC machines that can have
  * memory above the 4GB point, and we don't support that.


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