[MIPS] Alchemy: Fix ids in Alchemy db dma device table
0 is a valid device id (DSCR_CMD0_UART0_TX), so we can't use it to mark
an empty entry in the device table. Use ~0 instead and search for id ~0
when looking for a free entry.
Signed-off-by: Wolfgang Ocker <weo@reccoware.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c
index 428ed27..57f17b4 100644
--- a/arch/mips/au1000/common/dbdma.c
+++ b/arch/mips/au1000/common/dbdma.c
@@ -161,22 +161,22 @@
{ DSCR_CMD0_ALWAYS, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
/* Provide 16 user definable device types */
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
- { 0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
+ { ~0, 0, 0, 0, 0, 0, 0 },
};
#define DBDEV_TAB_SIZE ARRAY_SIZE(dbdev_tab)
@@ -209,7 +209,7 @@
dbdev_tab_t *p=NULL;
static u16 new_id=0x1000;
- p = find_dbdev_id(0);
+ p = find_dbdev_id(~0);
if ( NULL != p )
{
memcpy(p, dev, sizeof(dbdev_tab_t));