[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>
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@ -161,22 +161,22 @@ static dbdev_tab_t dbdev_tab[] = {
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{ DSCR_CMD0_ALWAYS, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
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/* Provide 16 user definable device types */
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ 0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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{ ~0, 0, 0, 0, 0, 0, 0 },
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};
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#define DBDEV_TAB_SIZE ARRAY_SIZE(dbdev_tab)
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@ -209,7 +209,7 @@ au1xxx_ddma_add_device(dbdev_tab_t *dev)
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dbdev_tab_t *p=NULL;
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static u16 new_id=0x1000;
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p = find_dbdev_id(0);
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p = find_dbdev_id(~0);
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if ( NULL != p )
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{
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memcpy(p, dev, sizeof(dbdev_tab_t));
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