Commit 0ec734c2 authored by Wolfgang Ocker's avatar Wolfgang Ocker Committed by Ralf Baechle
Browse files

[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: default avatarWolfgang Ocker <weo@reccoware.de>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent baadac8b

arch/mips/au1000/common/dbdma.c

+17 −17
Original line number Diff line number Diff line
@@ -161,22 +161,22 @@ static dbdev_tab_t dbdev_tab[] = { 
	{ 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 @@ au1xxx_ddma_add_device(dbdev_tab_t *dev) 
	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));

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