[PATCH] Alchemy: Delete unused pt_regs * argument from au1xxx_dbdma_chan_alloc

The third argument of au1xxx_dbdma_chan_alloc's callback function is not
used anywhere.

Signed-off-by: Ralf Baechle <[e-mail]>
Cc: David Howells <[e-mail]>
Cc: Russell King <[e-mail]>
Cc: Alan Cox <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/mips/au1000/common/dbdma.c

···
 */
 u32
 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
-       void (*callback)(int, void *, struct pt_regs *), void *callparam)
+       void (*callback)(int, void *), void *callparam)
 {
 	unsigned long   flags;
 	u32		used, chan, rv;
···
 		au1xxx_dbdma_init();
 	dbdma_initialized = 1;
 
-	if ((stp = find_dbdev_id(srcid)) == NULL) return 0;
-	if ((dtp = find_dbdev_id(destid)) == NULL) return 0;
+	if ((stp = find_dbdev_id(srcid)) == NULL)
+		return 0;
+	if ((dtp = find_dbdev_id(destid)) == NULL)
+		return 0;
 
 	used = 0;
 	rv = 0;
···
 	au_sync();
 
 	if (ctp->chan_callback)
-		(ctp->chan_callback)(irq, ctp->chan_callparam, regs);
+		(ctp->chan_callback)(irq, ctp->chan_callparam);
 
 	ctp->cur_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
 	return IRQ_RETVAL(1);

drivers/ide/mips/au1xxx-ide.c

···
 	return 0;
 }
 
-static void auide_ddma_tx_callback(int irq, void *param, struct pt_regs *regs)
+static void auide_ddma_tx_callback(int irq, void *param)
 {
 	_auide_hwif *ahwif = (_auide_hwif*)param;
 	ahwif->drive->waiting_for_dma = 0;
 }
 
-static void auide_ddma_rx_callback(int irq, void *param, struct pt_regs *regs)
+static void auide_ddma_rx_callback(int irq, void *param)
 {
 	_auide_hwif *ahwif = (_auide_hwif*)param;
 	ahwif->drive->waiting_for_dma = 0;

drivers/mmc/au1xmmc.c

···
 	}
 }
 
-static void au1xmmc_dma_callback(int irq, void *dev_id, struct pt_regs *regs)
+static void au1xmmc_dma_callback(int irq, void *dev_id)
 {
 	struct au1xmmc_host *host = (struct au1xmmc_host *) dev_id;
 

include/asm-mips/mach-au1x00/au1xxx_dbdma.h

···
 	au1x_ddma_desc_t	*chan_desc_base;
 	au1x_ddma_desc_t	*get_ptr, *put_ptr, *cur_ptr;
 	void			*chan_callparam;
-	void (*chan_callback)(int, void *, struct pt_regs *);
+	void (*chan_callback)(int, void *);
 } chan_tab_t;
 
 #define DEV_FLAGS_INUSE		(1 << 0)
···
  * meaningful name.  The 'callback' is called during dma completion
  * interrupt.
  */
-u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
-       void (*callback)(int, void *, struct pt_regs *), void *callparam);
+extern u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
+	void (*callback)(int, void *), void *callparam);
 
 #define DBDMA_MEM_CHAN	DSCR_CMD0_ALWAYS
 

sound/oss/au1550_ac97.c

···
 }
 
 
-static void
-dac_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static void dac_dma_interrupt(int irq, void *dev_id)
 {
 	struct au1550_state *s = (struct au1550_state *) dev_id;
 	struct dmabuf  *db = &s->dma_dac;
···
 }
 
 
-static void
-adc_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static void adc_dma_interrupt(int irq, void *dev_id)
 {
 	struct	au1550_state *s = (struct au1550_state *)dev_id;
 	struct	dmabuf  *dp = &s->dma_adc;