From: Ralf Baechle The third argument of au1xxx_dbdma_chan_alloc's callback function is not used anywhere. Signed-off-by: Ralf Baechle Cc: David Howells Cc: Russell King Cc: Alan Cox Signed-off-by: Andrew Morton --- arch/mips/au1000/common/dbdma.c | 10 ++++++---- drivers/ide/mips/au1xxx-ide.c | 4 ++-- drivers/mmc/au1xmmc.c | 2 +- include/asm-mips/mach-au1x00/au1xxx_dbdma.h | 6 +++--- sound/oss/au1550_ac97.c | 6 ++---- 5 files changed, 14 insertions(+), 14 deletions(-) diff -puN arch/mips/au1000/common/dbdma.c~alchemy-delete-unused-pt_regs-argument-from-au1xxx_dbdma_chan_alloc arch/mips/au1000/common/dbdma.c --- a/arch/mips/au1000/common/dbdma.c~alchemy-delete-unused-pt_regs-argument-from-au1xxx_dbdma_chan_alloc +++ a/arch/mips/au1000/common/dbdma.c @@ -230,7 +230,7 @@ EXPORT_SYMBOL(au1xxx_ddma_add_device); */ 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; @@ -248,8 +248,10 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 d 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; @@ -869,7 +871,7 @@ dbdma_interrupt(int irq, void *dev_id, s 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); diff -puN drivers/ide/mips/au1xxx-ide.c~alchemy-delete-unused-pt_regs-argument-from-au1xxx_dbdma_chan_alloc drivers/ide/mips/au1xxx-ide.c --- a/drivers/ide/mips/au1xxx-ide.c~alchemy-delete-unused-pt_regs-argument-from-au1xxx_dbdma_chan_alloc +++ a/drivers/ide/mips/au1xxx-ide.c @@ -476,13 +476,13 @@ static int auide_dma_lostirq(ide_drive_t 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; diff -puN drivers/mmc/au1xmmc.c~alchemy-delete-unused-pt_regs-argument-from-au1xxx_dbdma_chan_alloc drivers/mmc/au1xmmc.c --- a/drivers/mmc/au1xmmc.c~alchemy-delete-unused-pt_regs-argument-from-au1xxx_dbdma_chan_alloc +++ a/drivers/mmc/au1xmmc.c @@ -731,7 +731,7 @@ static void au1xmmc_set_ios(struct mmc_h } } -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; diff -puN include/asm-mips/mach-au1x00/au1xxx_dbdma.h~alchemy-delete-unused-pt_regs-argument-from-au1xxx_dbdma_chan_alloc include/asm-mips/mach-au1x00/au1xxx_dbdma.h --- a/include/asm-mips/mach-au1x00/au1xxx_dbdma.h~alchemy-delete-unused-pt_regs-argument-from-au1xxx_dbdma_chan_alloc +++ a/include/asm-mips/mach-au1x00/au1xxx_dbdma.h @@ -316,7 +316,7 @@ typedef struct dbdma_chan_config { 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) @@ -334,8 +334,8 @@ typedef struct dbdma_chan_config { * 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 diff -puN sound/oss/au1550_ac97.c~alchemy-delete-unused-pt_regs-argument-from-au1xxx_dbdma_chan_alloc sound/oss/au1550_ac97.c --- a/sound/oss/au1550_ac97.c~alchemy-delete-unused-pt_regs-argument-from-au1xxx_dbdma_chan_alloc +++ a/sound/oss/au1550_ac97.c @@ -719,8 +719,7 @@ prog_dmabuf_dac(struct au1550_state *s) } -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; @@ -754,8 +753,7 @@ dac_dma_interrupt(int irq, void *dev_id, } -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; _