From c4fe15541d0ef5cc8cc1ce43057663851f8fc387 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Thu, 17 Apr 2008 20:17:26 -0700 Subject: iop-adma: remove the workaround for missed interrupts on iop3xx This workaround was covering the dependency submission bug in async_tx. Signed-off-by: Dan Williams --- include/asm-arm/hardware/iop3xx-adma.h | 8 -------- include/asm-arm/hardware/iop_adma.h | 2 -- 2 files changed, 10 deletions(-) (limited to 'include/asm-arm/hardware') diff --git a/include/asm-arm/hardware/iop3xx-adma.h b/include/asm-arm/hardware/iop3xx-adma.h index 5c529e6a5e3b..84d635b0a71a 100644 --- a/include/asm-arm/hardware/iop3xx-adma.h +++ b/include/asm-arm/hardware/iop3xx-adma.h @@ -767,20 +767,12 @@ static inline int iop_desc_get_zero_result(struct iop_adma_desc_slot *desc) static inline void iop_chan_append(struct iop_adma_chan *chan) { u32 dma_chan_ctrl; - /* workaround dropped interrupts on 3xx */ - mod_timer(&chan->cleanup_watchdog, jiffies + msecs_to_jiffies(3)); dma_chan_ctrl = __raw_readl(DMA_CCR(chan)); dma_chan_ctrl |= 0x2; __raw_writel(dma_chan_ctrl, DMA_CCR(chan)); } -static inline void iop_chan_idle(int busy, struct iop_adma_chan *chan) -{ - if (!busy) - del_timer(&chan->cleanup_watchdog); -} - static inline u32 iop_chan_get_status(struct iop_adma_chan *chan) { return __raw_readl(DMA_CSR(chan)); diff --git a/include/asm-arm/hardware/iop_adma.h b/include/asm-arm/hardware/iop_adma.h index ca8e71f44346..cb7e3611bcba 100644 --- a/include/asm-arm/hardware/iop_adma.h +++ b/include/asm-arm/hardware/iop_adma.h @@ -51,7 +51,6 @@ struct iop_adma_device { * @common: common dmaengine channel object members * @last_used: place holder for allocation to continue from where it left off * @all_slots: complete domain of slots usable by the channel - * @cleanup_watchdog: workaround missed interrupts on iop3xx * @slots_allocated: records the actual size of the descriptor slot pool * @irq_tasklet: bottom half where iop_adma_slot_cleanup runs */ @@ -65,7 +64,6 @@ struct iop_adma_chan { struct dma_chan common; struct iop_adma_desc_slot *last_used; struct list_head all_slots; - struct timer_list cleanup_watchdog; int slots_allocated; struct tasklet_struct irq_tasklet; }; -- cgit v1.2.1