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authorDan Williams <dan.j.williams@intel.com>2008-04-17 20:17:26 -0700
committerDan Williams <dan.j.williams@intel.com>2008-04-17 13:25:54 -0700
commitc4fe15541d0ef5cc8cc1ce43057663851f8fc387 (patch)
treef54ffc254e1264ab7d33fe43e30078e6ecd36bd8 /include/asm-arm
parentce4d65a5db77e1568c82d5151a746f627c4f6ed5 (diff)
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 <dan.j.williams@intel.com>
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/arch-iop13xx/adma.h5
-rw-r--r--include/asm-arm/hardware/iop3xx-adma.h8
-rw-r--r--include/asm-arm/hardware/iop_adma.h2
3 files changed, 0 insertions, 15 deletions
diff --git a/include/asm-arm/arch-iop13xx/adma.h b/include/asm-arm/arch-iop13xx/adma.h
index efd9a5eb100..90d14ee564f 100644
--- a/include/asm-arm/arch-iop13xx/adma.h
+++ b/include/asm-arm/arch-iop13xx/adma.h
@@ -454,11 +454,6 @@ static inline void iop_chan_append(struct iop_adma_chan *chan)
__raw_writel(adma_accr, ADMA_ACCR(chan));
}
-static inline void iop_chan_idle(int busy, struct iop_adma_chan *chan)
-{
- do { } while (0);
-}
-
static inline u32 iop_chan_get_status(struct iop_adma_chan *chan)
{
return __raw_readl(ADMA_ACSR(chan));
diff --git a/include/asm-arm/hardware/iop3xx-adma.h b/include/asm-arm/hardware/iop3xx-adma.h
index 5c529e6a5e3..84d635b0a71 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 ca8e71f4434..cb7e3611bcb 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;
};