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alistair23-linux
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Merge branch 'topic/ste' into for-linus

hifive-unleashed-5.1
Vinod Koul 2018-08-17 17:58:50 +05:30
parent 89b7e78fb2 90ec93cb6b
commit de764fdc9b
3 changed files with 19 additions and 8 deletions
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15
drivers/dma/ste_dma40.c
View File

@ -555,6 +555,7 @@ struct d40_gen_dmac {
* @reg_val_backup_v4: Backup of registers that only exits on dma40 v3 and
* later
* @reg_val_backup_chan: Backup data for standard channel parameter registers.
* @regs_interrupt: Scratch space for registers during interrupt.
* @gcc_pwr_off_mask: Mask to maintain the channels that can be turned off.
* @gen_dmac: the struct for generic registers values to represent u8500/8540
* DMA controller
@ -592,6 +593,7 @@ struct d40_base {
u32 reg_val_backup[BACKUP_REGS_SZ];
u32 reg_val_backup_v4[BACKUP_REGS_SZ_MAX];
u32 *reg_val_backup_chan;
u32 *regs_interrupt;
u16 gcc_pwr_off_mask;
struct d40_gen_dmac gen_dmac;
};
@ -1637,7 +1639,7 @@ static irqreturn_t d40_handle_interrupt(int irq, void *data)
struct d40_chan *d40c;
unsigned long flags;
struct d40_base *base = data;
u32 regs[base->gen_dmac.il_size];
u32 *regs = base->regs_interrupt;
struct d40_interrupt_lookup *il = base->gen_dmac.il;
u32 il_size = base->gen_dmac.il_size;
@ -3258,13 +3260,22 @@ static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
if (!base->lcla_pool.alloc_map)
goto free_backup_chan;
base->regs_interrupt = kmalloc_array(base->gen_dmac.il_size,
sizeof(*base->regs_interrupt),
GFP_KERNEL);
if (!base->regs_interrupt)
goto free_map;
base->desc_slab = kmem_cache_create(D40_NAME, sizeof(struct d40_desc),
0, SLAB_HWCACHE_ALIGN,
NULL);
if (base->desc_slab == NULL)
goto free_map;
goto free_regs;
return base;
free_regs:
kfree(base->regs_interrupt);
free_map:
kfree(base->lcla_pool.alloc_map);
free_backup_chan:

4
drivers/dma/stm32-dma.c
View File

@ -594,7 +594,7 @@ static void stm32_dma_start_transfer(struct stm32_dma_chan *chan)
chan->busy = true;
dev_dbg(chan2dev(chan), "vchan %p: started\n", &chan->vchan);
dev_dbg(chan2dev(chan), "vchan %pK: started\n", &chan->vchan);
}
static void stm32_dma_configure_next_sg(struct stm32_dma_chan *chan)
@ -693,7 +693,7 @@ static void stm32_dma_issue_pending(struct dma_chan *c)
spin_lock_irqsave(&chan->vchan.lock, flags);
if (vchan_issue_pending(&chan->vchan) && !chan->desc && !chan->busy) {
dev_dbg(chan2dev(chan), "vchan %p: issued\n", &chan->vchan);
dev_dbg(chan2dev(chan), "vchan %pK: issued\n", &chan->vchan);
stm32_dma_start_transfer(chan);
}

8
drivers/dma/stm32-mdma.c
View File

@ -1170,7 +1170,7 @@ static void stm32_mdma_start_transfer(struct stm32_mdma_chan *chan)
chan->busy = true;
dev_dbg(chan2dev(chan), "vchan %p: started\n", &chan->vchan);
dev_dbg(chan2dev(chan), "vchan %pK: started\n", &chan->vchan);
}
static void stm32_mdma_issue_pending(struct dma_chan *c)
@ -1183,7 +1183,7 @@ static void stm32_mdma_issue_pending(struct dma_chan *c)
if (!vchan_issue_pending(&chan->vchan))
goto end;
dev_dbg(chan2dev(chan), "vchan %p: issued\n", &chan->vchan);
dev_dbg(chan2dev(chan), "vchan %pK: issued\n", &chan->vchan);
if (!chan->desc && !chan->busy)
stm32_mdma_start_transfer(chan);
@ -1203,7 +1203,7 @@ static int stm32_mdma_pause(struct dma_chan *c)
spin_unlock_irqrestore(&chan->vchan.lock, flags);
if (!ret)
dev_dbg(chan2dev(chan), "vchan %p: pause\n", &chan->vchan);
dev_dbg(chan2dev(chan), "vchan %pK: pause\n", &chan->vchan);
return ret;
}
@ -1240,7 +1240,7 @@ static int stm32_mdma_resume(struct dma_chan *c)
spin_unlock_irqrestore(&chan->vchan.lock, flags);
dev_dbg(chan2dev(chan), "vchan %p: resume\n", &chan->vchan);
dev_dbg(chan2dev(chan), "vchan %pK: resume\n", &chan->vchan);
return 0;
}