/*
- * arch/arm/kernel/dma-sa1100.c
+ * arch/arm/mach-sa1100/dma.c
*
* Support functions for the SA11x0 internal DMA channels.
*
#include <asm/system.h>
#include <asm/irq.h>
-#include <asm/hardware.h>
-#include <asm/dma.h>
+#include <mach/hardware.h>
+#include <mach/dma.h>
#undef DEBUG
static sa1100_dma_t dma_chan[SA1100_DMA_CHANNELS];
-static spinlock_t dma_list_lock;
+static DEFINE_SPINLOCK(dma_list_lock);
-static irqreturn_t dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dma_irq_handler(int irq, void *dev_id)
{
dma_regs_t *dma_regs = dev_id;
sa1100_dma_t *dma = dma_chan + (((u_int)dma_regs >> 5) & 7);
/**
- * sa1100_request_dma - allocate one of the SA11x0's DMA chanels
+ * sa1100_request_dma - allocate one of the SA11x0's DMA channels
* @device: The SA11x0 peripheral targeted by this request
* @device_id: An ascii name for the claiming device
* @callback: Function to be called when the DMA completes
* address of the hardware registers for that channel as the channel
* identifier. This identifier is written to the location pointed by
* @dma_regs. The list of possible values for @device are listed into
- * linux/include/asm-arm/arch-sa1100/dma.h as a dma_device_t enum.
+ * arch/arm/mach-sa1100/include/mach/dma.h as a dma_device_t enum.
*
* Note that reading from a port and writing to the same port are
* actually considered as two different streams requiring separate
}
}
if (!err) {
- if (dma)
- dma->device = device;
- else
- err = -ENOSR;
+ if (dma)
+ dma->device = device;
+ else
+ err = -ENOSR;
}
spin_unlock(&dma_list_lock);
if (err)
if (err) {
printk(KERN_ERR
"%s: unable to request IRQ %d for %s\n",
- __FUNCTION__, IRQ_DMA0 + i, device_id);
+ __func__, IRQ_DMA0 + i, device_id);
dma->device = 0;
return err;
}
if (regs == (dma_regs_t *)&DDAR(i))
break;
if (i >= SA1100_DMA_CHANNELS) {
- printk(KERN_ERR "%s: bad DMA identifier\n", __FUNCTION__);
+ printk(KERN_ERR "%s: bad DMA identifier\n", __func__);
return;
}
if (!dma_chan[i].device) {
- printk(KERN_ERR "%s: Trying to free free DMA\n", __FUNCTION__);
+ printk(KERN_ERR "%s: Trying to free free DMA\n", __func__);
return;
}
if (regs == (dma_regs_t *)&DDAR(i))
break;
if (i >= SA1100_DMA_CHANNELS) {
- printk(KERN_ERR "%s: bad DMA identifier\n", __FUNCTION__);
+ printk(KERN_ERR "%s: bad DMA identifier\n", __func__);
return;
}