* The function setups DMA channel source and destination addresses for transfer
* specified by provided parameters. The scatter-gather emulation is disabled,
* because linear data block
- * form the physical address range is transfered.
+ * form the physical address range is transferred.
* Return value: if incorrect parameters are provided -%EINVAL.
* Zero indicates success.
*/
* @dmamode: DMA transfer mode, %DMA_MODE_READ from the device to the memory
* or %DMA_MODE_WRITE from memory to the device
*
- * The function setups DMA channel state and registers to be ready for transfer
+ * The function sets up DMA channel state and registers to be ready for transfer
* specified by provided parameters. The scatter-gather emulation is set up
* according to the parameters.
*
*
* %CCR_SMOD_LINEAR | %CCR_SSIZ_32 | %CCR_DMOD_FIFO | %CCR_DSIZ_x
*
- * Be carefull there and do not mistakenly mix source and target device
+ * Be careful here and do not mistakenly mix source and target device
* port sizes constants, they are really different:
* %CCR_SSIZ_8, %CCR_SSIZ_16, %CCR_SSIZ_32,
* %CCR_DSIZ_8, %CCR_DSIZ_16, %CCR_DSIZ_32
*/
int
imx_dma_setup_handlers(imx_dmach_t dma_ch,
- void (*irq_handler) (int, void *, struct pt_regs *),
- void (*err_handler) (int, void *, struct pt_regs *, int),
+ void (*irq_handler) (int, void *),
+ void (*err_handler) (int, void *, int),
void *data)
{
struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
return -ENODEV;
}
-static irqreturn_t dma_err_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dma_err_handler(int irq, void *dev_id)
{
int i, disr = DISR;
struct imx_dma_channel *channel;
/*
* The cleaning of @sg field would be questionable
* there, because its value can help to compute
- * remaining/transfered bytes count in the handler
+ * remaining/transferred bytes count in the handler
*/
/*imx_dma_channels[i].sg = NULL;*/
if (channel->name && channel->err_handler) {
- channel->err_handler(i, channel->data, regs, errcode);
+ channel->err_handler(i, channel->data, errcode);
continue;
}
return IRQ_HANDLED;
}
-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)
{
int i, disr = DISR;
} else {
if (channel->irq_handler)
channel->irq_handler(i,
- channel->data, regs);
+ channel->data);
}
} else {
/*