> -----Original Message-----
> From: Shubhrajyoti Datta [mailto:[email protected]]
> Sent: Monday, June 15, 2015 8:35 PM
> To: Punnaiah Choudary Kalluri
> Cc: [email protected]; [email protected]; [email protected];
> [email protected]; Kumar Gala; Michal Simek; Soren Brinkmann;
> [email protected]; [email protected];
> [email protected]; Linux Kernel Mailing List; [email protected];
> [email protected]; [email protected];
> Punnaiah Choudary Kalluri; [email protected]
> Subject: Re: [PATCH v2 2/2] dma: Add Xilinx zynqmp dma engine driver
> support
>
> On Mon, Jun 15, 2015 at 8:06 PM, Punnaiah Choudary Kalluri
> <[email protected]> wrote:
> > Added the basic driver for zynqmp dma engine used in Zynq
> > UltraScale+ MPSoC. The initial release of this driver supports
> > only memory to memory transfers.
> >
> > Signed-off-by: Punnaiah Choudary Kalluri <[email protected]>
> > ---
> <snip>
>
> > +/**
> > + * zynqmp_dma_chan_is_idle - Provides the channel idle status
> > + * @chan: ZynqMP DMA DMA channel pointer
> > + *
> > + * Return: '1' if the channel is idle otherwise '0'
> > + */
> > +static int zynqmp_dma_chan_is_idle(struct zynqmp_dma_chan *chan)
>
> maybe this could return bool.
Ok. I will modify the return type.
Regards,
Punnaiah
>
> > +{
> > + u32 regval;
> > +
> > + regval = readl(chan->regs + STATUS);
> > + if (regval & STATUS_BUSY)
> > + return 0;
> > +
> > + return 1;
> > +}
> > +