Re: [PATCH 2/2] spi: spi-qcom-qspi: Add DMA mode support

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On Wed, Apr 12, 2023 at 08:59:06PM +0530, Vijaya Krishna Nivarthi wrote:
> On 4/6/2023 8:58 PM, Mark Brown wrote:

> > > > > +	if (ctrl->xfer.dir == QSPI_READ)
> > > > > +		byte_ptr = (uint8_t *)xfer->rx_buf;
> > > > > +	else
> > > > > +		byte_ptr = (uint8_t *)xfer->tx_buf;
> > > > If we need to cast to or from void * there's some sort of problem.
> > > the tx_buf is a const void*
> > > in v2 I will cast for tx_buf only?

> > Or just keep byte_ptr as const - we're not modifying it are we?

> We are modifying it, hence did cast for tx_buf only

If it's being modified won't that upset the callers that thought it was
const and didn't expect the data to change?

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