On Mon, May 25, 2020 at 03:12:05PM +0200, Marc Kleine-Budde wrote:
> On 5/25/20 2:57 PM, Mark Brown wrote:
> > On Mon, May 25, 2020 at 02:41:31PM +0200, Marc Kleine-Budde wrote:
> >> On 5/25/20 1:31 PM, Mark Brown wrote:
> >> The core could merge several half duplex transfers (until there's as
>
On 5/25/20 2:57 PM, Mark Brown wrote:
> On Mon, May 25, 2020 at 02:41:31PM +0200, Marc Kleine-Budde wrote:
>> On 5/25/20 1:31 PM, Mark Brown wrote:
>
>>> This isn't something that every individual driver should be doing, such
>>> rewriting should happen in the core so that everything sees the bene
On Mon, May 25, 2020 at 02:41:31PM +0200, Marc Kleine-Budde wrote:
> On 5/25/20 1:31 PM, Mark Brown wrote:
> > This isn't something that every individual driver should be doing, such
> > rewriting should happen in the core so that everything sees the benefit.
> The core could merge several half d
On 5/25/20 1:31 PM, Mark Brown wrote:
>>> Should I be submitting this patch with logic that only does
>>> half-duplex if the spi controller doesn't support it (if
>>> (spi->controller->flags & SPI_CONTROLLER_HALF_DUPLEX)) or is it
>>> acceptable to simply make the driver half-duplex like this for a
On Mon, May 25, 2020 at 01:17:01PM +0200, Marc Kleine-Budde wrote:
> On 5/21/20 10:19 PM, Tim Harvey wrote:
>
> > Should I be submitting this patch with logic that only does
> > half-duplex if the spi controller doesn't support it (if
> > (spi->controller->flags & SPI_CONTROLLER_HALF_DUPLEX)) or
On 5/21/20 10:19 PM, Tim Harvey wrote:
> On Wed, Feb 26, 2020 at 2:19 AM Marc Kleine-Budde wrote:
> Sorry for the long delay... I'm finally getting back to this issue.
>
> I'm told by Marvell/Cavium that the OcteonTX SPI hardware does not
> support full duplex although I don't see this in any of
On Thu, May 21, 2020 at 01:19:16PM -0700, Tim Harvey wrote:
> Should I be submitting this patch with logic that only does
> half-duplex if the spi controller doesn't support it (if
> (spi->controller->flags & SPI_CONTROLLER_HALF_DUPLEX)) or is it
> acceptable to simply make the driver half-duplex
On Wed, Feb 26, 2020 at 2:19 AM Marc Kleine-Budde wrote:
>
> On 2/26/20 8:37 AM, Marc Kleine-Budde wrote:
> >> Your right... there is the mcp251x_hw_rx_frame() call that also uses
> >> spi_rx_buf after a synchronous transfer (I didn't see any others).
> >> I'll look at this again.
> >
> > Have you
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