Serge Semin writes:
> On Wed, May 13, 2020 at 04:00:22PM +0200, Lars Povlsen wrote:
>> With this change a SPI controller can be added without having a IRQ
>> associated, and causing all transfers to be polled. For SPI controllers
>> without DMA, this can significantly improve performance by
On Wed, May 13, 2020 at 04:00:22PM +0200, Lars Povlsen wrote:
> With this change a SPI controller can be added without having a IRQ
> associated, and causing all transfers to be polled. For SPI controllers
> without DMA, this can significantly improve performance by less
> interrupt handling
Andy Shevchenko writes:
> On Wed, May 13, 2020 at 5:03 PM Lars Povlsen
> wrote:
>>
>> With this change a SPI controller can be added without having a IRQ
>> associated, and causing all transfers to be polled. For SPI controllers
>> without DMA, this can significantly improve performance by
On 13/05/20 15:37, Mark Brown wrote:
> Date: Wed, 13 May 2020 15:37:53 +0100
> From: Mark Brown
> To: Lars Povlsen
> Cc: SoC Team , Microchip Linux Driver Support
> , linux-...@vger.kernel.org,
> devicet...@vger.kernel.org, linux-kernel@vger.kernel.org,
> linux-arm-ker...@lists.infradead.org,
Serge Semin writes:
> Hi Mark
>
> On Wed, May 13, 2020 at 03:20:50PM +0100, Mark Brown wrote:
>> On Wed, May 13, 2020 at 04:00:22PM +0200, Lars Povlsen wrote:
>> > With this change a SPI controller can be added without having a IRQ
>> > associated, and causing all transfers to be polled. For
Hi Mark
On Wed, May 13, 2020 at 03:20:50PM +0100, Mark Brown wrote:
> On Wed, May 13, 2020 at 04:00:22PM +0200, Lars Povlsen wrote:
> > With this change a SPI controller can be added without having a IRQ
> > associated, and causing all transfers to be polled. For SPI controllers
> > without DMA,
On Wed, May 13, 2020 at 5:03 PM Lars Povlsen wrote:
>
> With this change a SPI controller can be added without having a IRQ
> associated, and causing all transfers to be polled. For SPI controllers
> without DMA, this can significantly improve performance by less
> interrupt handling overhead.
With this change a SPI controller can be added without having a IRQ
associated, and causing all transfers to be polled. For SPI controllers
without DMA, this can significantly improve performance by less
interrupt handling overhead.
Reviewed-by: Alexandre Belloni
Signed-off-by: Lars Povlsen
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