Messages in this thread | | | Date | Mon, 6 May 2019 13:49:16 +0900 | From | Mark Brown <> | Subject | Re: [PATCH V3 3/9] spi: add SPI_LSBYTE_FIRST mode |
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On Sat, Apr 27, 2019 at 12:32:58AM +0000, Sowjanya Komatineni wrote: > > On Mon, Apr 15, 2019 at 02:30:28PM -0700, Sowjanya Komatineni wrote:
> > This is byte ordering as opposed to bit ordering which the core > > already supports. Do you have any examples of devices that need > > this or is it just being added for completeness? If devices are > > going to rely on this we probably need emulation > support in the > > core I guess given that this is a pretty unusual controller feature.
> Current upstream platforms have no specific device requirement but > added this feature as Tegra support it for specific requirements of > some slaves.
Do we have any examples of such devices? In any case I think the main thing here would be a software implementation of the feature so that drivers can use it sensibly - at the minute they'd have to provide code to work without the feature anyway and it seems like a relatively small optimization for most things.
> [Changed mail client message format word wrap limit to 74 columns]
It's not working, and it's also mangling quoted sections of the mail too. [unhandled content-type:application/pgp-signature] | |