On Mon, Jun 15, 2020 at 02:53:29PM +0000, Robin Gong wrote: > On 2020/06/15 22:36 Mark Brown <broonie@xxxxxxxxxx> wrote: > > We could also pass in a flag that could be set separately to the error code to > > indicate that nothing had happened to the hardware yet. > Do you mean spi-imx.c checking 'ctlr->flags' before return such error code? > Or just like below done in spi.c. No, I mean passing in an additional argument which can provide richer data than trying to smash things into the return value.
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