On Thu, 03 Dec 2015 12:01:58 +0100, Mark Brown wrote: > > On Thu, Dec 03, 2015 at 10:41:38AM +0100, Takashi Iwai wrote: > > > While reading this patch, I wondered how regmap can be used safely in > > an irq-disabled context. Mark, do we have any API for that? > > We can use user supplied locks or spin_lock_irqsave(). I meant how to guarantee to make regmap_read() working in an already spin-locked context, typically in an irq handler? regmap_read() involves with the regcache and it may invoke kmalloc(). Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
