Hi, Richard Zhao writes: > device_prep_dma_cyclic may be call in audio trigger function which is > atomic context, so we make it atomic too. > > - change channel0 lock to spinlock. > - Use polling to wait for channel0 finish running. > > Signed-off-by: Lothar Waßmann <LW@xxxxxxxxxxxxxxxxxxx> > Actually I didn't sign off the patch that I posted, because I wanted to wait for more comments first. Lothar Waßmann -- ___________________________________________________________ Ka-Ro electronics GmbH | Pascalstraße 22 | D - 52076 Aachen Phone: +49 2408 1402-0 | Fax: +49 2408 1402-10 Geschäftsführer: Matthias Kaussen Handelsregistereintrag: Amtsgericht Aachen, HRB 4996 www.karo-electronics.de | info@xxxxxxxxxxxxxxxxxxx ___________________________________________________________ -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
