On Wed, May 13, 2020 at 08:52:39AM +0000, Robin Gong wrote: > On 2020/05/13 16:48 Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote: > > On Wed, May 13, 2020 at 08:38:26AM +0000, Robin Gong wrote: > > > On 2020/05/13 Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote: > > > > This patch is the one bisecting will end up with when somebody uses > > > > an older SDMA firmware or the ROM scripts. It should have a better > > > > description what happens and what should be done about it. > > > Emm..That's true. Timeout will be caught in such case, hence, maybe we can > > fall back it to pio always. > > > > With my patch applied sdma_load_context() will fail. I don't know how exactly > > this hits into the SPI driver, but it won't be a timeout. > Thanks for your quick test, assume you use ROM firmware, right? Yes. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
