On Mon, Jan 18, 2016 at 5:07 PM, Maciej S. Szmigiero <[email protected]> wrote: > There is no guarantee that on fsl_ssi module load > SSI registers will have their power-on-reset values. > > In fact, if the driver is reloaded the values in > registers will be whatever they were set to previously. > > However, the cache needs to be fully populated at probe > time to avoid non-atomic allocations during register > access. > > Special case here is imx21-class SSI, since > according to datasheet it don't have SACC{ST,EN,DIS} > regs. > > This fixes hard lockup on fsl_ssi module reload, > at least in AC'97 mode. > > Fixes: 05cf237972fe ("ASoC: fsl_ssi: Add driver suspend and resume to support > MEGA Fast") > > Signed-off-by: Maciej S. Szmigiero <[email protected]>
Tested-by: Fabio Estevam <[email protected]> _______________________________________________ Linuxppc-dev mailing list [email protected] https://lists.ozlabs.org/listinfo/linuxppc-dev
