Vishwanath BS <[email protected]> writes: > IO Daisychain feature has to be triggered whenever there is a change in > device's mux configuration (See section 3.9.4 in OMAP4 Public TRM vP).
...in addition to the triggering still happening in the idle path, right? IIUC, after this series, there's still a call in omap_sram_idle(). > Now devices can idle independent of the powerdomain, there can be a window > where device > is idled and corresponding powerdomain can be ON/INACTIVE state. In such > situations, > since both module wake up is enabled at padlevel as well as io daisychain > sequence is > triggered, there will be 2 PRCM interrupts (Module async wake up via swakeup > and IO Pad > interrupt). But as PRCM Interrupt handler clears the Module Padlevel WKST bit > in the > first interrupt, module specific interrupt handler will not triggered for the > second time > > Also look at detailed explanation given by Rajendra at > http://www.spinics.net/lists/linux-serial/msg04480.html > > Signed-off-by: Vishwanath BS <[email protected]> > Tested-by: Govindraj.R <[email protected]> [...] > +void omap_trigger_wuclk_ctrl(void) > +{ > + if (cpu_is_omap34xx()) > + omap3_trigger_wuclk_ctrl(); > + > + if (cpu_is_omap44xx()) > + omap4_trigger_wuclk_ctrl(); > +} cpu_is_* usage is only acceptable at init time. Please use a function pointer initialized at init time for this. Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
