> -----Original Message----- > From: "Högander" Jouni [mailto:jouni.hogander@xxxxxxxxx] > Sent: Wednesday, August 13, 2008 12:39 PM > To: ext Rajendra Nayak > Cc: linux-omap@xxxxxxxxxxxxxxx > Subject: Re: [PATCH 03/10] OMAP3 SRF: omap3 srf driver > > "ext Rajendra Nayak" <rnayak@xxxxxx> writes: > > > +int set_pd_latency(struct shared_resource *resp, u32 latency) { > > + u32 pd_lat_level, ind, i; > > + struct pd_latency_db *pd_lat_db; > > + struct powerdomain *pwrdm; > > + > > + pd_lat_db = resp->resource_data; > > + pwrdm = pd_lat_db->pd; > > + pd_lat_level = PD_LATENCY_OFF; > > + /* using the latency db map to the appropriate PD state */ > > + for (ind = 0; ind < PD_LATENCY_MAXLEVEL; ind++) > > + if (pd_lat_db->latency[ind] < latency) > > + pd_lat_level = ind; > > + > > + resp->curr_level = pd_lat_level; > > + switch (pd_lat_level) { > > + case PWRDM_POWER_OFF: > > + case PWRDM_POWER_RET: > > + /* Errata 1.29: No transitions from INACTIVE to RET/OFF > > + * possible. > > + * Need to be taken care of here. > > + */ > > + if (pwrdm_read_pwrst(pwrdm) != PWRDM_POWER_ON) { > > + /* Force the clock domains to ON */ > > + for (i = 0; pwrdm->pwrdm_clkdms[i]; i++) { > > + > omap2_clkdm_deny_idle(pwrdm->pwrdm_clkdms[i]); > > + > omap2_clkdm_wakeup(pwrdm->pwrdm_clkdms[i]); > > + } > > + pwrdm_set_next_pwrst(pwrdm, PWRDM_POWER_ON); > > + pwrdm_set_next_pwrst(pwrdm, pd_lat_level); > > + for (i = 0; pwrdm->pwrdm_clkdms[i]; i++) { > > + > omap2_clkdm_sleep(pwrdm->pwrdm_clkdms[i]); > > + > omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[i]); > > + } > > + } else > > + pwrdm_set_next_pwrst(pwrdm, pd_lat_level); > > You could use set_pwrdm_state from pm34xx.c here and update > it if necessary. This way your workaround for errate 1.29 > would be available for cpuidle, pm_idle, srf and suspend. Ok, will see how I can do that. > > -- > Jouni Högander > > > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
