>-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] On Behalf Of >Giuseppe Bilotta >Sent: Sunday, February 06, 2005 7:59 AM >To: linux-kernel@vger.kernel.org >Subject: Re: [PATCH][i386] HPET setup, duplicate HPET_T0_CMP >needed for some platforms > >Venkatesh Pallipadi wrote: >> + /* >> + * Some systems seems to need two writes to HPET_T0_CMP, >> + * to get interrupts working >> + */ >> + hpet_writel(tick, HPET_T0_CMP); >> hpet_writel(tick, HPET_T0_CMP); > >Is it known which platforms require two, and which ones require >one write? Is it cost-effective to #if CONFIG_ the second >write?
Additional write should not be performace critical, as this code is called only once, during boot up (and again during system suspend-resume). Thanks, Venki - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
