On Wed 18 Mar 09:45 PDT 2015, Lina Iyer wrote: > On Wed, Mar 18 2015 at 09:56 -0600, Bjorn Andersson wrote: > >On Thu 12 Mar 12:31 PDT 2015, Lina Iyer wrote: > > > >> On Fri, Feb 27 2015 at 15:30 -0700, Bjorn Andersson wrote: [..] > >> >+#define QCOM_MUTEX_NUM_LOCKS 32 > >> > >> Also, talking to Jeff it seems like that out of the 32 locks defined > >> only 8 is accessible from Linux. So its unnecessary and probably > >> incorrect to assume that there are 32 locks available. > >> > > > >The hardware block have 32 locks and the decision regarding which locks > >this particular Linux system is allowed to access is configuration. > > > Understood. But while the hardware may support it, it may be right for > Linux to be allowed to configure, giving a false sense of number of > locks. > You're not just randomly allocating these locks, the "sense of number of locks" is most likely carried in an Excel sheet within Qualcomm. Obviously the number 8 is arbitrary and a change of it is a question of "system configuration" and not a matter of changing the implementation of this device driver. Regards, Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
