On Tue, Oct 19, 2010 at 04:31:30PM -0700, Daniel Walker wrote: > On Mon, 2010-10-18 at 09:44 +0200, Ohad Ben-Cohen wrote: > > OMAP4 introduces a Spinlock hardware module, which provides hardware > > assistance for synchronization and mutual exclusion between heterogeneous > > processors and those not operating under a single, shared operating system > > (e.g. OMAP4 has dual Cortex-A9, dual Cortex-M3 and a C64x+ DSP). > > > > The intention of this hardware module is to allow remote processors, > > that have no alternative mechanism to accomplish synchronization and mutual > > exclusion operations, to share resources (such as memory and/or any other > > hardware resource). > > > > This patchset adds a new misc driver for this OMAP hwspinlock module. > > Does this code interface with some hardware unit (other than the other > processors) to accomplish this locking ? > > The reason I ask is because MSM has similar code, and from what I can > tell the MSM version has some structures in memory but that's all. It > just operates on the structures in memory. > > It might be worth looking over the two implementation so we aren't both > remaking the wheel. Ohad's message to which you replied had: To: linux-omap@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Cc: Ohad Ben-Cohen <ohad@xxxxxxxxxx>, Hari Kanigeri <h-kanigeri2@xxxxxx>, Benoit Cousson <b-cousson@xxxxxx>, Tony Lindgren <tony@xxxxxxxxxxx>, Greg KH <greg@xxxxxxxxx>, Grant Likely <grant.likely@xxxxxxxxxxxx>, akpm@xxxxxxxxxxxxxxxxxxxx, Suman Anna <s-anna@xxxxxx> Yours has: To: Ohad Ben-Cohen <ohad@xxxxxxxxxx> Cc: Hari Kanigeri <h-kanigeri2@xxxxxx>, Benoit Cousson <b-cousson@xxxxxx>, Tony Lindgren <tony@xxxxxxxxxxx>, Greg KH <greg@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Grant Likely <grant.likely@xxxxxxxxxxxx>, mattw@xxxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, Suman Anna <s-anna@xxxxxx>, mattw@xxxxxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx which includes an invalid address "mattw@xxxxxxxxxxxxxxxxxxx". Is there a reason why you're excluding the linux-omap list from your message and subsequent discussion? -- 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