Hi Russell, On 28/04/2015 18:54, Russell King - ARM Linux wrote: > On Tue, Apr 28, 2015 at 06:41:41PM +0200, Gregory CLEMENT wrote: >> Hi Valentin, >> >> On 28/04/2015 18:02, Valentin Rothberg wrote: >>> ARM_ERRATA_753970 is not defined in Kconfig, so that both selects turn >>> out to be nops. Hence, we can safely remove them. >> >> It was already pointed by Paul Bolle a few months ago: >> http://thread.gmane.org/gmane.linux.kernel/1868817 >> >> and I thought it was applied. >> >> He pointed that the original intent was to select >> PL310_ERRATA_753970. Initially I was not sure if we needed it. In the >> meantime I didn't get any answer from the hardware designers but this >> errata affects the r3p0 version and according to the Cache ID register >> the PL310 used on these two SoCs were the r3p3. > > It's probably something I need to look at when I'm in a more relaxed > state, and when I have more time to deal with the dreaded email > backlog...
Do you see any mistake in my reasoning? Do you think that errata 753970 could be applied on PL310 version more recent than the r3p0 one ? Do you think that Cache ID register could give incorrect information about the PL310 version? Or maybe you think about something more global. Thanks, Gregory -- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com -- 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/
