Re: [PATCH v5 4/7] ARM: l2c: Add support for overriding prefetch settings

2014-09-24 Thread Russell King - ARM Linux
On Wed, Sep 24, 2014 at 01:10:51PM +0100, Mark Rutland wrote: > On Wed, Sep 24, 2014 at 12:19:45PM +0100, Tomasz Figa wrote: > > On 24.09.2014 13:14, Mark Rutland wrote: > > > I'm not too keen on tristate properties. Is this level of flexibility > > > really required? I would say that we need a wa

Re: [PATCH v5 4/7] ARM: l2c: Add support for overriding prefetch settings

2014-09-24 Thread Mark Rutland
On Wed, Sep 24, 2014 at 12:19:45PM +0100, Tomasz Figa wrote: > On 24.09.2014 13:14, Mark Rutland wrote: > > On Wed, Sep 24, 2014 at 12:05:38PM +0100, Marek Szyprowski wrote: > >> From: Tomasz Figa > >> > >> Firmware on certain boards (e.g. ODROID-U3) can leave incorrect L2C > >> prefetch > >> set

Re: [PATCH v5 4/7] ARM: l2c: Add support for overriding prefetch settings

2014-09-24 Thread Tomasz Figa
On 24.09.2014 13:14, Mark Rutland wrote: > On Wed, Sep 24, 2014 at 12:05:38PM +0100, Marek Szyprowski wrote: >> From: Tomasz Figa >> >> Firmware on certain boards (e.g. ODROID-U3) can leave incorrect L2C prefetch >> settings configured in registers leading to crashes if L2C is enabled >> without o

Re: [PATCH v5 4/7] ARM: l2c: Add support for overriding prefetch settings

2014-09-24 Thread Mark Rutland
On Wed, Sep 24, 2014 at 12:05:38PM +0100, Marek Szyprowski wrote: > From: Tomasz Figa > > Firmware on certain boards (e.g. ODROID-U3) can leave incorrect L2C prefetch > settings configured in registers leading to crashes if L2C is enabled > without overriding them. This patch introduces bindings

[PATCH v5 4/7] ARM: l2c: Add support for overriding prefetch settings

2014-09-24 Thread Marek Szyprowski
From: Tomasz Figa Firmware on certain boards (e.g. ODROID-U3) can leave incorrect L2C prefetch settings configured in registers leading to crashes if L2C is enabled without overriding them. This patch introduces bindings to enable prefetch settings to be specified from DT and necessary support in