[PATCH v6 4/7] ARM: l2c: Add support for overriding prefetch settings
From: Russell King - ARM Linux <hidden>
Date: 2014-10-27 11:14:21
Also in:
linux-omap, linux-samsung-soc, lkml
From: Russell King - ARM Linux <hidden>
Date: 2014-10-27 11:14:21
Also in:
linux-omap, linux-samsung-soc, lkml
On Mon, Oct 27, 2014 at 12:05:47PM +0100, Marek Szyprowski wrote:
From: Tomasz Figa <redacted> 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 the driver. Signed-off-by: Tomasz Figa <redacted> [mszyprow: rebased onto v3.18-rc1, added error messages when property value is missing]
Why? What if the boot loader has already set these up appropriately? Why should we force people to list these in the DT? -- FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up according to speedtest.net.