Re: [PATCHv5 4/4] ARM: mvebu: use pci_ioremap_set_mem_type() to map PCI I/O as strongly ordered
From: Thomas Petazzoni <hidden>
Date: 2014-05-19 11:41:06
Also in:
linux-arm-kernel
Dear Catalin Marinas, On Mon, 19 May 2014 10:59:49 +0100, Catalin Marinas wrote:
The patch is fine but for this to work in the UP case we need to fix MT_UNCACHED definition for sections. It seems to create SO memory but not necessarily writable (unless I miss something). Anyway, untested, something like this:
I justed tested in !CONFIG_SMP on Armada 38x, and writing to a PCI I/O mapping works in both the MT_UNCACHED and MT_DEVICE cases. Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html