From: Alistair Popple Date: Thu, 6 Mar 2014 03:52:28 +0000 (+1100) Subject: powerpc: Added PCI MSI support using the HSTA module X-Git-Tag: omap-for-v3.16/fixes-against-rc1~60^2~43 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2c37d908336dc27c8b405f063c2a163124947fa;p=pandora-kernel.git powerpc: Added PCI MSI support using the HSTA module The PPC476GTR SoC supports message signalled interrupts (MSI) by writing to special addresses within the High Speed Transfer Assist (HSTA) module. This patch adds support for PCI MSI with a new system device. The DMA window is also updated to allow access to the entire 42-bit address range to allow PCI devices write access to the HSTA module. Signed-off-by: Alistair Popple Signed-off-by: Benjamin Herrenschmidt --- Reading git-diff-tree failed