[PATCH 0/2] PCI: designware: improve iATU programming and usage

Jisheng Zhang jszhang at marvell.com
Wed Apr 22 05:58:12 PDT 2015


The outbound iATU programming functions are similar, so PATCH1 consolidates
them into one.

Most transactions' type are cfg0 and MEM, so current iATU usage is not
balanced. PATCH2 adopts idea from Minghuan Lian <Minghuan.Lian at freescale.com>:

 http://www.spinics.net/lists/linux-pci/msg40440.html

to change the iATU allocation: iATU0 for cfg and IO, iATU1 for MEM.

Jisheng Zhang (2):
  PCI: designware: consolidate outbound iATU programming functions
  PCI: designware: use iATU0 for cfg and IO, iATU1 for MEM

 drivers/pci/host/pcie-designware.c | 144 ++++++++++++++++---------------------
 1 file changed, 62 insertions(+), 82 deletions(-)

-- 
2.1.4




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