[+cc Mohit] On Thu, Apr 30, 2015 at 04:22:27PM +0800, Jisheng Zhang wrote: > 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.l...@freescale.com>: > > http://www.spinics.net/lists/linux-pci/msg40440.html > > to change the iATU allocation: iATU0 for cfg and IO, iATU1 for MEM. > > Changes since v1: > - remove outbound iATU programming for IO in dw_pcie_host_init, since it can > be done by berlin_pcie_{rd|wr}_other_conf() latter. > - only do outbound iATU programming for MEM if pp->ops->rd_other_conf is not > set. Thank Fabrice Gasnier to point out "some platforms doesn't have support > for ATU" > > 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 | 142 > ++++++++++++++++---------------------
These need acks from Jingoo and/or Mohit. Any opinions? Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
