From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Wed, 15 Apr 2015 12:36:54 +0200 Subject: [PATCH v2 2/3] pci/designware: Add base driver for Designware PCIe In-Reply-To: <1429091315-31891-3-git-send-email-Minghuan.Lian@freescale.com> References: <1429091315-31891-1-git-send-email-Minghuan.Lian@freescale.com> <1429091315-31891-3-git-send-email-Minghuan.Lian@freescale.com> Message-ID: <2123546.0rhYViPpvy@wuerfel> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wednesday 15 April 2015 17:48:34 Minghuan Lian wrote: > The Synopsys Designware IP is shared with couples of platforms > under multiple architectures. The patch is to provide basic > architecture-independent Designware PCIe host driver including > ATU initialization and PCI OPS. Currently, which supports arm > and arm64 simultaneously. > > Signed-off-by: Minghuan Lian > --- > change log: > v1-v2: > 1. Get MSI chip according to dts property 'msi-parent' > 2. Simplify platform_get_resource_byname() failure checking > > drivers/pci/host/Kconfig | 3 + > drivers/pci/host/Makefile | 1 + > drivers/pci/host/pcie-designware-base.c | 293 ++++++++++++++++++++++++++++++++ > drivers/pci/host/pcie-designware-base.h | 63 +++++++ > I don't understand this patch at all. What is the relation between this driver and the existing pcie-designware.c? From the description above, they would be the same. Arnd