From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jingoo Han Subject: Re: [PATCH V3] pci: exynos: split into two parts such as Synopsys part and Exynos part Date: Thu, 12 Sep 2013 19:25:59 +0900 Message-ID: <000701ceafa2$792d7cb0$6b887610$%han@samsung.com> References: <002801ce8376$a807dbf0$f81793d0$@samsung.com> <51ED49D6.9050209@ti.com> <000701ce8741$fe47deb0$fad79c10$@samsung.com> <51EE22DF.6090902@ti.com> <001301ce8772$522dfc50$f689f4f0$@samsung.com> <5231607C.10702@ti.com> <003501ceaf87$cda45db0$68ed1910$%han@samsung.com> <20130912093018.GA2124@pratyush-vbox> <52318CCC.4040604@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <52318CCC.4040604@ti.com> Content-language: ko Sender: linux-pci-owner@vger.kernel.org To: 'Kishon Vijay Abraham I' , 'Pratyush Anand' Cc: 'Bjorn Helgaas' , linux-pci@vger.kernel.org, linux-samsung-soc@vger.kernel.org, 'Kukjin Kim' , 'Mohit KUMAR DCG' , 'Arnd Bergmann' , 'Sean Cross' , 'Thierry Reding' , 'SRIKANTH TUMKUR SHIVANAND' , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, 'Jingoo Han' List-Id: devicetree@vger.kernel.org On Thursday, September 12, 2013 6:44 PM, Kishon Vijay Abraham I wrote: > On Thursday 12 September 2013 03:00 PM, Pratyush Anand wrote: > > > > From this conversation, It seems that you > > have tested this driver and it works fine without inbound translation > > function. I am sure that you would have tested a PCIe card with DMA > > capability such as PCIe2USB or PCIe2Ethernet. Since it worked, it > > means that by default your controller is supporting one to one mapping > > in case of inbound transaction even when address translation is enabled. > > btw, I'm testing Ethernet controller: Realtek Semiconductor Co., Ltd. > RTL8111/8168B PCI Express Gigabit Ethernet controller. > > when I do ifconfig eth0 up, I get *r8169 0000:01:00.0 eth0: link up.* > But I dont receive any packets and ping also fails and the tx and rx packet > count is also 0. Could it be related to inbound translation? > Hi Kishon, I have tested Ethernet controller: Intel Corporation 82574L PCI Express Gigabit Ethernet controller. Without inbound translation, it works properly with both legacy interrupt mode and MSI mode. Best regards, Jingoo Han