Hi Kishon > -----Original Message----- > From: Kishon Vijay Abraham I [mailto:kishon@xxxxxx] > Sent: 24 November 2015 12:01 > To: linux-pci@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux- > omap@xxxxxxxxxxxxxxx; james.morse@xxxxxxx; gabriel.fernandez@xxxxxx; > Minghuan.Lian@xxxxxxxxxxxxx; Wangzhou (B); Gabriele Paoloni; arnd@xxxxxxxx; > bhelgaas@xxxxxxxxxx; pratyush.anand@xxxxxxxxx; Nori, Sekhar; > jingoohan1@xxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Subject: PCIe regression with DRA7xx in 4.4-rc1 > > Hi, > > I'm seeing a regression with <d1b9cf31252e905ad563b9e863fd4470f6c3dd1c>("PCI: > designware: Make driver arch-agnostic"). > > Logs using a SATA PCIe card [1]. The PCIe card enumerates fine but after that > I > observe "ata3.00: qc timeout (cmd 0xec), ata3.00: failed to IDENTIFY (I/O > error, err_mask=0x4)" > May this be related to the bug flagged in: [PATCH] PCI: designware: remove wrong io_base assignment [...] diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 540f077c37ea..02a7452bdf23 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -440,7 +440,6 @@ int dw_pcie_host_init(struct pcie_port *pp) ret, pp->io); continue; } - pp->io_base = pp->io->start; break; case IORESOURCE_MEM: pp->mem = win->res; -- 1.7.9.5 [...] Can you try to see if applying the patch above solves the issue? Thanks Gab > Logs using a Ethenet PCIe card [2]. Again here the PCIe card enumerates fine > but when I give ifconfig up, it fails. > > If I just revert commit <d1b9cf31252e905ad563b9e863fd4470f6c3dd1c>, the PCIe > cards starts to work fine again > > Logs using a SATA PCIe card [3]. Here the KINGSTON SSD gets detected fine. > Logs using a Ethernet PCIe card [4]. I'm able to do ping tests now. > > Actually I'm not able to find any obvious problems with the patch and the irq > number and the memory resource also looks fine. Any idea what could be the > problem? > > [1] -> http://pastebin.ubuntu.com/13491456/ > [2] -> http://pastebin.ubuntu.com/13491526/ > > [3] -> http://pastebin.ubuntu.com/13491658/ > [4] -> http://pastebin.ubuntu.com/13491593/ > > Thanks > Kishon ��.n��������+%������w��{.n�����{���"�)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
