Hi Kishon
> -----Original Message-----
> From: Kishon Vijay Abraham I [mailto:kis...@ti.com]
> Sent: 24 November 2015 12:01
> To: linux-...@vger.kernel.org; linux-ker...@vger.kernel.org; linux-
> o...@vger.kernel.org; james.mo...@arm.com; gabriel.fernan...@st.com;
> minghuan.l...@freescale.com; Wangzhou (B); Gabriele Paoloni; a...@arndb.de;
> bhelg...@google.com; pratyush.an...@gmail.com; Nori, Sekhar;
> jingooh...@gmail.com; linux-arm-ker...@lists.infradead.org
> 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
