Subject: dra7xx pci driver broken on dra7xx-evm

From: [email-masked] (Tony Lindgren)
Date: Thu, 7 Jan 2016 13:59:47 -0800

* Suman Anna <[email-masked]> [160107 13:26]:
> On 01/06/2016 11:17 PM, Kishon Vijay Abraham I wrote:
> > Hi,
> 
> + Tero, Tony and linux-omap
> 
> > 
> > On Thursday 07 January 2016 03:15 AM, Richard Cochran wrote:
> >>
> >> The dra7xx-evm box freezes hard at the very first PCI bus access, the
> >> call to in dra7xx_pcie_readl() in dra7xx_pcie_probe().
> >>
> >> The out-of-tree 3.14.53 TI driver performs a reset via platform data,
> >> calling omap_device_assert_hardreset() by hook and crook.
> 
> Yeah, this is the only feasible way and not break multi-arch atm until a
> reset framework is in place. We have couple of drivers (omap_iommu and
> wkup_m3_rproc) following this approach.

Sounds like doing reset with platform data is the way to go until the
reset controller works.

Regards,

Tony