On Sat, 6 Dec 2014, Arseny Solokha wrote:
> From: Arseny Solokha <asolokha@xxxxxxxxxx>
>
> Commit 8dccddbc2368 ("OHCI: final fix for NVIDIA problems (I hope)")
> introduced into 3.1.9 broke boot on e.g. Freescale P2020DS development
> board. The code path that was previously specific to NVIDIA controllers
> had then become taken for all chips.
>
> However, the M5237 installed on the board wedges solid when accessing
> its base+OHCI_FMINTERVAL register, making it impossible to boot any
> kernel newer than 3.1.8 on this particular and apparently other similar
> machines.
>
> Don't readl() and writel() base+OHCI_FMINTERVAL on PCI ID 10b9:5237.
>
> The patch is suitable for the -next tree as well as all maintained
> kernels up to 3.2 inclusive.
>
> Signed-off-by: Arseny Solokha <asolokha@xxxxxxxxxx>
> ---
> Changes in v2:
> - review comments applied
Much better this time.
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Alan Stern
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