Re: [PATCH V10 2/2] mtd: spi-nor: Add driver for Cadence Quad SPI Flash Controller.

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On 05/13/2016 10:43 PM, Trent Piepho wrote:
> On Fri, 2016-05-13 at 02:24 +0200, Marek Vasut wrote:
>> On 05/13/2016 02:00 AM, Trent Piepho wrote:
>>> On Mon, 2016-01-11 at 05:34 +0100, Marek Vasut wrote:
>>>> From: Graham Moore <grmoore-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@xxxxxxxxxxxxxxxx>
>>>>
>>>> Add support for the Cadence QSPI controller. This controller is
>>>> present in the Altera SoCFPGA SoCs and this driver has been tested
>>>> on the Cyclone V SoC.
>>>
>>> I'm trying to use this driver the Alaric Devkit for Altera's Arria10
>>> SoC.  It's not working so far.  In the course of trying to debug it,
>>> I've found a few things with the driver in the socfpga-4.1-ltsi branch.
>>
>> So are you trying to debug this driver or some other out-of-tree driver?
>> btw. I pushed the latest version here:
>>
>> https://git.kernel.org/cgit/linux/kernel/git/marex/linux-2.6.git/log/?h=next/cadence-qspi
> 
> I'm trying to use the out of tree driver from Altera's latest kernel,
> from here:
> https://github.com/altera-opensource/linux-socfpga/tree/socfpga-4.4
> 
> But it's not a totally different driver, it's just an older version of
> this driver.  I'm thinking of porting in this version since I think it's
> much improved (after V11 one would hope so).  Really, Altera should
> update their supported kernel with this code.

I'm quite sure they're doing their best and really, they _are_ better
than most vendors.

> Comments about what's on your branch.
> 
> Commit "ARM: socfpga: Add Candence QSPI controller DT node" only
> adds the node for Cyclone 5.  This same DT node should also be added to
> the socfpga_arria10.dtsi file.
> 
I don't have A10 devkit (yet), but feel free to send a patch once this
hits mainline if you can test it on A10. I updated the commit message
until then.

The latest stuff is pushed here:
http://git.kernel.org/cgit/linux/kernel/git/marex/linux-2.6.git/log/?h=korg/next/cadence-qspi-v12

-- 
Best regards,
Marek Vasut
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