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    SubjectRe: [PATCH 3/3] mtd: spi-nor: Altera Quadspi Flash Controller v2 Platform driver
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    On 06/27/2017 05:15 PM, matthew.gerlach@linux.intel.com wrote:
    >
    >
    > On Tue, 27 Jun 2017, Marek Vasut wrote:
    >
    >> On 06/26/2017 06:13 PM, matthew.gerlach@linux.intel.com wrote:
    >>> From: Matthew Gerlach <matthew.gerlach@linux.intel.com>
    >>
    >> Just wrap it into the Altera QSPI driver , no need for separate platform
    >> driver IMO.
    >
    > Hi Marek,
    >
    > I answered this question when you asked why the header file was
    > necessary, but I think further discussion could be helpful, since this
    > problem is becoming more prevelent. The Altera Quadspi component is a
    > soft IP in a
    > FPGA, and the processor using the component may or may not have device
    > tree support compiled into the Linux kernel. Since device tree support
    > may or may not be available, the device tree specific code must be
    > separated
    > from the core driver code.

    I see, that's fine, although there is no PCIe or other support in this
    submission. Is that planned ?

    > One can certainly make the case, that device tree support could/should
    > be available everywhere, but the current reality is most x86 Linux
    > kernel configurations do not include device tree support.
    >
    > For the record, I believe device trees, and more specifically device
    > tree overlays, are the best way for Linux to use FPGAs, but I have to
    > deal with the current realities.
    >
    > Thanks again for all the great feedback.
    >
    > Matthew Gerlach

    [...]

    --
    Best regards,
    Marek Vasut

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