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    SubjectRe: [PATCH v10 0/9] firmware: add request_partial_firmware_into_buf
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    Hi Florian,

    On 2020-07-07 9:38 p.m., Florian Fainelli wrote:
    >
    > On 7/6/2020 4:23 PM, Scott Branden wrote:
    >> This patch series adds partial read support via a new call
    >> request_partial_firmware_into_buf.
    >> Such support is needed when the whole file is not needed and/or
    >> only a smaller portion of the file will fit into allocated memory
    >> at any one time.
    >> In order to accept the enhanced API it has been requested that kernel
    >> selftests and upstreamed driver utilize the API enhancement and so
    >> are included in this patch series.
    >>
    >> Also in this patch series is the addition of a new Broadcom VK driver
    >> utilizing the new request_firmware_into_buf enhanced API.
    >>
    >> Further comment followed to add IMA support of the partial reads
    >> originating from request_firmware_into_buf calls. And another request
    >> to move existing kernel_read_file* functions to its own include file.
    > Do you have any way to separate the VK drivers submission from the
    > request_partial_firmware_into_buf() work that you are doing? It looks
    > like it is going to require quite a few iterations of this patch set for
    > the firmware/fs/IMA part to be ironed out, so if you could get your
    > driver separated out, it might help you achieve partial success here.
    Originally I did not submit the driver.
    But Greg K-H rejected the pread support unless there was an actual user
    in the kernel.
    Hence the need to submit this all in the patch series.

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