linux-kernel - Re: [PATCH v6 1/2] fpga: Add flag to indicate bitstream needs decompression

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Date:   Fri, 9 Jun 2017 10:25:03 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Anatolij Gustschin <agust@...x.de>
Cc:     linux-fpga@...r.kernel.org, Alan Tull <atull@...nel.org>,
        Moritz Fischer <moritz.fischer@...us.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        matthew.gerlach@...ux.intel.com, yi1.li@...ux.intel.com
Subject: Re: [PATCH v6 1/2] fpga: Add flag to indicate bitstream needs decompression

On Fri, Jun 9, 2017 at 3:22 AM, Anatolij Gustschin <agust@...x.de> wrote:
> Add a flag that is passed to the write_init() callback, indicating
> that the bitstream is compressed.
>
> The low-level driver will deal with the flag, or return an error,
> if compressed bitstreams are not supported.
>

Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>

> Signed-off-by: Anatolij Gustschin <agust@...x.de>
> ---
>  include/linux/fpga/fpga-mgr.h | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h
> index 01c348c..bfa14bc 100644
> --- a/include/linux/fpga/fpga-mgr.h
> +++ b/include/linux/fpga/fpga-mgr.h
> @@ -68,11 +68,13 @@ enum fpga_mgr_states {
>   * FPGA_MGR_PARTIAL_RECONFIG: do partial reconfiguration if supported
>   * FPGA_MGR_EXTERNAL_CONFIG: FPGA has been configured prior to Linux booting
>   * FPGA_MGR_BITSTREAM_LSB_FIRST: SPI bitstream bit order is LSB first
> + * FPGA_MGR_COMPRESSED_BITSTREAM: FPGA bitstream is compressed
>   */
>  #define FPGA_MGR_PARTIAL_RECONFIG      BIT(0)
>  #define FPGA_MGR_EXTERNAL_CONFIG       BIT(1)
>  #define FPGA_MGR_ENCRYPTED_BITSTREAM   BIT(2)
>  #define FPGA_MGR_BITSTREAM_LSB_FIRST   BIT(3)
> +#define FPGA_MGR_COMPRESSED_BITSTREAM  BIT(4)
>
>  /**
>   * struct fpga_image_info - information specific to a FPGA image
> --
> 2.7.4
>



-- 
With Best Regards,
Andy Shevchenko