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SD-FEC statistic data are: - count of data interface errors (isr_err_count) - count of Correctable ECC errors (cecc_count) - count of Uncorrectable ECC errors (uecc_count) Add support: 1. clear stats ioctl callback which clears collected statistic data, 2. get stats ioctl callback which reads a collected statistic data, 3. set default configuration ioctl callback, 4. start ioctl callback enables SD-FEC HW, 5. stop ioctl callback disables SD-FEC HW. In a failed state driver enables the following ioctls: - get status - get statistics - clear stats - set default SD-FEC device configuration Tested-by: Santhosh Dyavanapally <SDYAVANA@xilinx.com> Tested by: Punnaiah Choudary Kalluri <punnaia@xilinx.com> Tested-by: Derek Kiernan <derek.kiernan@xilinx.com> Tested-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Signed-off-by: Derek Kiernan <derek.kiernan@xilinx.com> Signed-off-by: Dragan Cvetic <dragan.cvetic@xilinx.com> Link: https://lore.kernel.org/r/1564216438-322406-7-git-send-email-dragan.cvetic@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.