lkml.org 
[lkml]   [2013]   [Jun]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    SubjectRe: [PATCH] dmatest: masking tests for channel capabilities
    From
    [ apologies for the resend, gmail defaulted to html ]

    On Mon, Jun 17, 2013 at 2:10 PM, Dan Williams <djbw@fb.com> wrote:
    >> +Example to perform only MEMCPY and PQ mode tests (0x01 | 0x04 = 0x05):
    >> +
    >> + % modprobe dmatest
    >> + % echo dma0chan0 > /sys/kernel/debug/dmatest/channel
    >> + % echo 5 > /sys/kernel/debug/dmatest/cap_mask
    >> + % echo 1 > /sys/kernel/debug/dmatest/iterations
    >> + % echo 1 > /sys/kernel/debug/dmatest/run
    >
    >
    > Hmmm, I should have paid more attention when the debugfs support was
    > initially proposed for dmatest. As it is I see duplication and
    > configuration parameters getting out of sync with their module parameter
    > equivalents versus just having all configuration go through module
    > parameters. module_param_call() can be used for the more complex options.
    > Debugfs at this point looks like overkill for what amounts to some simple
    > configuration variables and a result line.
    >
    > --
    > Dan
    >


    \
     
     \ /
      Last update: 2013-06-17 23:41    [W:4.119 / U:0.676 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site