linux-kernel - Re: [PATCH v2] net: mvpp2: debugfs: Add pmap to fs dump

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Message-ID: <CAKwvOdk7xOF8=xv5A7TQUWY29dH4agDWgMJVeO9emTMbH8CNQA@mail.gmail.com>
Date:   Wed, 19 Jun 2019 13:46:35 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Nathan Huckleberry <nhuck@...gle.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        maxime.chevallier@...tlin.com, netdev@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH v2] net: mvpp2: debugfs: Add pmap to fs dump

On Wed, Jun 19, 2019 at 11:17 AM 'Nathan Huckleberry' via Clang Built
Linux <clang-built-linux@...glegroups.com> wrote:
>
> There was an unused variable 'mvpp2_dbgfs_prs_pmap_fops'
> Added a usage consistent with other fops to dump pmap
> to userspace.

> Changes from v1 -> v2
> * Fix typo
> * Change commit prefix to debugfs

Compile-
Tested-by: Nick Desaulniers <ndesaulniers@...gle.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

Requires `make ... W=1` before the patch to observe the warning.

>  drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c
> index 0ee39ea47b6b..274fb07362cb 100644
> --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c
> +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c
> @@ -566,6 +566,9 @@ static int mvpp2_dbgfs_prs_entry_init(struct dentry *parent,
>         debugfs_create_file("hits", 0444, prs_entry_dir, entry,
>                             &mvpp2_dbgfs_prs_hits_fops);
>
> +       debugfs_create_file("pmap", 0444, prs_entry_dir, entry,
> +                            &mvpp2_dbgfs_prs_pmap_fops);
> +

Thanks,
~Nick Desaulniers