linux-kernel - Re: [PATCH V2 5/13] hid: use time_is_after

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Message-ID: <077501bfcb710c66754c61d69e45cac66fccf38a.camel@linux.intel.com>
Date:   Fri, 11 Feb 2022 07:46:51 -0800
From:   srinivas pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     Qing Wang <wangqing@...o.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Roger Pau Monné <roger.pau@...rix.com>,
        Jens Axboe <axboe@...nel.dk>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>, Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        xen-devel@...ts.xenproject.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        amd-gfx@...ts.freedesktop.org, linux-input@...r.kernel.org,
        linux-media@...r.kernel.org
Subject: Re: [PATCH V2 5/13] hid: use time_is_after_jiffies() instead of
 jiffies judgment

On Thu, 2022-02-10 at 18:30 -0800, Qing Wang wrote:
> From: Wang Qing <wangqing@...o.com>
> 
> It is better to use time_xxx() directly instead of jiffies judgment
> for understanding.
> 
> Signed-off-by: Wang Qing <wangqing@...o.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>

> ---
>  drivers/hid/intel-ish-hid/ipc/ipc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-
> ish-hid/ipc/ipc.c
> index 8ccb246..15e1423
> --- a/drivers/hid/intel-ish-hid/ipc/ipc.c
> +++ b/drivers/hid/intel-ish-hid/ipc/ipc.c
> @@ -578,7 +578,7 @@ static void _ish_sync_fw_clock(struct
> ishtp_device *dev)
>         static unsigned long    prev_sync;
>         uint64_t        usec;
>  
> -       if (prev_sync && jiffies - prev_sync < 20 * HZ)
> +       if (prev_sync && time_is_after_jiffies(prev_sync + 20 * HZ))
>                 return;
>  
>         prev_sync = jiffies;