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    Subject[PATCH V2 10/13] media: stv0299: use time_is_before_jiffies() instead of jiffies judgment
    Date
    From: Wang Qing <wangqing@vivo.com>

    It is better to use time_xxx() directly instead of jiffies judgment
    for understanding.

    Signed-off-by: Wang Qing <wangqing@vivo.com>
    ---
    drivers/media/dvb-frontends/stv0299.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/drivers/media/dvb-frontends/stv0299.c b/drivers/media/dvb-frontends/stv0299.c
    index 421395e..867ae04
    --- a/drivers/media/dvb-frontends/stv0299.c
    +++ b/drivers/media/dvb-frontends/stv0299.c
    @@ -183,7 +183,7 @@ static int stv0299_wait_diseqc_fifo (struct stv0299_state* state, int timeout)
    dprintk ("%s\n", __func__);

    while (stv0299_readreg(state, 0x0a) & 1) {
    - if (jiffies - start > timeout) {
    + if (time_is_before_jiffies(start + timeout)) {
    dprintk ("%s: timeout!!\n", __func__);
    return -ETIMEDOUT;
    }
    @@ -200,7 +200,7 @@ static int stv0299_wait_diseqc_idle (struct stv0299_state* state, int timeout)
    dprintk ("%s\n", __func__);

    while ((stv0299_readreg(state, 0x0a) & 3) != 2 ) {
    - if (jiffies - start > timeout) {
    + if (time_is_before_jiffies(start + timeout)) {
    dprintk ("%s: timeout!!\n", __func__);
    return -ETIMEDOUT;
    }
    --
    2.7.4
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