From 61c4fb9c4d09dfb6f33690169560862d5d0e42f7 Mon Sep 17 00:00:00 2001 From: Wang Qing Date: Sun, 27 Feb 2022 19:13:31 -0800 Subject: [PATCH] net: hamradio: use time_is_after_jiffies() instead of open coding it Use the helper function time_is_{before,after}_jiffies() to improve code readability. Signed-off-by: Wang Qing Signed-off-by: David S. Miller --- drivers/net/hamradio/dmascc.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c index 7e527499d3ad..6e7d17a75972 100644 --- a/drivers/net/hamradio/dmascc.c +++ b/drivers/net/hamradio/dmascc.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include "z8530.h" @@ -377,7 +378,7 @@ static int __init dmascc_init(void) udelay(2000000 / TMR_0_HZ); /* Timing loop */ - while (jiffies - time < 13) { + while (time_is_after_jiffies(time + 13)) { for (i = 0; i < hw[h].num_devs; i++) if (base[i] && counting[i]) { /* Read back Timer 1: latch; read LSB; read MSB */ @@ -525,7 +526,7 @@ static int __init setup_adapter(int card_base, int type, int n) /* Wait and detect IRQ */ time = jiffies; - while (jiffies - time < 2 + HZ / TMR_0_HZ); + while (time_is_after_jiffies(time + 2 + HZ / TMR_0_HZ)); irq = probe_irq_off(irqs); /* Clear pending interrupt, disable interrupts */ @@ -1353,7 +1354,7 @@ static void es_isr(struct scc_priv *priv) /* Switch state */ write_scc(priv, R15, 0); if (priv->tx_count && - (jiffies - priv->tx_start) < priv->param.txtimeout) { + time_is_after_jiffies(priv->tx_start + priv->param.txtimeout) { priv->state = TX_PAUSE; start_timer(priv, priv->param.txpause, 0); } else {