linux-kernel - [PATCH] clk: mvebu: use time_after_eq() instead of jiffies judgment

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Date:   Thu, 10 Feb 2022 00:29:43 -0800
From:   Qing Wang <wangqing@...o.com>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] clk: mvebu: use time_after_eq() instead of jiffies judgment

From: Wang Qing <wangqing@...o.com>

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

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/clk/mvebu/armada-37xx-periph.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/mvebu/armada-37xx-periph.c b/drivers/clk/mvebu/armada-37xx-periph.c
index 32ac6b6..14d73f8
--- a/drivers/clk/mvebu/armada-37xx-periph.c
+++ b/drivers/clk/mvebu/armada-37xx-periph.c
@@ -25,6 +25,7 @@
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
+#include <linux/jiffies.h>
 
 #define TBG_SEL		0x0
 #define DIV_SEL0	0x4
@@ -541,7 +542,7 @@ static void clk_pm_cpu_set_rate_wa(struct clk_pm_cpu *pm_cpu,
 	 * We are going to L0 with rate >= 1GHz. Check whether we have been at
 	 * L1 for long enough time. If not, go to L1 for 20ms.
 	 */
-	if (pm_cpu->l1_expiration && jiffies >= pm_cpu->l1_expiration)
+	if (pm_cpu->l1_expiration && time_after_eq(jiffies, pm_cpu->l1_expiration))
 		goto invalidate_l1_exp;
 
 	regmap_update_bits(base, ARMADA_37XX_NB_CPU_LOAD,
-- 
2.7.4