From: Jim Liu <jim.t90615@gmail.com>
Date: Tue, 26 Dec 2023 02:00:06 +0000 (+0800)
Subject: spi: npcm_pspi: Fix the wrong clock divider calculation
X-Git-Url: http://git.dujemihanovic.xyz/img/%7B%7B%20%28.OutputFormats.Get?a=commitdiff_plain;h=f03e3f0b8b2275733d5e299efedaecce42b3db31;p=u-boot.git

spi: npcm_pspi: Fix the wrong clock divider calculation

Fix the wrong clock divider calculation.

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
---

diff --git a/drivers/spi/npcm_pspi.c b/drivers/spi/npcm_pspi.c
index 37bab70967..eb14185273 100644
--- a/drivers/spi/npcm_pspi.c
+++ b/drivers/spi/npcm_pspi.c
@@ -144,7 +144,7 @@ static int npcm_pspi_set_speed(struct udevice *bus, uint speed)
 	if (speed > priv->max_hz)
 		speed = priv->max_hz;
 
-	divisor = DIV_ROUND_CLOSEST(apb_clock, (2 * speed) - 1);
+	divisor = DIV_ROUND_CLOSEST(apb_clock, (2 * speed)) - 1;
 	if (divisor > MAX_DIV)
 		divisor = MAX_DIV;