linux-kernel - [PATCH v2 2/5] gpio: loongson1: Use readl() & writel()

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu,  2 Mar 2023 20:52:12 +0800
From:   Keguang Zhang <keguang.zhang@...il.com>
To:     linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Keguang Zhang <keguang.zhang@...il.com>
Subject: [PATCH v2 2/5] gpio: loongson1: Use readl() & writel()

This patch replace __raw_readl() & __raw_writel() with readl() & writel().

Signed-off-by: Keguang Zhang <keguang.zhang@...il.com>
---
V1 -> V2: Split this change to a separate patch
---
 drivers/gpio/gpio-loongson1.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-loongson1.c b/drivers/gpio/gpio-loongson1.c
index 8862c9ea0d41..b6c11caa3ade 100644
--- a/drivers/gpio/gpio-loongson1.c
+++ b/drivers/gpio/gpio-loongson1.c
@@ -23,8 +23,8 @@ static int ls1x_gpio_request(struct gpio_chip *gc, unsigned int offset)
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&gc->bgpio_lock, flags);
-	__raw_writel(__raw_readl(gpio_reg_base + GPIO_CFG) | BIT(offset),
-		     gpio_reg_base + GPIO_CFG);
+	writel(readl(gpio_reg_base + GPIO_CFG) | BIT(offset),
+	       gpio_reg_base + GPIO_CFG);
 	raw_spin_unlock_irqrestore(&gc->bgpio_lock, flags);
 
 	return 0;
@@ -35,8 +35,8 @@ static void ls1x_gpio_free(struct gpio_chip *gc, unsigned int offset)
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&gc->bgpio_lock, flags);
-	__raw_writel(__raw_readl(gpio_reg_base + GPIO_CFG) & ~BIT(offset),
-		     gpio_reg_base + GPIO_CFG);
+	writel(readl(gpio_reg_base + GPIO_CFG) & ~BIT(offset),
+	       gpio_reg_base + GPIO_CFG);
 	raw_spin_unlock_irqrestore(&gc->bgpio_lock, flags);
 }
 
-- 
2.34.1