linux-kernel - [PATCH v10 3/5] tty: goldfish: use goldfish_ioread32()/goldfish

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Message-Id: <20220119000506.1299843-4-laurent@vivier.eu>
Date:   Wed, 19 Jan 2022 01:05:04 +0100
From:   Laurent Vivier <laurent@...ier.eu>
To:     linux-kernel@...r.kernel.org
Cc:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        John Stultz <john.stultz@...aro.org>,
        Arnd Bergmann <arnd@...db.de>, linux-rtc@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-m68k@...ts.linux-m68k.org,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Laurent Vivier <laurent@...ier.eu>
Subject: [PATCH v10 3/5] tty: goldfish: use goldfish_ioread32()/goldfish_iowrite32()

Use architecture endianness aware accessors as done for
rtc-goldfish.

Signed-off-by: Laurent Vivier <laurent@...ier.eu>
---
 drivers/tty/goldfish.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c
index d24af649a8bb..267f1f084629 100644
--- a/drivers/tty/goldfish.c
+++ b/drivers/tty/goldfish.c
@@ -61,13 +61,13 @@ static void do_rw_io(struct goldfish_tty *qtty,
 	spin_lock_irqsave(&qtty->lock, irq_flags);
 	gf_write_ptr((void *)address, base + GOLDFISH_TTY_REG_DATA_PTR,
 		     base + GOLDFISH_TTY_REG_DATA_PTR_HIGH);
-	__raw_writel(count, base + GOLDFISH_TTY_REG_DATA_LEN);
+	goldfish_iowrite32(count, base + GOLDFISH_TTY_REG_DATA_LEN);
 
 	if (is_write)
-		__raw_writel(GOLDFISH_TTY_CMD_WRITE_BUFFER,
+		goldfish_iowrite32(GOLDFISH_TTY_CMD_WRITE_BUFFER,
 		       base + GOLDFISH_TTY_REG_CMD);
 	else
-		__raw_writel(GOLDFISH_TTY_CMD_READ_BUFFER,
+		goldfish_iowrite32(GOLDFISH_TTY_CMD_READ_BUFFER,
 		       base + GOLDFISH_TTY_REG_CMD);
 
 	spin_unlock_irqrestore(&qtty->lock, irq_flags);
@@ -142,7 +142,7 @@ static irqreturn_t goldfish_tty_interrupt(int irq, void *dev_id)
 	unsigned char *buf;
 	u32 count;
 
-	count = __raw_readl(base + GOLDFISH_TTY_REG_BYTES_READY);
+	count = goldfish_ioread32(base + GOLDFISH_TTY_REG_BYTES_READY);
 	if (count == 0)
 		return IRQ_NONE;
 
@@ -159,7 +159,7 @@ static int goldfish_tty_activate(struct tty_port *port, struct tty_struct *tty)
 {
 	struct goldfish_tty *qtty = container_of(port, struct goldfish_tty,
 									port);
-	__raw_writel(GOLDFISH_TTY_CMD_INT_ENABLE, qtty->base + GOLDFISH_TTY_REG_CMD);
+	goldfish_iowrite32(GOLDFISH_TTY_CMD_INT_ENABLE, qtty->base + GOLDFISH_TTY_REG_CMD);
 	return 0;
 }
 
@@ -167,7 +167,7 @@ static void goldfish_tty_shutdown(struct tty_port *port)
 {
 	struct goldfish_tty *qtty = container_of(port, struct goldfish_tty,
 									port);
-	__raw_writel(GOLDFISH_TTY_CMD_INT_DISABLE, qtty->base + GOLDFISH_TTY_REG_CMD);
+	goldfish_iowrite32(GOLDFISH_TTY_CMD_INT_DISABLE, qtty->base + GOLDFISH_TTY_REG_CMD);
 }
 
 static int goldfish_tty_open(struct tty_struct *tty, struct file *filp)
@@ -202,7 +202,7 @@ static unsigned int goldfish_tty_chars_in_buffer(struct tty_struct *tty)
 {
 	struct goldfish_tty *qtty = &goldfish_ttys[tty->index];
 	void __iomem *base = qtty->base;
-	return __raw_readl(base + GOLDFISH_TTY_REG_BYTES_READY);
+	return goldfish_ioread32(base + GOLDFISH_TTY_REG_BYTES_READY);
 }
 
 static void goldfish_tty_console_write(struct console *co, const char *b,
@@ -357,7 +357,7 @@ static int goldfish_tty_probe(struct platform_device *pdev)
 	 * on Ranchu emulator (qemu2) returns 1 here and
 	 * driver will use physical addresses.
 	 */
-	qtty->version = __raw_readl(base + GOLDFISH_TTY_REG_VERSION);
+	qtty->version = goldfish_ioread32(base + GOLDFISH_TTY_REG_VERSION);
 
 	/*
 	 * Goldfish TTY device on Ranchu emulator (qemu2)
@@ -376,7 +376,7 @@ static int goldfish_tty_probe(struct platform_device *pdev)
 		}
 	}
 
-	__raw_writel(GOLDFISH_TTY_CMD_INT_DISABLE, base + GOLDFISH_TTY_REG_CMD);
+	goldfish_iowrite32(GOLDFISH_TTY_CMD_INT_DISABLE, base + GOLDFISH_TTY_REG_CMD);
 
 	ret = request_irq(irq, goldfish_tty_interrupt, IRQF_SHARED,
 			  "goldfish_tty", qtty);
@@ -438,7 +438,7 @@ static int goldfish_tty_remove(struct platform_device *pdev)
 #ifdef CONFIG_GOLDFISH_TTY_EARLY_CONSOLE
 static void gf_early_console_putchar(struct uart_port *port, int ch)
 {
-	__raw_writel(ch, port->membase);
+	goldfish_iowrite32(ch, port->membase);
 }
 
 static void gf_early_write(struct console *con, const char *s, unsigned int n)
-- 
2.34.1