linux-kernel - [PATCH 10/27] tty: ehv_bytechan: convert to u8 and size

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Message-ID: <20231206073712.17776-11-jirislaby@kernel.org>
Date:   Wed,  6 Dec 2023 08:36:55 +0100
From:   "Jiri Slaby (SUSE)" <jirislaby@...nel.org>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Jiri Slaby (SUSE)" <jirislaby@...nel.org>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 10/27] tty: ehv_bytechan: convert to u8 and size_t

Switch character types to u8 and sizes to size_t. To conform to
characters/sizes in the rest of the tty layer.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@...nel.org>
Cc: Laurentiu Tudor <laurentiu.tudor@....com>
Cc: linuxppc-dev@...ts.ozlabs.org
---
 drivers/tty/ehv_bytechan.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c
index cc9f4338da60..69508d7a4135 100644
--- a/drivers/tty/ehv_bytechan.c
+++ b/drivers/tty/ehv_bytechan.c
@@ -49,7 +49,7 @@ struct ehv_bc_data {
 	unsigned int tx_irq;
 
 	spinlock_t lock;	/* lock for transmit buffer */
-	unsigned char buf[BUF_SIZE];	/* transmit circular buffer */
+	u8 buf[BUF_SIZE];	/* transmit circular buffer */
 	unsigned int head;	/* circular buffer head */
 	unsigned int tail;	/* circular buffer tail */
 
@@ -138,9 +138,9 @@ static int find_console_handle(void)
 
 static unsigned int local_ev_byte_channel_send(unsigned int handle,
 					       unsigned int *count,
-					       const char *p)
+					       const u8 *p)
 {
-	char buffer[EV_BYTE_CHANNEL_MAX_BYTES];
+	u8 buffer[EV_BYTE_CHANNEL_MAX_BYTES];
 	unsigned int c = *count;
 
 	/*
@@ -166,7 +166,7 @@ static unsigned int local_ev_byte_channel_send(unsigned int handle,
  * has been sent, or if some error has occurred.
  *
  */
-static void byte_channel_spin_send(const char data)
+static void byte_channel_spin_send(const u8 data)
 {
 	int ret, count;
 
@@ -474,8 +474,7 @@ static ssize_t ehv_bc_tty_write(struct tty_struct *ttys, const u8 *s,
 {
 	struct ehv_bc_data *bc = ttys->driver_data;
 	unsigned long flags;
-	unsigned int len;
-	unsigned int written = 0;
+	size_t len, written = 0;
 
 	while (1) {
 		spin_lock_irqsave(&bc->lock, flags);
-- 
2.43.0