public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Adrian Bunk <bunk@stusta.de>
To: linux-kernel@vger.kernel.org
Subject: [2.6 patch] serial_core.c: remove an unused function
Date: Fri, 29 Oct 2004 02:27:44 +0200	[thread overview]
Message-ID: <20041029002744.GB29142@stusta.de> (raw)
In-Reply-To: <20041028232220.GI3207@stusta.de>

[ this time without the problems due to a digital signature... ]

The patch below removes an unused function from 
drivers/serial/serial_core.c


diffstat output:
 drivers/serial/serial_core.c |   40 -----------------------------------
 1 files changed, 40 deletions(-)


Signed-off-by: Adrian Bunk <bunk@stusta.de>

--- linux-2.6.10-rc1-mm1-full/drivers/serial/serial_core.c.old	2004-10-28 23:28:48.000000000 +0200
+++ linux-2.6.10-rc1-mm1-full/drivers/serial/serial_core.c	2004-10-28 23:28:58.000000000 +0200
@@ -444,46 +444,6 @@
 }
 
 static inline int
-__uart_user_write(struct uart_port *port, struct circ_buf *circ,
-		  const unsigned char __user *buf, int count)
-{
-	unsigned long flags;
-	int c, ret = 0;
-
-	if (down_interruptible(&port->info->tmpbuf_sem))
-		return -EINTR;
-
-	while (1) {
-		int c1;
-		c = CIRC_SPACE_TO_END(circ->head, circ->tail, UART_XMIT_SIZE);
-		if (count < c)
-			c = count;
-		if (c <= 0)
-			break;
-
-		c -= copy_from_user(port->info->tmpbuf, buf, c);
-		if (!c) {
-			if (!ret)
-				ret = -EFAULT;
-			break;
-		}
-		spin_lock_irqsave(&port->lock, flags);
-		c1 = CIRC_SPACE_TO_END(circ->head, circ->tail, UART_XMIT_SIZE);
-		if (c1 < c)
-			c = c1;
-		memcpy(circ->buf + circ->head, port->info->tmpbuf, c);
-		circ->head = (circ->head + c) & (UART_XMIT_SIZE - 1);
-		spin_unlock_irqrestore(&port->lock, flags);
-		buf += c;
-		count -= c;
-		ret += c;
-	}
-	up(&port->info->tmpbuf_sem);
-
-	return ret;
-}
-
-static inline int
 __uart_kern_write(struct uart_port *port, struct circ_buf *circ,
 		  const unsigned char *buf, int count)
 {

      reply	other threads:[~2004-10-29  0:32 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-28 23:22 [2.6 patch] serial_core.c: remove an unused function Adrian Bunk
2004-10-29  0:27 ` Adrian Bunk [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20041029002744.GB29142@stusta.de \
    --to=bunk@stusta.de \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox