From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] serial: PL011: clear pending interrupts
Date: Mon, 12 Mar 2012 08:32:22 +0000 [thread overview]
Message-ID: <20120312083221.GW17370@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1331540750-25697-1-git-send-email-linus.walleij@stericsson.com>
On Mon, Mar 12, 2012 at 09:25:50AM +0100, Linus Walleij wrote:
> diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
> index 6800f5f..ff3fed0 100644
> --- a/drivers/tty/serial/amba-pl011.c
> +++ b/drivers/tty/serial/amba-pl011.c
> @@ -224,6 +224,11 @@ static int pl011_fifo_to_tty(struct uart_amba_port *uap)
> uart_insert_char(&uap->port, ch, UART011_DR_OE, ch, flag);
> }
>
What if we really do end up receiving some characters here?
> + /* RXIS but RXFE? Just clear the interrupt */
> + if(unlikely(fifotaken == 0))
> + writew(UART011_RTIS | UART011_RXIS,
> + uap->port.membase + UART011_ICR);
next prev parent reply other threads:[~2012-03-12 8:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-12 8:25 [PATCH] serial: PL011: clear pending interrupts Linus Walleij
2012-03-12 8:32 ` Russell King - ARM Linux [this message]
2012-03-12 10:11 ` Russell King - ARM Linux
2012-03-12 10:48 ` Linus Walleij
2012-03-12 11:28 ` Kim, Jong-Sung
2012-03-12 11:22 ` Kim, Jong-Sung
2012-03-12 11:28 ` Russell King - ARM Linux
2012-03-12 9:27 ` James Courtier-Dutton
2012-03-12 10:03 ` Russell King - ARM Linux
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=20120312083221.GW17370@n2100.arm.linux.org.uk \
--to=linux@arm.linux.org.uk \
--cc=linux-arm-kernel@lists.infradead.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;
as well as URLs for NNTP newsgroup(s).