All of lore.kernel.org
 help / color / mirror / Atom feed
From: Ivo van Doorn <ivdoorn@gmail.com>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org, users@rt2x00.serialmonkey.com
Subject: [PATCH 01/10] rt2x00: simplify txstatus_fifo handling
Date: Mon, 27 Dec 2010 15:04:29 +0100	[thread overview]
Message-ID: <201012271504.30848.IvDoorn@gmail.com> (raw)

From: Johannes Stezenbach <js@sig21.net>

Signed-off-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
 drivers/net/wireless/rt2x00/rt2800pci.c |   18 ++----------------
 drivers/net/wireless/rt2x00/rt2x00.h    |    2 +-
 2 files changed, 3 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index baa1468..aa97971 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -688,14 +688,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
 	u32 status;
 	u8 qid;
 
-	while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) {
-		/* Now remove the tx status from the FIFO */
-		if (kfifo_out(&rt2x00dev->txstatus_fifo, &status,
-			      sizeof(status)) != sizeof(status)) {
-			WARN_ON(1);
-			break;
-		}
-
+	while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
 		qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
 		if (qid >= QID_RX) {
 			/*
@@ -803,14 +796,7 @@ static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
 		if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))
 			break;
 
-		if (kfifo_is_full(&rt2x00dev->txstatus_fifo)) {
-			WARNING(rt2x00dev, "TX status FIFO overrun,"
-				" drop tx status report.\n");
-			break;
-		}
-
-		if (kfifo_in(&rt2x00dev->txstatus_fifo, &status,
-			     sizeof(status)) != sizeof(status)) {
+		if (!kfifo_put(&rt2x00dev->txstatus_fifo, &status)) {
 			WARNING(rt2x00dev, "TX status FIFO overrun,"
 				"drop tx status report.\n");
 			break;
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index c254d5a..af1d3ef 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -908,7 +908,7 @@ struct rt2x00_dev {
 	/*
 	 * FIFO for storing tx status reports between isr and tasklet.
 	 */
-	struct kfifo txstatus_fifo;
+	DECLARE_KFIFO_PTR(txstatus_fifo, u32);
 
 	/*
 	 * Tasklet for processing tx status reports (rt2800pci).
-- 
1.7.2.3


             reply	other threads:[~2010-12-27 14:08 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-27 14:04 Ivo van Doorn [this message]
2010-12-27 14:04 ` [PATCH 02/10] rt2x00: allow txstatus_fifo w/o txstatus_tasklet Ivo van Doorn
2010-12-27 14:05   ` [PATCH 03/10] rt2x00: Remove intf->bssid field Ivo van Doorn
2010-12-27 14:05     ` [PATCH 04/10] rt2x00: remove intf->mac field Ivo van Doorn
2010-12-27 14:05       ` [PATCH 05/10] rt2x00: Fix pointer errors Ivo van Doorn
2010-12-27 14:06         ` [PATCH 06/10] rt2x00: Fix panic on frame padding for rt2800 usb devices Ivo van Doorn
2010-12-27 14:06           ` [PATCH 07/10] rt2x00: Remove superfluous assignment of mpdu_density Ivo van Doorn
2010-12-27 14:06             ` [PATCH 08/10] rt2x00: Simplify intf->delayed_flags locking Ivo van Doorn
2010-12-27 14:07               ` [PATCH 09/10] rt2x00: Remove unused interface spinlock Ivo van Doorn
2010-12-27 14:07                 ` [PATCH 10/10] rt2x00: Fix comment about removed spinlock Ivo van Doorn

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=201012271504.30848.IvDoorn@gmail.com \
    --to=ivdoorn@gmail.com \
    --cc=linux-wireless@vger.kernel.org \
    --cc=linville@tuxdriver.com \
    --cc=users@rt2x00.serialmonkey.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.