mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-25 00:57:31 +02:00
88 lines
2.6 KiB
Diff
88 lines
2.6 KiB
Diff
|
From 60c0c5987b0996a7c7c4c6d90f63ed413c368a71 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Geoff Levand <geoffrey.levand@am.sony.com>
|
||
|
|
Date: Wed, 7 Jan 2009 17:22:02 -0800
|
||
|
|
Subject: [PATCH] mtd/ps3vram: Use msleep in waits
|
||
|
|
|
||
|
|
Replace the use of udelay() with msleep() in the looping wait routines
|
||
|
|
ps3vram_notifier_wait() and ps3vram_wait_ring().
|
||
|
|
|
||
|
|
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
|
||
|
|
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
|
||
|
|
---
|
||
|
|
drivers/mtd/devices/ps3vram.c | 42 +++++++++++++++++-----------------------
|
||
|
|
1 files changed, 18 insertions(+), 24 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/drivers/mtd/devices/ps3vram.c b/drivers/mtd/devices/ps3vram.c
|
||
|
|
index 91cc2af..d592414 100644
|
||
|
|
--- a/drivers/mtd/devices/ps3vram.c
|
||
|
|
+++ b/drivers/mtd/devices/ps3vram.c
|
||
|
|
@@ -109,22 +109,19 @@ static void ps3vram_notifier_reset(struct mtd_info *mtd)
|
||
|
|
notify[i] = 0xffffffff;
|
||
|
|
}
|
||
|
|
|
||
|
|
-static int ps3vram_notifier_wait(struct mtd_info *mtd, int timeout_ms)
|
||
|
|
+static int ps3vram_notifier_wait(struct mtd_info *mtd, unsigned int timeout_ms)
|
||
|
|
{
|
||
|
|
struct ps3vram_priv *priv = mtd->priv;
|
||
|
|
u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER);
|
||
|
|
-
|
||
|
|
- timeout_ms *= 1000;
|
||
|
|
+ unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
|
||
|
|
|
||
|
|
do {
|
||
|
|
- if (notify[3] == 0)
|
||
|
|
+ if (!notify[3])
|
||
|
|
return 0;
|
||
|
|
+ msleep(1);
|
||
|
|
+ } while (time_before(jiffies, timeout));
|
||
|
|
|
||
|
|
- if (timeout_ms)
|
||
|
|
- udelay(1);
|
||
|
|
- } while (timeout_ms--);
|
||
|
|
-
|
||
|
|
- return -1;
|
||
|
|
+ return -ETIMEDOUT;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void ps3vram_init_ring(struct mtd_info *mtd)
|
||
|
|
@@ -135,25 +132,22 @@ static void ps3vram_init_ring(struct mtd_info *mtd)
|
||
|
|
priv->ctrl[CTRL_GET] = FIFO_BASE + FIFO_OFFSET;
|
||
|
|
}
|
||
|
|
|
||
|
|
-static int ps3vram_wait_ring(struct mtd_info *mtd, int timeout)
|
||
|
|
+static int ps3vram_wait_ring(struct mtd_info *mtd, unsigned int timeout_ms)
|
||
|
|
{
|
||
|
|
struct ps3vram_priv *priv = mtd->priv;
|
||
|
|
+ unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
|
||
|
|
|
||
|
|
- /* wait until setup commands are processed */
|
||
|
|
- timeout *= 1000;
|
||
|
|
- while (--timeout) {
|
||
|
|
+ do {
|
||
|
|
if (priv->ctrl[CTRL_PUT] == priv->ctrl[CTRL_GET])
|
||
|
|
- break;
|
||
|
|
- udelay(1);
|
||
|
|
- }
|
||
|
|
- if (timeout == 0) {
|
||
|
|
- dev_dbg(priv->dev, "%s:%d: FIFO timeout (%08x/%08x/%08x)\n",
|
||
|
|
- __func__, __LINE__, priv->ctrl[CTRL_PUT],
|
||
|
|
- priv->ctrl[CTRL_GET], priv->ctrl[CTRL_TOP]);
|
||
|
|
- return -ETIMEDOUT;
|
||
|
|
- }
|
||
|
|
+ return 0;
|
||
|
|
+ msleep(1);
|
||
|
|
+ } while (time_before(jiffies, timeout));
|
||
|
|
|
||
|
|
- return 0;
|
||
|
|
+ dev_dbg(priv->dev, "%s:%d: FIFO timeout (%08x/%08x/%08x)\n", __func__,
|
||
|
|
+ __LINE__, priv->ctrl[CTRL_PUT], priv->ctrl[CTRL_GET],
|
||
|
|
+ priv->ctrl[CTRL_TOP]);
|
||
|
|
+
|
||
|
|
+ return -ETIMEDOUT;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void ps3vram_out_ring(struct ps3vram_priv *priv, u32 data)
|
||
|
|
--
|
||
|
|
1.6.0.4
|
||
|
|
|