diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/devices/ps3vram.c | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/drivers/mtd/devices/ps3vram.c b/drivers/mtd/devices/ps3vram.c index 91cc2afbe14..d5924142d90 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) |