From 5a4e1a795d7c5b47e94067a72db09f8cfb52bcff Mon Sep 17 00:00:00 2001 From: David Vrabel Date: Tue, 25 Nov 2008 14:34:47 +0000 Subject: uwb: clean up whci_wait_for() timeout error message All callers of whci_wait_for() should get consistant error message if a timeout occurs. Signed-off-by: David Vrabel --- drivers/uwb/whc-rc.c | 36 ++++++------------------------------ drivers/uwb/whci.c | 4 ++-- 2 files changed, 8 insertions(+), 32 deletions(-) (limited to 'drivers/uwb') diff --git a/drivers/uwb/whc-rc.c b/drivers/uwb/whc-rc.c index e0d66938ccd..5f00386e26c 100644 --- a/drivers/uwb/whc-rc.c +++ b/drivers/uwb/whc-rc.c @@ -332,47 +332,23 @@ void whcrc_release_rc_umc(struct whcrc *whcrc) static int whcrc_start_rc(struct uwb_rc *rc) { struct whcrc *whcrc = rc->priv; - int result = 0; struct device *dev = &whcrc->umc_dev->dev; - unsigned long start, duration; /* Reset the thing */ le_writel(URCCMD_RESET, whcrc->rc_base + URCCMD); - if (d_test(3)) - start = jiffies; if (whci_wait_for(dev, whcrc->rc_base + URCCMD, URCCMD_RESET, 0, - 5000, "device to reset at init") < 0) { - result = -EBUSY; - goto error; - } else if (d_test(3)) { - duration = jiffies - start; - if (duration > msecs_to_jiffies(40)) - dev_err(dev, "Device took %ums to " - "reset. MAX expected: 40ms\n", - jiffies_to_msecs(duration)); - } + 5000, "hardware reset") < 0) + return -EBUSY; /* Set the event buffer, start the controller (enable IRQs later) */ le_writel(0, whcrc->rc_base + URCINTR); le_writel(URCCMD_RS, whcrc->rc_base + URCCMD); - result = -ETIMEDOUT; - if (d_test(3)) - start = jiffies; if (whci_wait_for(dev, whcrc->rc_base + URCSTS, URCSTS_HALTED, 0, - 5000, "device to start") < 0) - goto error; - if (d_test(3)) { - duration = jiffies - start; - if (duration > msecs_to_jiffies(40)) - dev_err(dev, "Device took %ums to start. " - "MAX expected: 40ms\n", - jiffies_to_msecs(duration)); - } + 5000, "radio controller start") < 0) + return -ETIMEDOUT; whcrc_enable_events(whcrc); - result = 0; le_writel(URCINTR_EN_ALL, whcrc->rc_base + URCINTR); -error: - return result; + return 0; } @@ -394,7 +370,7 @@ void whcrc_stop_rc(struct uwb_rc *rc) le_writel(0, whcrc->rc_base + URCCMD); whci_wait_for(&umc_dev->dev, whcrc->rc_base + URCSTS, - URCSTS_HALTED, URCSTS_HALTED, 100, "URCSTS.HALTED"); + URCSTS_HALTED, URCSTS_HALTED, 100, "radio controller stop"); } static void whcrc_init(struct whcrc *whcrc) diff --git a/drivers/uwb/whci.c b/drivers/uwb/whci.c index e626467f95e..1f8964ed988 100644 --- a/drivers/uwb/whci.c +++ b/drivers/uwb/whci.c @@ -67,11 +67,11 @@ int whci_wait_for(struct device *dev, u32 __iomem *reg, u32 mask, u32 result, val = le_readl(reg); if ((val & mask) == result) break; - msleep(10); if (t >= max_ms) { - dev_err(dev, "timed out waiting for %s ", tag); + dev_err(dev, "%s timed out\n", tag); return -ETIMEDOUT; } + msleep(10); t += 10; } return 0; -- cgit v1.2.3