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    Subject[PATCH 14/79] cyclades: sleep instead busy-wait
    Date
    From: Jiri Slaby <jirislaby@gmail.com>

    Avoid long busy loops (5 ms) which may be replaced by sleeps.

    Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
    Signed-off-by: Alan Cox <alan@linux.intel.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
    ---
    drivers/char/cyclades.c | 4 ++--
    1 files changed, 2 insertions(+), 2 deletions(-)

    diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
    index 3884ea4..b6d40ad 100644
    --- a/drivers/char/cyclades.c
    +++ b/drivers/char/cyclades.c
    @@ -389,7 +389,7 @@ static unsigned detect_isa_irq(void __iomem *address)

    irqs = probe_irq_on();
    /* Wait ... */
    - udelay(5000L);
    + msleep(5);

    /* Enable the Tx interrupts on the CD1400 */
    local_irq_save(flags);
    @@ -402,7 +402,7 @@ static unsigned detect_isa_irq(void __iomem *address)
    local_irq_restore(flags);

    /* Wait ... */
    - udelay(5000L);
    + msleep(5);

    /* Check which interrupt is in use */
    irq = probe_irq_off(irqs);
    --
    1.6.4.2


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