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[PARISC] Use work queue in LED/LCD driver instead of tasklet.

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2.6.12-rc1-pa6 use work queue in LED/LCD driver instead of tasklet.

Main advantage is it allows use of msleep() in the led_LCD_driver to
"atomically" perform two MMIO writes (CMD, then DATA).
Lead to nice cleanup of the main led_work_func() and led_LCD_driver().
Kudos to David for being persistent.

From: David Pye <dmp@davidmpye.dyndns.org>
Signed-off-by: Grant Grundler <grundler@parisc-linux.org>

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Grant Grundler
2005-10-21 22:46:18 -04:00
committed by Kyle McMartin
parent ba1f188cae
commit 3499495205
3 changed files with 112 additions and 124 deletions
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8
arch/parisc/kernel/time.c
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@@ -89,14 +89,6 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
}
}
#ifdef CONFIG_CHASSIS_LCD_LED
/* Only schedule the led tasklet on cpu 0, and only if it
* is enabled.
*/
if (cpu == 0 && !atomic_read(&led_tasklet.count))
tasklet_schedule(&led_tasklet);
#endif
/* check soft power switch status */
if (cpu == 0 && !atomic_read(&power_tasklet.count))
tasklet_schedule(&power_tasklet);