Thread (34 messages) 34 messages, 6 authors, 2011-07-26
STALE5437d
Revisions (2)
  1. v2 [diff vs current]
  2. v3 current

[PATCH V3 09/19] OMAP3+: SR: disable interrupt by default

From: nm@ti.com (Nishanth Menon)
Date: 2011-03-05 15:29:12
Also in: linux-omap
Subsystem: arm port, omap2+ support, the rest · Maintainers: Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds

We will enable and disable interrupt on a need basis in the class
driver. We need to keep the IRQ disabled by default else the
forceupdate or vcbypass events could trigger events that we don't
need/expect to handle.

This is a preparation for SmartReflex AVS class drivers such as
class 2 and class 1.5 which would need to use interrupts. Existing
SmartReflex AVS class 3 driver does not require to use interrupts
and is not impacted by this change.

Signed-off-by: Nishanth Menon <nm@ti.com>
---
 arch/arm/mach-omap2/smartreflex.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 7096300..f9057ad 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -267,6 +267,7 @@ static int sr_late_init(struct omap_sr *sr_info)
 				0, name, (void *)sr_info);
 		if (ret)
 			goto error;
+		disable_irq(sr_info->irq);
 	}
 
 	if (pdata && pdata->enable_on_init)
-- 
1.7.1
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