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authorEduardo Valentin <eduardo.valentin@ti.com>2013-03-15 09:00:02 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-15 09:02:10 -0700
commit79857cd28ed5f738ef1d548bda797b171ac4ee5d (patch)
tree4f2f32df53981bbe3d8ab4f3c32dfff1a8a121e0 /drivers/staging/omap-thermal/omap-bandgap.c
parentee07d55abb660726dd93aec4b7f1de36c6e777f0 (diff)
staging: omap-thermal: update tshut IRQ handler documentation
Documents tshut handler better. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/omap-thermal/omap-bandgap.c')
-rw-r--r--drivers/staging/omap-thermal/omap-bandgap.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c
index aa60b7b920dc..d0db361d5e29 100644
--- a/drivers/staging/omap-thermal/omap-bandgap.c
+++ b/drivers/staging/omap-thermal/omap-bandgap.c
@@ -207,7 +207,15 @@ static irqreturn_t omap_bandgap_talert_irq_handler(int irq, void *data)
return IRQ_HANDLED;
}
-/* This is the Tshut handler. Call it only if HAS(TSHUT) is set */
+/**
+ * omap_bandgap_tshut_irq_handler() - handles Temperature shutdown signal
+ * @irq: IRQ number
+ * @data: private data (unused)
+ *
+ * This is the Tshut handler. Use it only if bandgap device features
+ * HAS(TSHUT). If any sensor fires the Tshut signal, we simply shutdown
+ * the system.
+ */
static irqreturn_t omap_bandgap_tshut_irq_handler(int irq, void *data)
{
pr_emerg("%s: TSHUT temperature reached. Needs shut down...\n",