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staging: omap-thermal: read status only once inside alert IRQ 

There is no need to re-read status register.

Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Eduardo Valentin 2013-03-15 09:00:04 -04:00 committed by Greg Kroah-Hartman
parent 7cf46dbf0a
commit e555c95648
1 changed files with 5 additions and 5 deletions
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10
drivers/staging/omap-thermal/omap-bandgap.c
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@ -164,15 +164,15 @@ static irqreturn_t omap_bandgap_talert_irq_handler(int irq, void *data)
u32 t_hot = 0, t_cold = 0, ctrl;
int i;
/* Read the status of t_hot */
for (i = 0; i < bg_ptr->conf->sensor_count; i++) {
tsr = bg_ptr->conf->sensors[i].registers;
t_hot = omap_bandgap_readl(bg_ptr, tsr->bgap_status);
t_hot &= tsr->status_hot_mask;
ctrl = omap_bandgap_readl(bg_ptr, tsr->bgap_status);
/* Read the status of t_hot */
t_hot = ctrl & tsr->status_hot_mask;
/* Read the status of t_cold */
t_cold = omap_bandgap_readl(bg_ptr, tsr->bgap_status);
t_cold &= tsr->status_cold_mask;
t_cold = ctrl & tsr->status_cold_mask;
if (!t_cold && !t_hot)
continue;