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>
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@ -164,15 +164,15 @@ static irqreturn_t omap_bandgap_talert_irq_handler(int irq, void *data)
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u32 t_hot = 0, t_cold = 0, ctrl;
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u32 t_hot = 0, t_cold = 0, ctrl;
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int i;
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int i;
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/* Read the status of t_hot */
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for (i = 0; i < bg_ptr->conf->sensor_count; i++) {
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for (i = 0; i < bg_ptr->conf->sensor_count; i++) {
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tsr = bg_ptr->conf->sensors[i].registers;
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tsr = bg_ptr->conf->sensors[i].registers;
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t_hot = omap_bandgap_readl(bg_ptr, tsr->bgap_status);
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ctrl = omap_bandgap_readl(bg_ptr, tsr->bgap_status);
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t_hot &= tsr->status_hot_mask;
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/* Read the status of t_hot */
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t_hot = ctrl & tsr->status_hot_mask;
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/* Read the status of t_cold */
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/* Read the status of t_cold */
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t_cold = omap_bandgap_readl(bg_ptr, tsr->bgap_status);
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t_cold = ctrl & tsr->status_cold_mask;
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t_cold &= tsr->status_cold_mask;
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if (!t_cold && !t_hot)
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if (!t_cold && !t_hot)
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continue;
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continue;
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