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| author | Eduardo Valentin <eduardo.valentin@ti.com> | 2013-03-15 13:00:04 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-15 16:02:10 (GMT) |
| commit | e555c95648408de12b7278c730764c7644d72b08 (patch) | |
| tree | 7d0abf0dafc8502b2956e34cdc72be126ef403f0 | |
| parent | 7cf46dbf0a3f0ae98f1e71425e7b50d6478e2457 (diff) | |
| download | linux-fsl-qoriq-e555c95648408de12b7278c730764c7644d72b08.tar.xz | |
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>
| -rw-r--r-- | drivers/staging/omap-thermal/omap-bandgap.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c index 531e853..fce3942 100644 --- a/drivers/staging/omap-thermal/omap-bandgap.c +++ b/drivers/staging/omap-thermal/omap-bandgap.c @@ -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; |