Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e555c956 authored by Eduardo Valentin's avatar Eduardo Valentin Committed by Greg Kroah-Hartman
Browse files

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



There is no need to re-read status register.

Signed-off-by: default avatarEduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7cf46dbf

drivers/staging/omap-thermal/omap-bandgap.c

+5 −5
Original line number Diff line number Diff line
@@ -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;