X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=drivers%2Fstaging%2Fomap-thermal%2Fomap-bandgap.c;h=8346e3450f837474ccbe0326772db66d2541e470;hb=2989950cea13711f0cc573c26cde8fe08a36be03;hp=368a2e19b2d4581e04f694df0369761011552665;hpb=b7e97d22113bcaafff93774e3085f5b567eaba9c;p=~andy%2Flinux

diff --git a/drivers/staging/omap-thermal/omap-bandgap.c b/drivers/staging/omap-thermal/omap-bandgap.c
index 368a2e19b2d..8346e3450f8 100644
--- a/drivers/staging/omap-thermal/omap-bandgap.c
+++ b/drivers/staging/omap-thermal/omap-bandgap.c
@@ -38,6 +38,7 @@
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
 #include <linux/of_irq.h>
+#include <linux/io.h>
 
 #include "omap-bandgap.h"
 
@@ -112,6 +113,11 @@ static irqreturn_t talert_irq_handler(int irq, void *data)
 
 		omap_bandgap_writel(bg_ptr, ctrl, tsr->bgap_mask_ctrl);
 
+		dev_dbg(bg_ptr->dev,
+			"%s: IRQ from %s sensor: hotevent %d coldevent %d\n",
+			__func__, bg_ptr->conf->sensors[i].domain,
+			t_hot, t_cold);
+
 		/* read temperature */
 		temp = omap_bandgap_readl(bg_ptr, tsr->temp_sensor_ctrl);
 		temp &= tsr->bgap_dtemp_mask;
@@ -843,7 +849,7 @@ static struct omap_bandgap *omap_bandgap_build(struct platform_device *pdev)
 }
 
 static
-int __devinit omap_bandgap_probe(struct platform_device *pdev)
+int omap_bandgap_probe(struct platform_device *pdev)
 {
 	struct omap_bandgap *bg_ptr;
 	int clk_rate, ret = 0, i;
@@ -992,7 +998,7 @@ free_irqs:
 }
 
 static
-int __devexit omap_bandgap_remove(struct platform_device *pdev)
+int omap_bandgap_remove(struct platform_device *pdev)
 {
 	struct omap_bandgap *bg_ptr = platform_get_drvdata(pdev);
 	int i;
@@ -1059,7 +1065,6 @@ static int omap_bandgap_save_ctxt(struct omap_bandgap *bg_ptr)
 static int omap_bandgap_restore_ctxt(struct omap_bandgap *bg_ptr)
 {
 	int i;
-	u32 temp = 0;
 
 	for (i = 0; i < bg_ptr->conf->sensor_count; i++) {
 		struct temp_sensor_registers *tsr;
@@ -1072,41 +1077,27 @@ static int omap_bandgap_restore_ctxt(struct omap_bandgap *bg_ptr)
 		if (OMAP_BANDGAP_HAS(bg_ptr, COUNTER))
 			val = omap_bandgap_readl(bg_ptr, tsr->bgap_counter);
 
-		if (val == 0) {
-			if (OMAP_BANDGAP_HAS(bg_ptr, TSHUT_CONFIG))
-				omap_bandgap_writel(bg_ptr,
-					rval->tshut_threshold,
-						   tsr->tshut_threshold);
-			/* Force immediate temperature measurement and update
-			 * of the DTEMP field
-			 */
-			omap_bandgap_force_single_read(bg_ptr, i);
-
-			if (OMAP_BANDGAP_HAS(bg_ptr, COUNTER))
-				omap_bandgap_writel(bg_ptr, rval->bg_counter,
-							   tsr->bgap_counter);
-			if (OMAP_BANDGAP_HAS(bg_ptr, MODE_CONFIG))
-				omap_bandgap_writel(bg_ptr, rval->bg_mode_ctrl,
-							   tsr->bgap_mode_ctrl);
-			if (OMAP_BANDGAP_HAS(bg_ptr, TALERT)) {
-				omap_bandgap_writel(bg_ptr,
-							   rval->bg_threshold,
-							   tsr->bgap_threshold);
-				omap_bandgap_writel(bg_ptr, rval->bg_ctrl,
-							   tsr->bgap_mask_ctrl);
-			}
-		} else {
-			temp = omap_bandgap_readl(bg_ptr,
-						  tsr->temp_sensor_ctrl);
-			temp &= (tsr->bgap_dtemp_mask);
-			omap_bandgap_force_single_read(bg_ptr, i);
-			if (temp == 0 && OMAP_BANDGAP_HAS(bg_ptr, TALERT)) {
-				temp = omap_bandgap_readl(bg_ptr,
-							  tsr->bgap_mask_ctrl);
-				temp |= 1 << __ffs(tsr->mode_ctrl_mask);
-				omap_bandgap_writel(bg_ptr, temp,
-							   tsr->bgap_mask_ctrl);
-			}
+		if (OMAP_BANDGAP_HAS(bg_ptr, TSHUT_CONFIG))
+			omap_bandgap_writel(bg_ptr,
+				rval->tshut_threshold,
+					   tsr->tshut_threshold);
+		/* Force immediate temperature measurement and update
+		 * of the DTEMP field
+		 */
+		omap_bandgap_force_single_read(bg_ptr, i);
+
+		if (OMAP_BANDGAP_HAS(bg_ptr, COUNTER))
+			omap_bandgap_writel(bg_ptr, rval->bg_counter,
+						   tsr->bgap_counter);
+		if (OMAP_BANDGAP_HAS(bg_ptr, MODE_CONFIG))
+			omap_bandgap_writel(bg_ptr, rval->bg_mode_ctrl,
+						   tsr->bgap_mode_ctrl);
+		if (OMAP_BANDGAP_HAS(bg_ptr, TALERT)) {
+			omap_bandgap_writel(bg_ptr,
+						   rval->bg_threshold,
+						   tsr->bgap_threshold);
+			omap_bandgap_writel(bg_ptr, rval->bg_ctrl,
+						   tsr->bgap_mask_ctrl);
 		}
 	}