---

yaml --- r: 272597 b: refs/heads/master c: 1a64588 h: refs/heads/master i: 272595: be1ef69 v: v3
git-mirror · Sep 27, 2011 · 9f7ad7e · 9f7ad7e
1 parent 91afd52
commit 9f7ad7e
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Showing 4 changed files with 16 additions and 35 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cdc71514a0f4f3e8c995f18d1119cef01a501dac
+refs/heads/master: 1a6458847dd25e7ade3d633e5a374b836e38b9ae
diff --git a/trunk/arch/arm/mach-omap2/mcbsp.c b/trunk/arch/arm/mach-omap2/mcbsp.c
@@ -141,6 +141,9 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
 			pdata->buffer_size = 0x80;
 	}
 
+	if (oh->class->rev >= MCBSP_CONFIG_TYPE3)
+		pdata->has_wakeup = true;
+
 	oh_device[0] = oh;
 
 	if (oh->dev_attr) {

diff --git a/trunk/arch/arm/plat-omap/include/plat/mcbsp.h b/trunk/arch/arm/plat-omap/include/plat/mcbsp.h
@@ -317,6 +317,9 @@ struct omap_mcbsp_platform_data {
 	u16 buffer_size;
 	u8 reg_size;
 	u8 reg_step;
+
+	/* McBSP platform and instance specific features */
+	bool has_wakeup; /* Wakeup capability */
 };
 
 struct omap_mcbsp_st_data {

diff --git a/trunk/arch/arm/plat-omap/mcbsp.c b/trunk/arch/arm/plat-omap/mcbsp.c
@@ -659,35 +659,7 @@ int omap_mcbsp_get_dma_op_mode(unsigned int id)
 }
 EXPORT_SYMBOL(omap_mcbsp_get_dma_op_mode);
 
-static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp)
-{
-	/*
-	 * Enable wakup behavior, smart idle and all wakeups
-	 * REVISIT: some wakeups may be unnecessary
-	 */
-	if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
-		MCBSP_WRITE(mcbsp, WAKEUPEN, XRDYEN | RRDYEN);
-	}
-}
-
-static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp)
-{
-	/*
-	 * Disable wakup behavior, smart idle and all wakeups
-	 */
-	if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
-		/*
-		 * HW bug workaround - If no_idle mode is taken, we need to
-		 * go to smart_idle before going to always_idle, or the
-		 * device will not hit retention anymore.
-		 */
-
-		MCBSP_WRITE(mcbsp, WAKEUPEN, 0);
-	}
-}
 #else
-static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp) {}
-static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp) {}
 static inline void omap_st_start(struct omap_mcbsp *mcbsp) {}
 static inline void omap_st_stop(struct omap_mcbsp *mcbsp) {}
 #endif
@@ -726,8 +698,9 @@ int omap_mcbsp_request(unsigned int id)
 
 	pm_runtime_get_sync(mcbsp->dev);
 
-	/* Do procedure specific to omap34xx arch, if applicable */
-	omap34xx_mcbsp_request(mcbsp);
+	/* Enable wakeup behavior */
+	if (mcbsp->pdata->has_wakeup)
+		MCBSP_WRITE(mcbsp, WAKEUPEN, XRDYEN | RRDYEN);
 
 	/*
 	 * Make sure that transmitter, receiver and sample-rate generator are
@@ -764,8 +737,9 @@ int omap_mcbsp_request(unsigned int id)
 	if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free)
 		mcbsp->pdata->ops->free(id);
 
-	/* Do procedure specific to omap34xx arch, if applicable */
-	omap34xx_mcbsp_free(mcbsp);
+	/* Disable wakeup behavior */
+	if (mcbsp->pdata->has_wakeup)
+		MCBSP_WRITE(mcbsp, WAKEUPEN, 0);
 
 	pm_runtime_put_sync(mcbsp->dev);
 
@@ -794,8 +768,9 @@ void omap_mcbsp_free(unsigned int id)
 	if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free)
 		mcbsp->pdata->ops->free(id);
 
-	/* Do procedure specific to omap34xx arch, if applicable */
-	omap34xx_mcbsp_free(mcbsp);
+	/* Disable wakeup behavior */
+	if (mcbsp->pdata->has_wakeup)
+		MCBSP_WRITE(mcbsp, WAKEUPEN, 0);
 
 	pm_runtime_put_sync(mcbsp->dev);