---

yaml --- r: 359836 b: refs/heads/master c: 1e3d8fe h: refs/heads/master v: v3
git-mirror · Feb 6, 2013 · d966970 · d966970
1 parent 6102627
commit d966970
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Showing 3 changed files with 7 additions and 15 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: db27c0c0d05cafc0eb0bed4d58daea65ed5e6839
+refs/heads/master: 1e3d8fe771881de323396aaa1efd20243fa974cb
diff --git a/trunk/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/trunk/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -121,7 +121,12 @@ static struct omap_hwmod omap2420_i2c1_hwmod = {
 	},
 	.class		= &i2c_class,
 	.dev_attr	= &i2c_dev_attr,
-	.flags		= HWMOD_16BIT_REG,
+	/*
+	 * From mach-omap2/pm24xx.c: "Putting MPU into the WFI state
+	 * while a transfer is active seems to cause the I2C block to
+	 * timeout. Why? Good question."
+	 */
+	.flags		= (HWMOD_16BIT_REG | HWMOD_BLOCK_WFI),
 };
 
 /* I2C2 */

diff --git a/trunk/arch/arm/mach-omap2/pm24xx.c b/trunk/arch/arm/mach-omap2/pm24xx.c
@@ -139,14 +139,6 @@ static int omap2_enter_full_retention(void)
 	return 0;
 }
 
-static int omap2_i2c_active(void)
-{
-	u32 l;
-
-	l = omap2_cm_read_mod_reg(CORE_MOD, CM_FCLKEN1);
-	return l & (OMAP2420_EN_I2C2_MASK | OMAP2420_EN_I2C1_MASK);
-}
-
 static int sti_console_enabled;
 
 static int omap2_allow_mpu_retention(void)
@@ -173,11 +165,6 @@ static void omap2_enter_mpu_retention(void)
 {
 	const int zero = 0;
 
-	/* Putting MPU into the WFI state while a transfer is active
-	 * seems to cause the I2C block to timeout. Why? Good question. */
-	if (omap2_i2c_active())
-		return;
-
 	/* The peripherals seem not to be able to wake up the MPU when
 	 * it is in retention mode. */
 	if (omap2_allow_mpu_retention()) {