Merge branch 'omap-fixes' into omap-fixes-for-linus

6 files changed, 66 insertions, 31 deletions

diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index bd8cb5974726..3f1334f62e7a 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -534,6 +534,8 @@ void __init gpmc_init(void)
 		BUG();
 	}
 
+	clk_enable(gpmc_l3_clk);
+
 	l = gpmc_read_reg(GPMC_REVISION);
 	printk(KERN_INFO "GPMC revision %d.%d\n", (l >> 4) & 0x0f, l & 0x0f);
 	/* Set smart idle mode and automatic L3 clock gating */
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index a091b53657b9..3d65c50bd017 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -188,6 +188,8 @@ void __init omap3_check_revision(void)
 	u16 hawkeye;
 	u8 rev;
 
+	omap_chip.oc = CHIP_IS_OMAP3430;
+
 	/*
 	 * We cannot access revision registers on ES1.0.
 	 * If the processor type is Cortex-A8 and the revision is 0x0
@@ -196,6 +198,7 @@ void __init omap3_check_revision(void)
 	cpuid = read_cpuid(CPUID_ID);
 	if ((((cpuid >> 4) & 0xfff) == 0xc08) && ((cpuid & 0xf) == 0x0)) {
 		omap_revision = OMAP3430_REV_ES1_0;
+		omap_chip.oc |= CHIP_IS_OMAP3430ES1;
 		return;
 	}
 
@@ -216,18 +219,28 @@ void __init omap3_check_revision(void)
 		case 0: /* Take care of early samples */
 		case 1:
 			omap_revision = OMAP3430_REV_ES2_0;
+			omap_chip.oc |= CHIP_IS_OMAP3430ES2;
 			break;
 		case 2:
 			omap_revision = OMAP3430_REV_ES2_1;
+			omap_chip.oc |= CHIP_IS_OMAP3430ES2;
 			break;
 		case 3:
 			omap_revision = OMAP3430_REV_ES3_0;
+			omap_chip.oc |= CHIP_IS_OMAP3430ES3_0;
 			break;
 		case 4:
+			omap_revision = OMAP3430_REV_ES3_1;
+			omap_chip.oc |= CHIP_IS_OMAP3430ES3_1;
+			break;
+		case 7:
 		/* FALLTHROUGH */
 		default:
 			/* Use the latest known revision as default */
-			omap_revision = OMAP3430_REV_ES3_1;
+			omap_revision = OMAP3430_REV_ES3_1_2;
+
+			/* REVISIT: Add CHIP_IS_OMAP3430ES3_1_2? */
+			omap_chip.oc |= CHIP_IS_OMAP3430ES3_1;
 		}
 		break;
 	case 0xb868:
@@ -235,14 +248,18 @@ void __init omap3_check_revision(void)
 		 *
 		 * Set the device to be OMAP3505 here. Actual device
 		 * is identified later based on the features.
+		 *
+		 * REVISIT: AM3505/AM3517 should have their own CHIP_IS
 		 */
 		omap_revision = OMAP3505_REV(rev);
+		omap_chip.oc |= CHIP_IS_OMAP3430ES3_1;
 		break;
 	case 0xb891:
 	/* FALLTHROUGH */
 	default:
 		/* Unknown default to latest silicon rev as default*/
 		omap_revision = OMAP3630_REV_ES1_0;
+		omap_chip.oc |= CHIP_IS_OMAP3630ES1;
 	}
 }
 
@@ -360,6 +377,7 @@ void __init omap2_check_revision(void)
 		omap3_check_revision();
 		omap3_check_features();
 		omap3_cpuinfo();
+		return;
 	} else if (cpu_is_omap44xx()) {
 		omap4_check_revision();
 		return;
@@ -374,27 +392,14 @@ void __init omap2_check_revision(void)
 	if (cpu_is_omap243x()) {
 		/* Currently only supports 2430ES2.1 and 2430-all */
 		omap_chip.oc |= CHIP_IS_OMAP2430;
+		return;
 	} else if (cpu_is_omap242x()) {
 		/* Currently only supports 2420ES2.1.1 and 2420-all */
 		omap_chip.oc |= CHIP_IS_OMAP2420;
-	} else if (cpu_is_omap3505() || cpu_is_omap3517()) {
-		omap_chip.oc = CHIP_IS_OMAP3430 | CHIP_IS_OMAP3430ES3_1;
-	} else if (cpu_is_omap343x()) {
-		omap_chip.oc = CHIP_IS_OMAP3430;
-		if (omap_rev() == OMAP3430_REV_ES1_0)
-			omap_chip.oc |= CHIP_IS_OMAP3430ES1;
-		else if (omap_rev() >= OMAP3430_REV_ES2_0 &&
-			 omap_rev() <= OMAP3430_REV_ES2_1)
-			omap_chip.oc |= CHIP_IS_OMAP3430ES2;
-		else if (omap_rev() == OMAP3430_REV_ES3_0)
-			omap_chip.oc |= CHIP_IS_OMAP3430ES3_0;
-		else if (omap_rev() == OMAP3430_REV_ES3_1)
-			omap_chip.oc |= CHIP_IS_OMAP3430ES3_1;
-		else if (omap_rev() == OMAP3630_REV_ES1_0)
-			omap_chip.oc |= CHIP_IS_OMAP3630ES1;
-	} else {
-		pr_err("Uninitialized omap_chip, please fix!\n");
+		return;
 	}
+
+	pr_err("Uninitialized omap_chip, please fix!\n");
 }
 
 /*
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 459ef23ab8a8..3f59bd12cbbf 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -51,7 +51,7 @@ struct omap_mux_entry {
 static unsigned long mux_phys;
 static void __iomem *mux_base;
 
-static inline u16 omap_mux_read(u16 reg)
+u16 omap_mux_read(u16 reg)
 {
 	if (cpu_is_omap24xx())
 		return __raw_readb(mux_base + reg);
@@ -59,7 +59,7 @@ static inline u16 omap_mux_read(u16 reg)
 		return __raw_readw(mux_base + reg);
 }
 
-static inline void omap_mux_write(u16 val, u16 reg)
+void omap_mux_write(u16 val, u16 reg)
 {
 	if (cpu_is_omap24xx())
 		__raw_writeb(val, mux_base + reg);
@@ -67,6 +67,14 @@ static inline void omap_mux_write(u16 val, u16 reg)
 		__raw_writew(val, mux_base + reg);
 }
 
+void omap_mux_write_array(struct omap_board_mux *board_mux)
+{
+	while (board_mux->reg_offset !=  OMAP_MUX_TERMINATOR) {
+		omap_mux_write(board_mux->value, board_mux->reg_offset);
+		board_mux++;
+	}
+}
+
 #if defined(CONFIG_ARCH_OMAP24XX) && defined(CONFIG_OMAP_MUX)
 
 static struct omap_mux_cfg arch_mux_cfg;
@@ -833,14 +841,6 @@ static void __init omap_mux_set_cmdline_signals(void)
 	kfree(options);
 }
 
-static void __init omap_mux_set_board_signals(struct omap_board_mux *board_mux)
-{
-	while (board_mux->reg_offset !=  OMAP_MUX_TERMINATOR) {
-		omap_mux_write(board_mux->value, board_mux->reg_offset);
-		board_mux++;
-	}
-}
-
 static int __init omap_mux_copy_names(struct omap_mux *src,
 					struct omap_mux *dst)
 {
@@ -998,12 +998,15 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size,
 		omap_mux_package_fixup(package_subset, superset);
 	if (package_balls)
 		omap_mux_package_init_balls(package_balls, superset);
-	omap_mux_set_cmdline_signals();
-	omap_mux_set_board_signals(board_mux);
 #endif
 
 	omap_mux_init_list(superset);
 
+#ifdef CONFIG_OMAP_MUX
+	omap_mux_set_cmdline_signals();
+	omap_mux_write_array(board_mux);
+#endif
+
 	return 0;
 }
 
diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index d8b4d5ad2278..f8c2e7a8f063 100644
--- a/arch/arm/mach-omap2/mux.h
+++ b/arch/arm/mach-omap2/mux.h
@@ -147,6 +147,30 @@ u16 omap_mux_get_gpio(int gpio);
 void omap_mux_set_gpio(u16 val, int gpio);
 
 /**
+ * omap_mux_read() - read mux register
+ * @mux_offset:		Offset of the mux register
+ *
+ */
+u16 omap_mux_read(u16 mux_offset);
+
+/**
+ * omap_mux_write() - write mux register
+ * @val:		New mux register value
+ * @mux_offset:		Offset of the mux register
+ *
+ * This should be only needed for dynamic remuxing of non-gpio signals.
+ */
+void omap_mux_write(u16 val, u16 mux_offset);
+
+/**
+ * omap_mux_write_array() - write an array of mux registers
+ * @board_mux:		Array of mux registers terminated by MAP_MUX_TERMINATOR
+ *
+ * This should be only needed for dynamic remuxing of non-gpio signals.
+ */
+void omap_mux_write_array(struct omap_board_mux *board_mux);
+
+/**
  * omap3_mux_init() - initialize mux system with board specific set
  * @board_mux:		Board specific mux table
  * @flags:		OMAP package type used for the board
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 09d82b3c66ce..728c64204184 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -1183,7 +1183,7 @@ void omap_dma_unlink_lch(int lch_head, int lch_queue)
 	}
 
 	if ((dma_chan[lch_head].flags & OMAP_DMA_ACTIVE) ||
-	    (dma_chan[lch_head].flags & OMAP_DMA_ACTIVE)) {
+	    (dma_chan[lch_queue].flags & OMAP_DMA_ACTIVE)) {
 		printk(KERN_ERR "omap_dma: You need to stop the DMA channels "
 		       "before unlinking\n");
 		dump_stack();
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index 9a028bdebb06..a162f585b1e3 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -434,6 +434,7 @@ IS_OMAP_TYPE(3517, 0x3517)
 #define OMAP3430_REV_ES2_1	0x34302034
 #define OMAP3430_REV_ES3_0	0x34303034
 #define OMAP3430_REV_ES3_1	0x34304034
+#define OMAP3430_REV_ES3_1_2	0x34305034
 
 #define OMAP3630_REV_ES1_0	0x36300034