Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6

* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (143 commits)
  omap: mailbox: reorganize headers
  omap: mailbox: standarize on 'omap-mailbox'
  omap: mailbox: only compile for configured archs
  omap: mailbox: simplify omap_mbox_register()
  omap: mailbox: reorganize registering
  omap: mailbox: add IRQ names
  omap: mailbox: remove unecessary fields
  omap: mailbox: don't export unecessary symbols
  omap: mailbox: update omap1 probing
  omap: mailbox: use correct config for omap1
  omap: mailbox: 2420 should be detected at run-time
  omap: mailbox: reorganize structures
  omap: mailbox: trivial cleanups
  omap mailbox: Set a device in logical mbox instance for traceability
  omap: mailbox: convert block api to kfifo
  omap: mailbox: remove (un)likely macros from cold paths
  omap: mailbox cleanup: split MODULE_AUTHOR line
  omap: mailbox: convert rwlocks to spinlock
  Mailbox: disable mailbox interrupt when request queue
  Mailbox: new mutext lock for h/w mailbox configuration
  ...

1 files changed, 25 insertions, 313 deletions

diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 8b3d26935a3..ab403b2ed26 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -37,12 +37,12 @@
 #include <asm/system.h>
 
 #include <plat/control.h>
-#include <plat/mux.h>
 
 #include "mux.h"
 
 #define OMAP_MUX_BASE_OFFSET		0x30	/* Offset from CTRL_BASE */
 #define OMAP_MUX_BASE_SZ		0x5ca
+#define MUXABLE_GPIO_MODE3		BIT(0)
 
 struct omap_mux_entry {
 	struct omap_mux		mux;
@@ -51,6 +51,7 @@ struct omap_mux_entry {
 
 static unsigned long mux_phys;
 static void __iomem *mux_base;
+static u8 omap_mux_flags;
 
 u16 omap_mux_read(u16 reg)
 {
@@ -76,301 +77,6 @@ void omap_mux_write_array(struct omap_board_mux *board_mux)
 	}
 }
 
-#if defined(CONFIG_ARCH_OMAP2) && defined(CONFIG_OMAP_MUX)
-
-static struct omap_mux_cfg arch_mux_cfg;
-
-/* NOTE: See mux.h for the enumeration */
-
-static struct pin_config __initdata_or_module omap24xx_pins[] = {
-/*
- *	description			mux	mux	pull	pull	debug
- *					offset	mode	ena	type
- */
-
-/* 24xx I2C */
-MUX_CFG_24XX("M19_24XX_I2C1_SCL",	0x111,	0,	0,	0,	1)
-MUX_CFG_24XX("L15_24XX_I2C1_SDA",	0x112,	0,	0,	0,	1)
-MUX_CFG_24XX("J15_24XX_I2C2_SCL",	0x113,	0,	0,	1,	1)
-MUX_CFG_24XX("H19_24XX_I2C2_SDA",	0x114,	0,	0,	0,	1)
-
-/* Menelaus interrupt */
-MUX_CFG_24XX("W19_24XX_SYS_NIRQ",	0x12c,	0,	1,	1,	1)
-
-/* 24xx clocks */
-MUX_CFG_24XX("W14_24XX_SYS_CLKOUT",	0x137,	0,	1,	1,	1)
-
-/* 24xx GPMC chipselects, wait pin monitoring */
-MUX_CFG_24XX("E2_GPMC_NCS2",		0x08e,	0,	1,	1,	1)
-MUX_CFG_24XX("L2_GPMC_NCS7",		0x093,	0,	1,	1,	1)
-MUX_CFG_24XX("L3_GPMC_WAIT0",		0x09a,	0,	1,	1,	1)
-MUX_CFG_24XX("N7_GPMC_WAIT1",		0x09b,	0,	1,	1,	1)
-MUX_CFG_24XX("M1_GPMC_WAIT2",		0x09c,	0,	1,	1,	1)
-MUX_CFG_24XX("P1_GPMC_WAIT3",		0x09d,	0,	1,	1,	1)
-
-/* 24xx McBSP */
-MUX_CFG_24XX("Y15_24XX_MCBSP2_CLKX",	0x124,	1,	1,	0,	1)
-MUX_CFG_24XX("R14_24XX_MCBSP2_FSX",	0x125,	1,	1,	0,	1)
-MUX_CFG_24XX("W15_24XX_MCBSP2_DR",	0x126,	1,	1,	0,	1)
-MUX_CFG_24XX("V15_24XX_MCBSP2_DX",	0x127,	1,	1,	0,	1)
-
-/* 24xx GPIO */
-MUX_CFG_24XX("M21_242X_GPIO11",		0x0c9,	3,	1,	1,	1)
-MUX_CFG_24XX("P21_242X_GPIO12",		0x0ca,	3,	0,	0,	1)
-MUX_CFG_24XX("AA10_242X_GPIO13",	0x0e5,	3,	0,	0,	1)
-MUX_CFG_24XX("AA6_242X_GPIO14",		0x0e6,	3,	0,	0,	1)
-MUX_CFG_24XX("AA4_242X_GPIO15",		0x0e7,	3,	0,	0,	1)
-MUX_CFG_24XX("Y11_242X_GPIO16",		0x0e8,	3,	0,	0,	1)
-MUX_CFG_24XX("AA12_242X_GPIO17",	0x0e9,	3,	0,	0,	1)
-MUX_CFG_24XX("AA8_242X_GPIO58",		0x0ea,	3,	0,	0,	1)
-MUX_CFG_24XX("Y20_24XX_GPIO60",		0x12c,	3,	0,	0,	1)
-MUX_CFG_24XX("W4__24XX_GPIO74",		0x0f2,	3,	0,	0,	1)
-MUX_CFG_24XX("N15_24XX_GPIO85",		0x103,	3,	0,	0,	1)
-MUX_CFG_24XX("M15_24XX_GPIO92",		0x10a,	3,	0,	0,	1)
-MUX_CFG_24XX("P20_24XX_GPIO93",		0x10b,	3,	0,	0,	1)
-MUX_CFG_24XX("P18_24XX_GPIO95",		0x10d,	3,	0,	0,	1)
-MUX_CFG_24XX("M18_24XX_GPIO96",		0x10e,	3,	0,	0,	1)
-MUX_CFG_24XX("L14_24XX_GPIO97",		0x10f,	3,	0,	0,	1)
-MUX_CFG_24XX("J15_24XX_GPIO99",		0x113,	3,	1,	1,	1)
-MUX_CFG_24XX("V14_24XX_GPIO117",	0x128,	3,	1,	0,	1)
-MUX_CFG_24XX("P14_24XX_GPIO125",	0x140,	3,	1,	1,	1)
-
-/* 242x DBG GPIO */
-MUX_CFG_24XX("V4_242X_GPIO49",		0xd3,	3,	0,	0,	1)
-MUX_CFG_24XX("W2_242X_GPIO50",		0xd4,	3,	0,	0,	1)
-MUX_CFG_24XX("U4_242X_GPIO51",		0xd5,	3,	0,	0,	1)
-MUX_CFG_24XX("V3_242X_GPIO52",		0xd6,	3,	0,	0,	1)
-MUX_CFG_24XX("V2_242X_GPIO53",		0xd7,	3,	0,	0,	1)
-MUX_CFG_24XX("V6_242X_GPIO53",		0xcf,	3,	0,	0,	1)
-MUX_CFG_24XX("T4_242X_GPIO54",		0xd8,	3,	0,	0,	1)
-MUX_CFG_24XX("Y4_242X_GPIO54",		0xd0,	3,	0,	0,	1)
-MUX_CFG_24XX("T3_242X_GPIO55",		0xd9,	3,	0,	0,	1)
-MUX_CFG_24XX("U2_242X_GPIO56",		0xda,	3,	0,	0,	1)
-
-/* 24xx external DMA requests */
-MUX_CFG_24XX("AA10_242X_DMAREQ0",	0x0e5,	2,	0,	0,	1)
-MUX_CFG_24XX("AA6_242X_DMAREQ1",	0x0e6,	2,	0,	0,	1)
-MUX_CFG_24XX("E4_242X_DMAREQ2",		0x074,	2,	0,	0,	1)
-MUX_CFG_24XX("G4_242X_DMAREQ3",		0x073,	2,	0,	0,	1)
-MUX_CFG_24XX("D3_242X_DMAREQ4",		0x072,	2,	0,	0,	1)
-MUX_CFG_24XX("E3_242X_DMAREQ5",		0x071,	2,	0,	0,	1)
-
-/* UART3 */
-MUX_CFG_24XX("K15_24XX_UART3_TX",	0x118,	0,	0,	0,	1)
-MUX_CFG_24XX("K14_24XX_UART3_RX",	0x119,	0,	0,	0,	1)
-
-/* MMC/SDIO */
-MUX_CFG_24XX("G19_24XX_MMC_CLKO",	0x0f3,	0,	0,	0,	1)
-MUX_CFG_24XX("H18_24XX_MMC_CMD",	0x0f4,	0,	0,	0,	1)
-MUX_CFG_24XX("F20_24XX_MMC_DAT0",	0x0f5,	0,	0,	0,	1)
-MUX_CFG_24XX("H14_24XX_MMC_DAT1",	0x0f6,	0,	0,	0,	1)
-MUX_CFG_24XX("E19_24XX_MMC_DAT2",	0x0f7,	0,	0,	0,	1)
-MUX_CFG_24XX("D19_24XX_MMC_DAT3",	0x0f8,	0,	0,	0,	1)
-MUX_CFG_24XX("F19_24XX_MMC_DAT_DIR0",	0x0f9,	0,	0,	0,	1)
-MUX_CFG_24XX("E20_24XX_MMC_DAT_DIR1",	0x0fa,	0,	0,	0,	1)
-MUX_CFG_24XX("F18_24XX_MMC_DAT_DIR2",	0x0fb,	0,	0,	0,	1)
-MUX_CFG_24XX("E18_24XX_MMC_DAT_DIR3",	0x0fc,	0,	0,	0,	1)
-MUX_CFG_24XX("G18_24XX_MMC_CMD_DIR",	0x0fd,	0,	0,	0,	1)
-MUX_CFG_24XX("H15_24XX_MMC_CLKI",	0x0fe,	0,	0,	0,	1)
-
-/* Full speed USB */
-MUX_CFG_24XX("J20_24XX_USB0_PUEN",	0x11d,	0,	0,	0,	1)
-MUX_CFG_24XX("J19_24XX_USB0_VP",	0x11e,	0,	0,	0,	1)
-MUX_CFG_24XX("K20_24XX_USB0_VM",	0x11f,	0,	0,	0,	1)
-MUX_CFG_24XX("J18_24XX_USB0_RCV",	0x120,	0,	0,	0,	1)
-MUX_CFG_24XX("K19_24XX_USB0_TXEN",	0x121,	0,	0,	0,	1)
-MUX_CFG_24XX("J14_24XX_USB0_SE0",	0x122,	0,	0,	0,	1)
-MUX_CFG_24XX("K18_24XX_USB0_DAT",	0x123,	0,	0,	0,	1)
-
-MUX_CFG_24XX("N14_24XX_USB1_SE0",	0x0ed,	2,	0,	0,	1)
-MUX_CFG_24XX("W12_24XX_USB1_SE0",	0x0dd,	3,	0,	0,	1)
-MUX_CFG_24XX("P15_24XX_USB1_DAT",	0x0ee,	2,	0,	0,	1)
-MUX_CFG_24XX("R13_24XX_USB1_DAT",	0x0e0,	3,	0,	0,	1)
-MUX_CFG_24XX("W20_24XX_USB1_TXEN",	0x0ec,	2,	0,	0,	1)
-MUX_CFG_24XX("P13_24XX_USB1_TXEN",	0x0df,	3,	0,	0,	1)
-MUX_CFG_24XX("V19_24XX_USB1_RCV",	0x0eb,	2,	0,	0,	1)
-MUX_CFG_24XX("V12_24XX_USB1_RCV",	0x0de,	3,	0,	0,	1)
-
-MUX_CFG_24XX("AA10_24XX_USB2_SE0",	0x0e5,	2,	0,	0,	1)
-MUX_CFG_24XX("Y11_24XX_USB2_DAT",	0x0e8,	2,	0,	0,	1)
-MUX_CFG_24XX("AA12_24XX_USB2_TXEN",	0x0e9,	2,	0,	0,	1)
-MUX_CFG_24XX("AA6_24XX_USB2_RCV",	0x0e6,	2,	0,	0,	1)
-MUX_CFG_24XX("AA4_24XX_USB2_TLLSE0",	0x0e7,	2,	0,	0,	1)
-
-/* Keypad GPIO*/
-MUX_CFG_24XX("T19_24XX_KBR0",		0x106,	3,	1,	1,	1)
-MUX_CFG_24XX("R19_24XX_KBR1",		0x107,	3,	1,	1,	1)
-MUX_CFG_24XX("V18_24XX_KBR2",		0x139,	3,	1,	1,	1)
-MUX_CFG_24XX("M21_24XX_KBR3",		0xc9,	3,	1,	1,	1)
-MUX_CFG_24XX("E5__24XX_KBR4",		0x138,	3,	1,	1,	1)
-MUX_CFG_24XX("M18_24XX_KBR5",		0x10e,	3,	1,	1,	1)
-MUX_CFG_24XX("R20_24XX_KBC0",		0x108,	3,	0,	0,	1)
-MUX_CFG_24XX("M14_24XX_KBC1",		0x109,	3,	0,	0,	1)
-MUX_CFG_24XX("H19_24XX_KBC2",		0x114,	3,	0,	0,	1)
-MUX_CFG_24XX("V17_24XX_KBC3",		0x135,	3,	0,	0,	1)
-MUX_CFG_24XX("P21_24XX_KBC4",		0xca,	3,	0,	0,	1)
-MUX_CFG_24XX("L14_24XX_KBC5",		0x10f,	3,	0,	0,	1)
-MUX_CFG_24XX("N19_24XX_KBC6",		0x110,	3,	0,	0,	1)
-
-/* 24xx Menelaus Keypad GPIO */
-MUX_CFG_24XX("B3__24XX_KBR5",		0x30,	3,	1,	1,	1)
-MUX_CFG_24XX("AA4_24XX_KBC2",		0xe7,	3,	0,	0,	1)
-MUX_CFG_24XX("B13_24XX_KBC6",		0x110,	3,	0,	0,	1)
-
-/* 2430 USB */
-MUX_CFG_24XX("AD9_2430_USB0_PUEN",	0x133,	4,	0,	0,	1)
-MUX_CFG_24XX("Y11_2430_USB0_VP",	0x134,	4,	0,	0,	1)
-MUX_CFG_24XX("AD7_2430_USB0_VM",	0x135,	4,	0,	0,	1)
-MUX_CFG_24XX("AE7_2430_USB0_RCV",	0x136,	4,	0,	0,	1)
-MUX_CFG_24XX("AD4_2430_USB0_TXEN",	0x137,	4,	0,	0,	1)
-MUX_CFG_24XX("AF9_2430_USB0_SE0",	0x138,	4,	0,	0,	1)
-MUX_CFG_24XX("AE6_2430_USB0_DAT",	0x139,	4,	0,	0,	1)
-MUX_CFG_24XX("AD24_2430_USB1_SE0",	0x107,	2,	0,	0,	1)
-MUX_CFG_24XX("AB24_2430_USB1_RCV",	0x108,	2,	0,	0,	1)
-MUX_CFG_24XX("Y25_2430_USB1_TXEN",	0x109,	2,	0,	0,	1)
-MUX_CFG_24XX("AA26_2430_USB1_DAT",	0x10A,	2,	0,	0,	1)
-
-/* 2430 HS-USB */
-MUX_CFG_24XX("AD9_2430_USB0HS_DATA3",	0x133,	0,	0,	0,	1)
-MUX_CFG_24XX("Y11_2430_USB0HS_DATA4",	0x134,	0,	0,	0,	1)
-MUX_CFG_24XX("AD7_2430_USB0HS_DATA5",	0x135,	0,	0,	0,	1)
-MUX_CFG_24XX("AE7_2430_USB0HS_DATA6",	0x136,	0,	0,	0,	1)
-MUX_CFG_24XX("AD4_2430_USB0HS_DATA2",	0x137,	0,	0,	0,	1)
-MUX_CFG_24XX("AF9_2430_USB0HS_DATA0",	0x138,	0,	0,	0,	1)
-MUX_CFG_24XX("AE6_2430_USB0HS_DATA1",	0x139,	0,	0,	0,	1)
-MUX_CFG_24XX("AE8_2430_USB0HS_CLK",	0x13A,	0,	0,	0,	1)
-MUX_CFG_24XX("AD8_2430_USB0HS_DIR",	0x13B,	0,	0,	0,	1)
-MUX_CFG_24XX("AE5_2430_USB0HS_STP",	0x13c,	0,	1,	1,	1)
-MUX_CFG_24XX("AE9_2430_USB0HS_NXT",	0x13D,	0,	0,	0,	1)
-MUX_CFG_24XX("AC7_2430_USB0HS_DATA7",	0x13E,	0,	0,	0,	1)
-
-/* 2430 McBSP */
-MUX_CFG_24XX("AD6_2430_MCBSP_CLKS",	0x011E,	0,	0,	0,	1)
-
-MUX_CFG_24XX("AB2_2430_MCBSP1_CLKR",	0x011A,	0,	0,	0,	1)
-MUX_CFG_24XX("AD5_2430_MCBSP1_FSR",	0x011B,	0,	0,	0,	1)
-MUX_CFG_24XX("AA1_2430_MCBSP1_DX",	0x011C,	0,	0,	0,	1)
-MUX_CFG_24XX("AF3_2430_MCBSP1_DR",	0x011D,	0,	0,	0,	1)
-MUX_CFG_24XX("AB3_2430_MCBSP1_FSX",	0x011F,	0,	0,	0,	1)
-MUX_CFG_24XX("Y9_2430_MCBSP1_CLKX",	0x0120,	0,	0,	0,	1)
-
-MUX_CFG_24XX("AC10_2430_MCBSP2_FSX",	0x012E,	1,	0,	0,	1)
-MUX_CFG_24XX("AD16_2430_MCBSP2_CLX",	0x012F,	1,	0,	0,	1)
-MUX_CFG_24XX("AE13_2430_MCBSP2_DX",	0x0130,	1,	0,	0,	1)
-MUX_CFG_24XX("AD13_2430_MCBSP2_DR",	0x0131,	1,	0,	0,	1)
-MUX_CFG_24XX("AC10_2430_MCBSP2_FSX_OFF",0x012E,	0,	0,	0,	1)
-MUX_CFG_24XX("AD16_2430_MCBSP2_CLX_OFF",0x012F,	0,	0,	0,	1)
-MUX_CFG_24XX("AE13_2430_MCBSP2_DX_OFF",	0x0130,	0,	0,	0,	1)
-MUX_CFG_24XX("AD13_2430_MCBSP2_DR_OFF",	0x0131,	0,	0,	0,	1)
-
-MUX_CFG_24XX("AC9_2430_MCBSP3_CLKX",	0x0103,	0,	0,	0,	1)
-MUX_CFG_24XX("AE4_2430_MCBSP3_FSX",	0x0104,	0,	0,	0,	1)
-MUX_CFG_24XX("AE2_2430_MCBSP3_DR",	0x0105,	0,	0,	0,	1)
-MUX_CFG_24XX("AF4_2430_MCBSP3_DX",	0x0106,	0,	0,	0,	1)
-
-MUX_CFG_24XX("N3_2430_MCBSP4_CLKX",	0x010B,	1,	0,	0,	1)
-MUX_CFG_24XX("AD23_2430_MCBSP4_DR",	0x010C,	1,	0,	0,	1)
-MUX_CFG_24XX("AB25_2430_MCBSP4_DX",	0x010D,	1,	0,	0,	1)
-MUX_CFG_24XX("AC25_2430_MCBSP4_FSX",	0x010E,	1,	0,	0,	1)
-
-MUX_CFG_24XX("AE16_2430_MCBSP5_CLKX",	0x00ED,	1,	0,	0,	1)
-MUX_CFG_24XX("AF12_2430_MCBSP5_FSX",	0x00ED,	1,	0,	0,	1)
-MUX_CFG_24XX("K7_2430_MCBSP5_DX",	0x00EF,	1,	0,	0,	1)
-MUX_CFG_24XX("M1_2430_MCBSP5_DR",	0x00F0,	1,	0,	0,	1)
-
-/* 2430 MCSPI1 */
-MUX_CFG_24XX("Y18_2430_MCSPI1_CLK",	0x010F,	0,	0,	0,	1)
-MUX_CFG_24XX("AD15_2430_MCSPI1_SIMO",	0x0110,	0,	0,	0,	1)
-MUX_CFG_24XX("AE17_2430_MCSPI1_SOMI",	0x0111,	0,	0,	0,	1)
-MUX_CFG_24XX("U1_2430_MCSPI1_CS0",	0x0112,	0,	0,	0,	1)
-
-/* Touchscreen GPIO */
-MUX_CFG_24XX("AF19_2430_GPIO_85",	0x0113,	3,	0,	0,	1)
-
-};
-
-#define OMAP24XX_PINS_SZ	ARRAY_SIZE(omap24xx_pins)
-
-#if defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS)
-
-static void __init_or_module omap2_cfg_debug(const struct pin_config *cfg, u16 reg)
-{
-	u16 orig;
-	u8 warn = 0, debug = 0;
-
-	orig = omap_mux_read(cfg->mux_reg - OMAP_MUX_BASE_OFFSET);
-
-#ifdef	CONFIG_OMAP_MUX_DEBUG
-	debug = cfg->debug;
-#endif
-	warn = (orig != reg);
-	if (debug || warn)
-		printk(KERN_WARNING
-			"MUX: setup %s (0x%p): 0x%04x -> 0x%04x\n",
-			cfg->name, omap_ctrl_base_get() + cfg->mux_reg,
-			orig, reg);
-}
-#else
-#define omap2_cfg_debug(x, y)	do {} while (0)
-#endif
-
-static int __init_or_module omap24xx_cfg_reg(const struct pin_config *cfg)
-{
-	static DEFINE_SPINLOCK(mux_spin_lock);
-	unsigned long flags;
-	u8 reg = 0;
-
-	spin_lock_irqsave(&mux_spin_lock, flags);
-	reg |= cfg->mask & 0x7;
-	if (cfg->pull_val)
-		reg |= OMAP2_PULL_ENA;
-	if (cfg->pu_pd_val)
-		reg |= OMAP2_PULL_UP;
-	omap2_cfg_debug(cfg, reg);
-	omap_mux_write(reg, cfg->mux_reg - OMAP_MUX_BASE_OFFSET);
-	spin_unlock_irqrestore(&mux_spin_lock, flags);
-
-	return 0;
-}
-
-int __init omap2_mux_init(void)
-{
-	u32 mux_pbase;
-
-	if (cpu_is_omap2420())
-		mux_pbase = OMAP2420_CTRL_BASE + OMAP_MUX_BASE_OFFSET;
-	else if (cpu_is_omap2430())
-		mux_pbase = OMAP243X_CTRL_BASE + OMAP_MUX_BASE_OFFSET;
-	else
-		return -ENODEV;
-
-	mux_base = ioremap(mux_pbase, OMAP_MUX_BASE_SZ);
-	if (!mux_base) {
-		printk(KERN_ERR "mux: Could not ioremap\n");
-		return -ENODEV;
-	}
-
-	if (cpu_is_omap24xx()) {
-		arch_mux_cfg.pins	= omap24xx_pins;
-		arch_mux_cfg.size	= OMAP24XX_PINS_SZ;
-		arch_mux_cfg.cfg_reg	= omap24xx_cfg_reg;
-
-		return omap_mux_register(&arch_mux_cfg);
-	}
-
-	return 0;
-}
-
-#else
-int __init omap2_mux_init(void)
-{
-	return 0;
-}
-#endif	/* CONFIG_OMAP_MUX */
-
-/*----------------------------------------------------------------------------*/
-
-#ifdef CONFIG_ARCH_OMAP3
 static LIST_HEAD(muxmodes);
 static DEFINE_MUTEX(muxmode_mutex);
 
@@ -381,6 +87,9 @@ static char *omap_mux_options;
 int __init omap_mux_init_gpio(int gpio, int val)
 {
 	struct omap_mux_entry *e;
+	struct omap_mux *gpio_mux;
+	u16 old_mode;
+	u16 mux_mode;
 	int found = 0;
 
 	if (!gpio)
@@ -389,31 +98,33 @@ int __init omap_mux_init_gpio(int gpio, int val)
 	list_for_each_entry(e, &muxmodes, node) {
 		struct omap_mux *m = &e->mux;
 		if (gpio == m->gpio) {
-			u16 old_mode;
-			u16 mux_mode;
-
-			old_mode = omap_mux_read(m->reg_offset);
-			mux_mode = val & ~(OMAP_MUX_NR_MODES - 1);
-			mux_mode |= OMAP_MUX_MODE4;
-			printk(KERN_DEBUG "mux: Setting signal "
-				"%s.gpio%i 0x%04x -> 0x%04x\n",
-				m->muxnames[0], gpio, old_mode, mux_mode);
-			omap_mux_write(mux_mode, m->reg_offset);
+			gpio_mux = m;
 			found++;
 		}
 	}
 
-	if (found == 1)
-		return 0;
+	if (found == 0) {
+		printk(KERN_ERR "mux: Could not set gpio%i\n", gpio);
+		return -ENODEV;
+	}
 
 	if (found > 1) {
-		printk(KERN_ERR "mux: Multiple gpio paths for gpio%i\n", gpio);
+		printk(KERN_INFO "mux: Multiple gpio paths (%d) for gpio%i\n",
+				found, gpio);
 		return -EINVAL;
 	}
 
-	printk(KERN_ERR "mux: Could not set gpio%i\n", gpio);
+	old_mode = omap_mux_read(gpio_mux->reg_offset);
+	mux_mode = val & ~(OMAP_MUX_NR_MODES - 1);
+	if (omap_mux_flags & MUXABLE_GPIO_MODE3)
+		mux_mode |= OMAP_MUX_MODE3;
+	else
+		mux_mode |= OMAP_MUX_MODE4;
+	printk(KERN_DEBUG "mux: Setting signal %s.gpio%i 0x%04x -> 0x%04x\n",
+			gpio_mux->muxnames[0], gpio, old_mode, mux_mode);
+	omap_mux_write(mux_mode, gpio_mux->reg_offset);
 
-	return -ENODEV;
+	return 0;
 }
 
 int __init omap_mux_init_signal(char *muxname, int val)
@@ -1032,6 +743,9 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size,
 		return -ENODEV;
 	}
 
+	if (cpu_is_omap24xx())
+		omap_mux_flags = MUXABLE_GPIO_MODE3;
+
 	omap_mux_init_package(superset, package_subset, package_balls);
 	omap_mux_init_list(superset);
 	omap_mux_init_signals(board_mux);
@@ -1039,5 +753,3 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size,
 	return 0;
 }
 
-#endif	/* CONFIG_ARCH_OMAP3 */
-