Merge branch 'pxa' into devel

20 files changed, 651 insertions, 287 deletions

diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index bb5466b27b59..00fad11733ad 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -31,6 +31,8 @@
 #include <linux/interrupt.h>
 #include <linux/i2c-pxa.h>
 #include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/clk.h>
 
 #include <asm/hardware.h>
 #include <asm/irq.h>
@@ -48,6 +50,7 @@ struct pxa_i2c {
         unsigned int            slave_addr;
 
         struct i2c_adapter      adap;
+        struct clk              *clk;
 #ifdef CONFIG_I2C_PXA_SLAVE
         struct i2c_slave_client *slave;
 #endif
@@ -869,6 +872,12 @@ static int i2c_pxa_probe(struct platform_device *dev)
 
         sprintf(i2c->adap.name, "pxa_i2c-i2c.%u", dev->id);
 
+        i2c->clk = clk_get(&dev->dev, "I2CCLK");
+        if (IS_ERR(i2c->clk)) {
+                ret = PTR_ERR(i2c->clk);
+                goto eclk;
+        }
+
         i2c->reg_base = ioremap(res->start, res_len(res));
         if (!i2c->reg_base) {
                 ret = -EIO;
@@ -889,22 +898,19 @@ static int i2c_pxa_probe(struct platform_device *dev)
         }
 #endif
 
+        clk_enable(i2c->clk);
+#ifdef CONFIG_PXA27x
         switch (dev->id) {
         case 0:
-#ifdef CONFIG_PXA27x
                 pxa_gpio_mode(GPIO117_I2CSCL_MD);
                 pxa_gpio_mode(GPIO118_I2CSDA_MD);
-#endif
-                pxa_set_cken(CKEN_I2C, 1);
                 break;
-#ifdef CONFIG_PXA27x
         case 1:
                 local_irq_disable();
                 PCFR |= PCFR_PI2CEN;
                 local_irq_enable();
-                pxa_set_cken(CKEN_PWRI2C, 1);
-#endif
         }
+#endif
 
         ret = request_irq(irq, i2c_pxa_handler, IRQF_DISABLED,
                           i2c->adap.name, i2c);
@@ -948,19 +954,18 @@ static int i2c_pxa_probe(struct platform_device *dev)
 eadapt:
         free_irq(irq, i2c);
 ereqirq:
-        switch (dev->id) {
-        case 0:
-                pxa_set_cken(CKEN_I2C, 0);
-                break;
+        clk_disable(i2c->clk);
+
 #ifdef CONFIG_PXA27x
-        case 1:
-                pxa_set_cken(CKEN_PWRI2C, 0);
+        if (dev->id == 1) {
                 local_irq_disable();
                 PCFR &= ~PCFR_PI2CEN;
                 local_irq_enable();
-#endif
         }
+#endif
 eremap:
+        clk_put(i2c->clk);
+eclk:
         kfree(i2c);
 emalloc:
         release_mem_region(res->start, res_len(res));
@@ -975,18 +980,18 @@ static int i2c_pxa_remove(struct platform_device *dev)
 
         i2c_del_adapter(&i2c->adap);
         free_irq(i2c->irq, i2c);
-        switch (dev->id) {
-        case 0:
-                pxa_set_cken(CKEN_I2C, 0);
-                break;
+
+        clk_disable(i2c->clk);
+        clk_put(i2c->clk);
+
 #ifdef CONFIG_PXA27x
-        case 1:
-                pxa_set_cken(CKEN_PWRI2C, 0);
+        if (dev->id == 1) {
                 local_irq_disable();
                 PCFR &= ~PCFR_PI2CEN;
                 local_irq_enable();
-#endif
         }
+#endif
+
         release_mem_region(i2c->iobase, i2c->iosize);
         kfree(i2c);
 
diff --git a/drivers/input/keyboard/pxa27x_keyboard.c b/drivers/input/keyboard/pxa27x_keyboard.c
index ebe5eacf2990..b7061aa38816 100644
--- a/drivers/input/keyboard/pxa27x_keyboard.c
+++ b/drivers/input/keyboard/pxa27x_keyboard.c
@@ -23,6 +23,8 @@
 #include <linux/input.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/err.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -40,6 +42,8 @@
                                  col/2 == 2 ? KPASMKP2 : KPASMKP3)
 #define KPASMKPx_MKC(row, col)  (1 << (row + 16 * (col % 2)))
 
+static struct clk *pxakbd_clk;
+
 static irqreturn_t pxakbd_irq_handler(int irq, void *dev_id)
 {
         struct platform_device *pdev = dev_id;
@@ -104,7 +108,7 @@ static int pxakbd_open(struct input_dev *dev)
         KPREC = 0x7F;
 
         /* Enable unit clock */
-        pxa_set_cken(CKEN_KEYPAD, 1);
+        clk_enable(pxakbd_clk);
 
         return 0;
 }
@@ -112,7 +116,7 @@ static int pxakbd_open(struct input_dev *dev)
 static void pxakbd_close(struct input_dev *dev)
 {
         /* Disable clock unit */
-        pxa_set_cken(CKEN_KEYPAD, 0);
+        clk_disable(pxakbd_clk);
 }
 
 #ifdef CONFIG_PM
@@ -140,7 +144,8 @@ static int pxakbd_resume(struct platform_device *pdev)
                 KPREC = pdata->reg_kprec;
 
                 /* Enable unit clock */
-                pxa_set_cken(CKEN_KEYPAD, 1);
+                clk_disable(pxakbd_clk);
+                clk_enable(pxakbd_clk);
         }
 
         mutex_unlock(&input_dev->mutex);
@@ -158,11 +163,18 @@ static int __devinit pxakbd_probe(struct platform_device *pdev)
         struct input_dev *input_dev;
         int i, row, col, error;
 
+        pxakbd_clk = clk_get(&pdev->dev, "KBDCLK");
+        if (IS_ERR(pxakbd_clk)) {
+                error = PTR_ERR(pxakbd_clk);
+                goto err_clk;
+        }
+
         /* Create and register the input driver. */
         input_dev = input_allocate_device();
         if (!input_dev) {
                 printk(KERN_ERR "Cannot request keypad device\n");
-                return -ENOMEM;
+                error = -ENOMEM;
+                goto err_alloc;
         }
 
         input_dev->name = DRIVER_NAME;
@@ -185,7 +197,6 @@ static int __devinit pxakbd_probe(struct platform_device *pdev)
                             DRIVER_NAME, pdev);
         if (error) {
                 printk(KERN_ERR "Cannot request keypad IRQ\n");
-                pxa_set_cken(CKEN_KEYPAD, 0);
                 goto err_free_dev;
         }
 
@@ -217,6 +228,9 @@ static int __devinit pxakbd_probe(struct platform_device *pdev)
         free_irq(IRQ_KEYPAD, pdev);
  err_free_dev:
         input_free_device(input_dev);
+ err_alloc:
+        clk_put(pxakbd_clk);
+ err_clk:
         return error;
 }
 
@@ -226,6 +240,7 @@ static int __devexit pxakbd_remove(struct platform_device *pdev)
 
         input_unregister_device(input_dev);
         free_irq(IRQ_KEYPAD, pdev);
+        clk_put(pxakbd_clk);
         platform_set_drvdata(pdev, NULL);
 
         return 0;
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 3cb23210b912..257b44094e4c 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -108,6 +108,12 @@ config LEDS_GPIO
           outputs. To be useful the particular board must have LEDs
           and they must be connected to the GPIO lines.
 
+config LEDS_CM_X270
+        tristate "LED Support for the CM-X270 LEDs"
+        depends on LEDS_CLASS && MACH_ARMCORE
+        help
+          This option enables support for the CM-X270 LEDs.
+
 comment "LED Triggers"
 
 config LEDS_TRIGGERS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index d2ca1abbc3d2..a60de1b46c2c 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_LEDS_H1940)		+= leds-h1940.o
 obj-$(CONFIG_LEDS_COBALT_QUBE)          += leds-cobalt-qube.o
 obj-$(CONFIG_LEDS_COBALT_RAQ)           += leds-cobalt-raq.o
 obj-$(CONFIG_LEDS_GPIO)                 += leds-gpio.o
+obj-$(CONFIG_LEDS_CM_X270)              += leds-cm-x270.o
 
 # LED Triggers
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)        += ledtrig-timer.o
diff --git a/drivers/leds/leds-cm-x270.c b/drivers/leds/leds-cm-x270.c
new file mode 100644
index 000000000000..9aebef02a974
--- /dev/null
+++ b/drivers/leds/leds-cm-x270.c
@@ -0,0 +1,122 @@
+/*
+ * drivers/leds/leds-cm-x270.c
+ *
+ * Copyright 2007 CompuLab Ltd.
+ * Author: Mike Rapoport <mike@compulab.co.il>
+ *
+ * Based on leds-corgi.c
+ * Author: Richard Purdie <rpurdie@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+
+#define GPIO_RED_LED                    (93)
+#define GPIO_GREEN_LED                  (94)
+
+static void cmx270_red_set(struct led_classdev *led_cdev,
+                           enum led_brightness value)
+{
+        if (value)
+                GPCR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);
+        else
+                GPSR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);
+}
+
+static void cmx270_green_set(struct led_classdev *led_cdev,
+                             enum led_brightness value)
+{
+        if (value)
+                GPCR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);
+        else
+                GPSR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);
+}
+
+static struct led_classdev cmx270_red_led = {
+        .name                   = "cm-x270:red",
+        .default_trigger        = "nand-disk",
+        .brightness_set         = cmx270_red_set,
+};
+
+static struct led_classdev cmx270_green_led = {
+        .name                   = "cm-x270:green",
+        .default_trigger        = "heartbeat",
+        .brightness_set         = cmx270_green_set,
+};
+
+#ifdef CONFIG_PM
+static int cmx270led_suspend(struct platform_device *dev, pm_message_t state)
+{
+        led_classdev_suspend(&cmx270_red_led);
+        led_classdev_suspend(&cmx270_green_led);
+        return 0;
+}
+
+static int cmx270led_resume(struct platform_device *dev)
+{
+        led_classdev_resume(&cmx270_red_led);
+        led_classdev_resume(&cmx270_green_led);
+        return 0;
+}
+#endif
+
+static int cmx270led_probe(struct platform_device *pdev)
+{
+        int ret;
+
+        ret = led_classdev_register(&pdev->dev, &cmx270_red_led);
+        if (ret < 0)
+                return ret;
+
+        ret = led_classdev_register(&pdev->dev, &cmx270_green_led);
+        if (ret < 0)
+                led_classdev_unregister(&cmx270_red_led);
+
+        return ret;
+}
+
+static int cmx270led_remove(struct platform_device *pdev)
+{
+        led_classdev_unregister(&cmx270_red_led);
+        led_classdev_unregister(&cmx270_green_led);
+        return 0;
+}
+
+static struct platform_driver cmx270led_driver = {
+        .probe          = cmx270led_probe,
+        .remove         = cmx270led_remove,
+#ifdef CONFIG_PM
+        .suspend        = cmx270led_suspend,
+        .resume         = cmx270led_resume,
+#endif
+        .driver         = {
+                .name           = "cm-x270-led",
+        },
+};
+
+static int __init cmx270led_init(void)
+{
+        return platform_driver_register(&cmx270led_driver);
+}
+
+static void __exit cmx270led_exit(void)
+{
+        platform_driver_unregister(&cmx270led_driver);
+}
+
+module_init(cmx270led_init);
+module_exit(cmx270led_exit);
+
+MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
+MODULE_DESCRIPTION("CM-x270 LED driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index 657901eecfce..0601e01aa2c2 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -23,6 +23,8 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/dma-mapping.h>
+#include <linux/clk.h>
+#include <linux/err.h>
 #include <linux/mmc/host.h>
 
 #include <asm/dma.h>
@@ -44,6 +46,8 @@ struct pxamci_host {
         spinlock_t              lock;
         struct resource         *res;
         void __iomem            *base;
+        struct clk              *clk;
+        unsigned long           clkrate;
         int                     irq;
         int                     dma;
         unsigned int            clkrt;
@@ -119,7 +123,7 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
         writel(nob, host->base + MMC_NOB);
         writel(data->blksz, host->base + MMC_BLKLEN);
 
-        clks = (unsigned long long)data->timeout_ns * CLOCKRATE;
+        clks = (unsigned long long)data->timeout_ns * host->clkrate;
         do_div(clks, 1000000000UL);
         timeout = (unsigned int)clks + (data->timeout_clks << host->clkrt);
         writel((timeout + 255) / 256, host->base + MMC_RDTO);
@@ -365,18 +369,25 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
         struct pxamci_host *host = mmc_priv(mmc);
 
         if (ios->clock) {
-                unsigned int clk = CLOCKRATE / ios->clock;
-                if (CLOCKRATE / clk > ios->clock)
+                unsigned long rate = host->clkrate;
+                unsigned int clk = rate / ios->clock;
+
+                /*
+                 * clk might result in a lower divisor than we
+                 * desire.  check for that condition and adjust
+                 * as appropriate.
+                 */
+                if (rate / clk > ios->clock)
                         clk <<= 1;
                 host->clkrt = fls(clk) - 1;
-                pxa_set_cken(CKEN_MMC, 1);
+                clk_enable(host->clk);
 
                 /*
                  * we write clkrt on the next command
                  */
         } else {
                 pxamci_stop_clock(host);
-                pxa_set_cken(CKEN_MMC, 0);
+                clk_disable(host->clk);
         }
 
         if (host->power_mode != ios->power_mode) {
@@ -462,8 +473,6 @@ static int pxamci_probe(struct platform_device *pdev)
         }
 
         mmc->ops = &pxamci_ops;
-        mmc->f_min = CLOCKRATE_MIN;
-        mmc->f_max = CLOCKRATE_MAX;
 
         /*
          * We can do SG-DMA, but we don't because we never know how much
@@ -490,6 +499,22 @@ static int pxamci_probe(struct platform_device *pdev)
         host->mmc = mmc;
         host->dma = -1;
         host->pdata = pdev->dev.platform_data;
+
+        host->clk = clk_get(&pdev->dev, "MMCCLK");
+        if (IS_ERR(host->clk)) {
+                ret = PTR_ERR(host->clk);
+                host->clk = NULL;
+                goto out;
+        }
+
+        host->clkrate = clk_get_rate(host->clk);
+
+        /*
+         * Calculate minimum clock rate, rounding up.
+         */
+        mmc->f_min = (host->clkrate + 63) / 64;
+        mmc->f_max = host->clkrate;
+
         mmc->ocr_avail = host->pdata ?
                          host->pdata->ocr_mask :
                          MMC_VDD_32_33|MMC_VDD_33_34;
@@ -554,6 +579,8 @@ static int pxamci_probe(struct platform_device *pdev)
                         iounmap(host->base);
                 if (host->sg_cpu)
                         dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
+                if (host->clk)
+                        clk_put(host->clk);
         }
         if (mmc)
                 mmc_free_host(mmc);
@@ -588,6 +615,8 @@ static int pxamci_remove(struct platform_device *pdev)
                 iounmap(host->base);
                 dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
 
+                clk_put(host->clk);
+
                 release_resource(host->res);
 
                 mmc_free_host(mmc);
diff --git a/drivers/mmc/host/pxamci.h b/drivers/mmc/host/pxamci.h
index 3153e779d46a..748c7706f237 100644
--- a/drivers/mmc/host/pxamci.h
+++ b/drivers/mmc/host/pxamci.h
@@ -88,17 +88,3 @@
 #define MMC_RXFIFO      0x0040  /* 8 bit */
 
 #define MMC_TXFIFO      0x0044  /* 8 bit */
-
-/*
- * The base MMC clock rate
- */
-#ifdef CONFIG_PXA27x
-#define CLOCKRATE_MIN   304688
-#define CLOCKRATE_MAX   19500000
-#else
-#define CLOCKRATE_MIN   312500
-#define CLOCKRATE_MAX   20000000
-#endif
-
-#define CLOCKRATE       CLOCKRATE_MAX
-
diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c
index 55ff0fbe525a..8c09344f58dc 100644
--- a/drivers/net/irda/pxaficp_ir.c
+++ b/drivers/net/irda/pxaficp_ir.c
@@ -23,6 +23,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
+#include <linux/clk.h>
 
 #include <net/irda/irda.h>
 #include <net/irda/irmod.h>
@@ -87,8 +88,30 @@ struct pxa_irda {
 
         struct device           *dev;
         struct pxaficp_platform_data *pdata;
+        struct clk              *fir_clk;
+        struct clk              *sir_clk;
+        struct clk              *cur_clk;
 };
 
+static inline void pxa_irda_disable_clk(struct pxa_irda *si)
+{
+        if (si->cur_clk)
+                clk_disable(si->cur_clk);
+        si->cur_clk = NULL;
+}
+
+static inline void pxa_irda_enable_firclk(struct pxa_irda *si)
+{
+        si->cur_clk = si->fir_clk;
+        clk_enable(si->fir_clk);
+}
+
+static inline void pxa_irda_enable_sirclk(struct pxa_irda *si)
+{
+        si->cur_clk = si->sir_clk;
+        clk_enable(si->sir_clk);
+}
+
 
 #define IS_FIR(si)              ((si)->speed >= 4000000)
 #define IRDA_FRAME_SIZE_LIMIT   2047
@@ -134,7 +157,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed)
                         DCSR(si->rxdma) &= ~DCSR_RUN;
                         /* disable FICP */
                         ICCR0 = 0;
-                        pxa_set_cken(CKEN_FICP, 0);
+                        pxa_irda_disable_clk(si);
 
                         /* set board transceiver to SIR mode */
                         si->pdata->transceiver_mode(si->dev, IR_SIRMODE);
@@ -144,7 +167,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed)
                         pxa_gpio_mode(GPIO47_STTXD_MD);
 
                         /* enable the STUART clock */
-                        pxa_set_cken(CKEN_STUART, 1);
+                        pxa_irda_enable_sirclk(si);
                 }
 
                 /* disable STUART first */
@@ -169,7 +192,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed)
                 /* disable STUART */
                 STIER = 0;
                 STISR = 0;
-                pxa_set_cken(CKEN_STUART, 0);
+                pxa_irda_disable_clk(si);
 
                 /* disable FICP first */
                 ICCR0 = 0;
@@ -182,7 +205,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed)
                 pxa_gpio_mode(GPIO47_ICPTXD_MD);
 
                 /* enable the FICP clock */
-                pxa_set_cken(CKEN_FICP, 1);
+                pxa_irda_enable_firclk(si);
 
                 si->speed = speed;
                 pxa_irda_fir_dma_rx_start(si);
@@ -592,16 +615,15 @@ static void pxa_irda_shutdown(struct pxa_irda *si)
         STIER = 0;
         /* disable STUART SIR mode */
         STISR = 0;
-        /* disable the STUART clock */
-        pxa_set_cken(CKEN_STUART, 0);
 
         /* disable DMA */
         DCSR(si->txdma) &= ~DCSR_RUN;
         DCSR(si->rxdma) &= ~DCSR_RUN;
         /* disable FICP */
         ICCR0 = 0;
-        /* disable the FICP clock */
-        pxa_set_cken(CKEN_FICP, 0);
+
+        /* disable the STUART or FICP clocks */
+        pxa_irda_disable_clk(si);
 
         DRCMR17 = 0;
         DRCMR18 = 0;
@@ -792,6 +814,13 @@ static int pxa_irda_probe(struct platform_device *pdev)
         si->dev = &pdev->dev;
         si->pdata = pdev->dev.platform_data;
 
+        si->sir_clk = clk_get(&pdev->dev, "UARTCLK");
+        si->fir_clk = clk_get(&pdev->dev, "FICPCLK");
+        if (IS_ERR(si->sir_clk) || IS_ERR(si->fir_clk)) {
+                err = PTR_ERR(IS_ERR(si->sir_clk) ? si->sir_clk : si->fir_clk);
+                goto err_mem_4;
+        }
+
         /*
          * Initialise the SIR buffers
          */
@@ -831,6 +860,10 @@ static int pxa_irda_probe(struct platform_device *pdev)
 err_mem_5:
                 kfree(si->rx_buff.head);
 err_mem_4:
+                if (si->sir_clk && !IS_ERR(si->sir_clk))
+                        clk_put(si->sir_clk);
+                if (si->fir_clk && !IS_ERR(si->fir_clk))
+                        clk_put(si->fir_clk);
                 free_netdev(dev);
 err_mem_3:
                 release_mem_region(__PREG(FICP), 0x1c);
@@ -850,6 +883,8 @@ static int pxa_irda_remove(struct platform_device *_dev)
                 unregister_netdev(dev);
                 kfree(si->tx_buff.head);
                 kfree(si->rx_buff.head);
+                clk_put(si->fir_clk);
+                clk_put(si->sir_clk);
                 free_netdev(dev);
         }
 
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index 24e610e711e8..7da7589d45dd 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -173,49 +173,6 @@ MODULE_LICENSE("GPL");
  */
 #define MII_DELAY               1
 
-/* store this information for the driver.. */
-struct smc_local {
-        /*
-         * If I have to wait until memory is available to send a
-         * packet, I will store the skbuff here, until I get the
-         * desired memory.  Then, I'll send it out and free it.
-         */
-        struct sk_buff *pending_tx_skb;
-        struct tasklet_struct tx_task;
-
-        /* version/revision of the SMC91x chip */
-        int     version;
-
-        /* Contains the current active transmission mode */
-        int     tcr_cur_mode;
-
-        /* Contains the current active receive mode */
-        int     rcr_cur_mode;
-
-        /* Contains the current active receive/phy mode */
-        int     rpc_cur_mode;
-        int     ctl_rfduplx;
-        int     ctl_rspeed;
-
-        u32     msg_enable;
-        u32     phy_type;
-        struct mii_if_info mii;
-
-        /* work queue */
-        struct work_struct phy_configure;
-        struct net_device *dev;
-        int     work_pending;
-
-        spinlock_t lock;
-
-#ifdef SMC_USE_PXA_DMA
-        /* DMA needs the physical address of the chip */
-        u_long physaddr;
-#endif
-        void __iomem *base;
-        void __iomem *datacs;
-};
-
 #if SMC_DEBUG > 0
 #define DBG(n, args...)                                 \
         do {                                            \
@@ -2215,17 +2172,19 @@ static int smc_drv_probe(struct platform_device *pdev)
                 goto out_release_attrib;
         }
 
-        platform_set_drvdata(pdev, ndev);
-        ret = smc_probe(ndev, addr);
-        if (ret != 0)
-                goto out_iounmap;
 #ifdef SMC_USE_PXA_DMA
-        else {
+        {
                 struct smc_local *lp = netdev_priv(ndev);
+                lp->device = &pdev->dev;
                 lp->physaddr = res->start;
         }
 #endif
 
+        platform_set_drvdata(pdev, ndev);
+        ret = smc_probe(ndev, addr);
+        if (ret != 0)
+                goto out_iounmap;
+
         smc_request_datacs(pdev, ndev);
 
         return 0;
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index af9e6bf59552..729fd28c08b5 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -462,6 +462,52 @@ static inline void LPD7_SMC_outsw (unsigned char* a, int r,
 
 #endif
 
+
+/* store this information for the driver.. */
+struct smc_local {
+        /*
+         * If I have to wait until memory is available to send a
+         * packet, I will store the skbuff here, until I get the
+         * desired memory.  Then, I'll send it out and free it.
+         */
+        struct sk_buff *pending_tx_skb;
+        struct tasklet_struct tx_task;
+
+        /* version/revision of the SMC91x chip */
+        int     version;
+
+        /* Contains the current active transmission mode */
+        int     tcr_cur_mode;
+
+        /* Contains the current active receive mode */
+        int     rcr_cur_mode;
+
+        /* Contains the current active receive/phy mode */
+        int     rpc_cur_mode;
+        int     ctl_rfduplx;
+        int     ctl_rspeed;
+
+        u32     msg_enable;
+        u32     phy_type;
+        struct mii_if_info mii;
+
+        /* work queue */
+        struct work_struct phy_configure;
+        struct net_device *dev;
+        int     work_pending;
+
+        spinlock_t lock;
+
+#ifdef SMC_USE_PXA_DMA
+        /* DMA needs the physical address of the chip */
+        u_long physaddr;
+        struct device *device;
+#endif
+        void __iomem *base;
+        void __iomem *datacs;
+};
+
+
 #ifdef SMC_USE_PXA_DMA
 /*
  * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
@@ -476,11 +522,12 @@ static inline void LPD7_SMC_outsw (unsigned char* a, int r,
 #ifdef SMC_insl
 #undef SMC_insl
 #define SMC_insl(a, r, p, l) \
-        smc_pxa_dma_insl(a, lp->physaddr, r, dev->dma, p, l)
+        smc_pxa_dma_insl(a, lp, r, dev->dma, p, l)
 static inline void
-smc_pxa_dma_insl(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
+smc_pxa_dma_insl(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
                  u_char *buf, int len)
 {
+        u_long physaddr = lp->physaddr;
         dma_addr_t dmabuf;
 
         /* fallback if no DMA available */
@@ -497,7 +544,7 @@ smc_pxa_dma_insl(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
         }
 
         len *= 4;
-        dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
+        dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
         DCSR(dma) = DCSR_NODESC;
         DTADR(dma) = dmabuf;
         DSADR(dma) = physaddr + reg;
@@ -507,18 +554,19 @@ smc_pxa_dma_insl(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
         while (!(DCSR(dma) & DCSR_STOPSTATE))
                 cpu_relax();
         DCSR(dma) = 0;
-        dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
+        dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
 }
 #endif
 
 #ifdef SMC_insw
 #undef SMC_insw
 #define SMC_insw(a, r, p, l) \
-        smc_pxa_dma_insw(a, lp->physaddr, r, dev->dma, p, l)
+        smc_pxa_dma_insw(a, lp, r, dev->dma, p, l)
 static inline void
-smc_pxa_dma_insw(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
+smc_pxa_dma_insw(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
                  u_char *buf, int len)
 {
+        u_long physaddr = lp->physaddr;
         dma_addr_t dmabuf;
 
         /* fallback if no DMA available */
@@ -535,7 +583,7 @@ smc_pxa_dma_insw(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
         }
 
         len *= 2;
-        dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
+        dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
         DCSR(dma) = DCSR_NODESC;
         DTADR(dma) = dmabuf;
         DSADR(dma) = physaddr + reg;
@@ -545,7 +593,7 @@ smc_pxa_dma_insw(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
         while (!(DCSR(dma) & DCSR_STOPSTATE))
                 cpu_relax();
         DCSR(dma) = 0;
-        dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
+        dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
 }
 #endif
 
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index 4276965517f2..dc7a4cb5d270 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -69,4 +69,5 @@ sa1100_cs-$(CONFIG_SA1100_SIMPAD)		+= sa1100_simpad.o
 pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK)                += pxa2xx_lubbock.o sa1111_generic.o
 pxa2xx_cs-$(CONFIG_MACH_MAINSTONE)              += pxa2xx_mainstone.o
 pxa2xx_cs-$(CONFIG_PXA_SHARPSL)                 += pxa2xx_sharpsl.o
+pxa2xx_cs-$(CONFIG_MACH_ARMCORE)                += pxa2xx_cm_x270.o
 
diff --git a/drivers/pcmcia/pxa2xx_cm_x270.c b/drivers/pcmcia/pxa2xx_cm_x270.c
new file mode 100644
index 000000000000..fbf2f3a6984c
--- /dev/null
+++ b/drivers/pcmcia/pxa2xx_cm_x270.c
@@ -0,0 +1,175 @@
+/*
+ * linux/drivers/pcmcia/pxa/pxa_cm_x270.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Compulab Ltd., 2003, 2007
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/delay.h>
+
+#include <pcmcia/ss.h>
+#include <asm/hardware.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/cm-x270.h>
+
+#include "soc_common.h"
+
+static struct pcmcia_irqs irqs[] = {
+        { 0, PCMCIA_S0_CD_VALID, "PCMCIA0 CD" },
+        { 1, PCMCIA_S1_CD_VALID, "PCMCIA1 CD" },
+};
+
+static int cmx270_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+        GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
+                GPIO_bit(GPIO49_nPWE) |
+                GPIO_bit(GPIO50_nPIOR) |
+                GPIO_bit(GPIO51_nPIOW) |
+                GPIO_bit(GPIO85_nPCE_1) |
+                GPIO_bit(GPIO54_nPCE_2);
+
+        pxa_gpio_mode(GPIO48_nPOE_MD);
+        pxa_gpio_mode(GPIO49_nPWE_MD);
+        pxa_gpio_mode(GPIO50_nPIOR_MD);
+        pxa_gpio_mode(GPIO51_nPIOW_MD);
+        pxa_gpio_mode(GPIO85_nPCE_1_MD);
+        pxa_gpio_mode(GPIO54_nPCE_2_MD);
+        pxa_gpio_mode(GPIO55_nPREG_MD);
+        pxa_gpio_mode(GPIO56_nPWAIT_MD);
+        pxa_gpio_mode(GPIO57_nIOIS16_MD);
+
+        /* Reset signal */
+        pxa_gpio_mode(GPIO53_nPCE_2 | GPIO_OUT);
+        GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
+
+        set_irq_type(PCMCIA_S0_CD_VALID, IRQ_TYPE_EDGE_BOTH);
+        set_irq_type(PCMCIA_S1_CD_VALID, IRQ_TYPE_EDGE_BOTH);
+
+        /* irq's for slots: */
+        set_irq_type(PCMCIA_S0_RDYINT, IRQ_TYPE_EDGE_FALLING);
+        set_irq_type(PCMCIA_S1_RDYINT, IRQ_TYPE_EDGE_FALLING);
+
+        skt->irq = (skt->nr == 0) ? PCMCIA_S0_RDYINT : PCMCIA_S1_RDYINT;
+        return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
+}
+
+static void cmx270_pcmcia_shutdown(struct soc_pcmcia_socket *skt)
+{
+        soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
+
+        set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_CD_VALID), IRQ_TYPE_NONE);
+        set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_CD_VALID), IRQ_TYPE_NONE);
+
+        set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_RDYINT), IRQ_TYPE_NONE);
+        set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_RDYINT), IRQ_TYPE_NONE);
+}
+
+
+static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
+                                       struct pcmcia_state *state)
+{
+        state->detect = (PCC_DETECT(skt->nr) == 0) ? 1 : 0;
+        state->ready  = (PCC_READY(skt->nr) == 0) ? 0 : 1;
+        state->bvd1   = 1;
+        state->bvd2   = 1;
+        state->vs_3v  = 0;
+        state->vs_Xv  = 0;
+        state->wrprot = 0;  /* not available */
+}
+
+
+static int cmx270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+                                          const socket_state_t *state)
+{
+        GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
+        pxa_gpio_mode(GPIO49_nPWE | GPIO_OUT);
+
+        switch (skt->nr) {
+        case 0:
+                if (state->flags & SS_RESET) {
+                        GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
+                        GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
+                        udelay(10);
+                        GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
+                        GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
+                }
+                break;
+        case 1:
+                if (state->flags & SS_RESET) {
+                        GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
+                        GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
+                        udelay(10);
+                        GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
+                        GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
+                }
+                break;
+        }
+
+        pxa_gpio_mode(GPIO49_nPWE_MD);
+
+        return 0;
+}
+
+static void cmx270_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
+{
+}
+
+static void cmx270_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
+{
+}
+
+
+static struct pcmcia_low_level cmx270_pcmcia_ops = {
+        .owner                  = THIS_MODULE,
+        .hw_init                = cmx270_pcmcia_hw_init,
+        .hw_shutdown            = cmx270_pcmcia_shutdown,
+        .socket_state           = cmx270_pcmcia_socket_state,
+        .configure_socket       = cmx270_pcmcia_configure_socket,
+        .socket_init            = cmx270_pcmcia_socket_init,
+        .socket_suspend         = cmx270_pcmcia_socket_suspend,
+        .nr                     = 2,
+};
+
+static struct platform_device *cmx270_pcmcia_device;
+
+static int __init cmx270_pcmcia_init(void)
+{
+        int ret;
+
+        cmx270_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
+
+        if (!cmx270_pcmcia_device)
+                return -ENOMEM;
+
+        cmx270_pcmcia_device->dev.platform_data = &cmx270_pcmcia_ops;
+
+        printk(KERN_INFO "Registering cm-x270 PCMCIA interface.\n");
+        ret = platform_device_add(cmx270_pcmcia_device);
+
+        if (ret)
+                platform_device_put(cmx270_pcmcia_device);
+
+        return ret;
+}
+
+static void __exit cmx270_pcmcia_exit(void)
+{
+        platform_device_unregister(cmx270_pcmcia_device);
+}
+
+module_init(cmx270_pcmcia_init);
+module_exit(cmx270_pcmcia_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
+MODULE_DESCRIPTION("CM-x270 PCMCIA driver");
diff --git a/drivers/pcmcia/pxa2xx_lubbock.c b/drivers/pcmcia/pxa2xx_lubbock.c
index 5e9b9a3fd027..1510d6cde3e2 100644
--- a/drivers/pcmcia/pxa2xx_lubbock.c
+++ b/drivers/pcmcia/pxa2xx_lubbock.c
@@ -30,35 +30,6 @@
 #include "sa1111_generic.h"
 
 static int
-lubbock_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
-{
-        /*
-         * Setup default state of GPIO outputs
-         * before we enable them as outputs.
-         */
-        GPSR(GPIO48_nPOE) =
-                GPIO_bit(GPIO48_nPOE) |
-                GPIO_bit(GPIO49_nPWE) |
-                GPIO_bit(GPIO50_nPIOR) |
-                GPIO_bit(GPIO51_nPIOW) |
-                GPIO_bit(GPIO52_nPCE_1) |
-                GPIO_bit(GPIO53_nPCE_2);
-
-        pxa_gpio_mode(GPIO48_nPOE_MD);
-        pxa_gpio_mode(GPIO49_nPWE_MD);
-        pxa_gpio_mode(GPIO50_nPIOR_MD);
-        pxa_gpio_mode(GPIO51_nPIOW_MD);
-        pxa_gpio_mode(GPIO52_nPCE_1_MD);
-        pxa_gpio_mode(GPIO53_nPCE_2_MD);
-        pxa_gpio_mode(GPIO54_pSKTSEL_MD);
-        pxa_gpio_mode(GPIO55_nPREG_MD);
-        pxa_gpio_mode(GPIO56_nPWAIT_MD);
-        pxa_gpio_mode(GPIO57_nIOIS16_MD);
-
-        return sa1111_pcmcia_hw_init(skt);
-}
-
-static int
 lubbock_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
                                 const socket_state_t *state)
 {
@@ -230,7 +201,7 @@ lubbock_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
 
 static struct pcmcia_low_level lubbock_pcmcia_ops = {
         .owner                  = THIS_MODULE,
-        .hw_init                = lubbock_pcmcia_hw_init,
+        .hw_init                = sa1111_pcmcia_hw_init,
         .hw_shutdown            = sa1111_pcmcia_hw_shutdown,
         .socket_state           = sa1111_pcmcia_socket_state,
         .configure_socket       = lubbock_pcmcia_configure_socket,
diff --git a/drivers/pcmcia/pxa2xx_mainstone.c b/drivers/pcmcia/pxa2xx_mainstone.c
index 383107ba4bd3..36c671c5fb65 100644
--- a/drivers/pcmcia/pxa2xx_mainstone.c
+++ b/drivers/pcmcia/pxa2xx_mainstone.c
@@ -43,24 +43,6 @@ static int mst_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
          * Setup default state of GPIO outputs
          * before we enable them as outputs.
          */
-        GPSR(GPIO48_nPOE) =
-                GPIO_bit(GPIO48_nPOE) |
-                GPIO_bit(GPIO49_nPWE) |
-                GPIO_bit(GPIO50_nPIOR) |
-                GPIO_bit(GPIO51_nPIOW) |
-                GPIO_bit(GPIO85_nPCE_1) |
-                GPIO_bit(GPIO54_nPCE_2);
-
-        pxa_gpio_mode(GPIO48_nPOE_MD);
-        pxa_gpio_mode(GPIO49_nPWE_MD);
-        pxa_gpio_mode(GPIO50_nPIOR_MD);
-        pxa_gpio_mode(GPIO51_nPIOW_MD);
-        pxa_gpio_mode(GPIO85_nPCE_1_MD);
-        pxa_gpio_mode(GPIO54_nPCE_2_MD);
-        pxa_gpio_mode(GPIO79_pSKTSEL_MD);
-        pxa_gpio_mode(GPIO55_nPREG_MD);
-        pxa_gpio_mode(GPIO56_nPWAIT_MD);
-        pxa_gpio_mode(GPIO57_nIOIS16_MD);
 
         skt->irq = (skt->nr == 0) ? MAINSTONE_S0_IRQ : MAINSTONE_S1_IRQ;
         return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index e9c6cb391a23..af3a011b2b24 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -42,6 +42,7 @@
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
 #include <linux/serial_core.h>
+#include <linux/clk.h>
 
 #include <asm/io.h>
 #include <asm/hardware.h>
@@ -55,7 +56,7 @@ struct uart_pxa_port {
         unsigned char           lcr;
         unsigned char           mcr;
         unsigned int            lsr_break_flag;
-        unsigned int            cken;
+        struct clk              *clk;
         char                    *name;
 };
 
@@ -351,6 +352,8 @@ static int serial_pxa_startup(struct uart_port *port)
         else
                 up->mcr = 0;
 
+        up->port.uartclk = clk_get_rate(up->clk);
+
         /*
          * Allocate the IRQ
          */
@@ -546,9 +549,11 @@ serial_pxa_pm(struct uart_port *port, unsigned int state,
               unsigned int oldstate)
 {
         struct uart_pxa_port *up = (struct uart_pxa_port *)port;
-        pxa_set_cken(up->cken, !state);
+
         if (!state)
-                udelay(1);
+                clk_enable(up->clk);
+        else
+                clk_disable(up->clk);
 }
 
 static void serial_pxa_release_port(struct uart_port *port)
@@ -582,7 +587,7 @@ serial_pxa_type(struct uart_port *port)
 
 #ifdef CONFIG_SERIAL_PXA_CONSOLE
 
-static struct uart_pxa_port serial_pxa_ports[];
+static struct uart_pxa_port *serial_pxa_ports[4];
 static struct uart_driver serial_pxa_reg;
 
 #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
@@ -632,9 +637,11 @@ static void serial_pxa_console_putchar(struct uart_port *port, int ch)
 static void
 serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
 {
-        struct uart_pxa_port *up = &serial_pxa_ports[co->index];
+        struct uart_pxa_port *up = serial_pxa_ports[co->index];
         unsigned int ier;
 
+        clk_enable(up->clk);
+
         /*
          *      First save the IER then disable the interrupts
          */
@@ -649,6 +656,8 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
          */
         wait_for_xmitr(up);
         serial_out(up, UART_IER, ier);
+
+        clk_disable(up->clk);
 }
 
 static int __init
@@ -662,7 +671,9 @@ serial_pxa_console_setup(struct console *co, char *options)
 
         if (co->index == -1 || co->index >= serial_pxa_reg.nr)
                 co->index = 0;
-        up = &serial_pxa_ports[co->index];
+        up = serial_pxa_ports[co->index];
+        if (!up)
+                return -ENODEV;
 
         if (options)
                 uart_parse_options(options, &baud, &parity, &bits, &flow);
@@ -680,15 +691,6 @@ static struct console serial_pxa_console = {
         .data           = &serial_pxa_reg,
 };
 
-static int __init
-serial_pxa_console_init(void)
-{
-        register_console(&serial_pxa_console);
-        return 0;
-}
-
-console_initcall(serial_pxa_console_init);
-
 #define PXA_CONSOLE     &serial_pxa_console
 #else
 #define PXA_CONSOLE     NULL
@@ -714,73 +716,13 @@ struct uart_ops serial_pxa_pops = {
         .verify_port    = serial_pxa_verify_port,
 };
 
-static struct uart_pxa_port serial_pxa_ports[] = {
-     {  /* FFUART */
-        .name   = "FFUART",
-        .cken   = CKEN_FFUART,
-        .port   = {
-                .type           = PORT_PXA,
-                .iotype         = UPIO_MEM,
-                .membase        = (void *)&FFUART,
-                .mapbase        = __PREG(FFUART),
-                .irq            = IRQ_FFUART,
-                .uartclk        = 921600 * 16,
-                .fifosize       = 64,
-                .ops            = &serial_pxa_pops,
-                .line           = 0,
-        },
-  }, {  /* BTUART */
-        .name   = "BTUART",
-        .cken   = CKEN_BTUART,
-        .port   = {
-                .type           = PORT_PXA,
-                .iotype         = UPIO_MEM,
-                .membase        = (void *)&BTUART,
-                .mapbase        = __PREG(BTUART),
-                .irq            = IRQ_BTUART,
-                .uartclk        = 921600 * 16,
-                .fifosize       = 64,
-                .ops            = &serial_pxa_pops,
-                .line           = 1,
-        },
-  }, {  /* STUART */
-        .name   = "STUART",
-        .cken   = CKEN_STUART,
-        .port   = {
-                .type           = PORT_PXA,
-                .iotype         = UPIO_MEM,
-                .membase        = (void *)&STUART,
-                .mapbase        = __PREG(STUART),
-                .irq            = IRQ_STUART,
-                .uartclk        = 921600 * 16,
-                .fifosize       = 64,
-                .ops            = &serial_pxa_pops,
-                .line           = 2,
-        },
-  }, {  /* HWUART */
-        .name   = "HWUART",
-        .cken   = CKEN_HWUART,
-        .port = {
-                .type           = PORT_PXA,
-                .iotype         = UPIO_MEM,
-                .membase        = (void *)&HWUART,
-                .mapbase        = __PREG(HWUART),
-                .irq            = IRQ_HWUART,
-                .uartclk        = 921600 * 16,
-                .fifosize       = 64,
-                .ops            = &serial_pxa_pops,
-                .line           = 3,
-        },
-  }
-};
-
 static struct uart_driver serial_pxa_reg = {
         .owner          = THIS_MODULE,
         .driver_name    = "PXA serial",
         .dev_name       = "ttyS",
         .major          = TTY_MAJOR,
         .minor          = 64,
-        .nr             = ARRAY_SIZE(serial_pxa_ports),
+        .nr             = 4,
         .cons           = PXA_CONSOLE,
 };
 
@@ -806,10 +748,68 @@ static int serial_pxa_resume(struct platform_device *dev)
 
 static int serial_pxa_probe(struct platform_device *dev)
 {
-        serial_pxa_ports[dev->id].port.dev = &dev->dev;
-        uart_add_one_port(&serial_pxa_reg, &serial_pxa_ports[dev->id].port);
-        platform_set_drvdata(dev, &serial_pxa_ports[dev->id]);
+        struct uart_pxa_port *sport;
+        struct resource *mmres, *irqres;
+        int ret;
+
+        mmres = platform_get_resource(dev, IORESOURCE_MEM, 0);
+        irqres = platform_get_resource(dev, IORESOURCE_IRQ, 0);
+        if (!mmres || !irqres)
+                return -ENODEV;
+
+        sport = kzalloc(sizeof(struct uart_pxa_port), GFP_KERNEL);
+        if (!sport)
+                return -ENOMEM;
+
+        sport->clk = clk_get(&dev->dev, "UARTCLK");
+        if (IS_ERR(sport->clk)) {
+                ret = PTR_ERR(sport->clk);
+                goto err_free;
+        }
+
+        sport->port.type = PORT_PXA;
+        sport->port.iotype = UPIO_MEM;
+        sport->port.mapbase = mmres->start;
+        sport->port.irq = irqres->start;
+        sport->port.fifosize = 64;
+        sport->port.ops = &serial_pxa_pops;
+        sport->port.line = dev->id;
+        sport->port.dev = &dev->dev;
+        sport->port.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF;
+        sport->port.uartclk = clk_get_rate(sport->clk);
+
+        /*
+         * Is it worth keeping this?
+         */
+        if (mmres->start == __PREG(FFUART))
+                sport->name = "FFUART";
+        else if (mmres->start == __PREG(BTUART))
+                sport->name = "BTUART";
+        else if (mmres->start == __PREG(STUART))
+                sport->name = "STUART";
+        else if (mmres->start == __PREG(HWUART))
+                sport->name = "HWUART";
+        else
+                sport->name = "???";
+
+        sport->port.membase = ioremap(mmres->start, mmres->end - mmres->start + 1);
+        if (!sport->port.membase) {
+                ret = -ENOMEM;
+                goto err_clk;
+        }
+
+        serial_pxa_ports[dev->id] = sport;
+
+        uart_add_one_port(&serial_pxa_reg, &sport->port);
+        platform_set_drvdata(dev, sport);
+
         return 0;
+
+ err_clk:
+        clk_put(sport->clk);
+ err_free:
+        kfree(sport);
+        return ret;
 }
 
 static int serial_pxa_remove(struct platform_device *dev)
@@ -818,8 +818,9 @@ static int serial_pxa_remove(struct platform_device *dev)
 
         platform_set_drvdata(dev, NULL);
 
-        if (sport)
-                uart_remove_one_port(&serial_pxa_reg, &sport->port);
+        uart_remove_one_port(&serial_pxa_reg, &sport->port);
+        clk_put(sport->clk);
+        kfree(sport);
 
         return 0;
 }
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index a055f58f342f..a3bd3a3f41f3 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -2127,6 +2127,14 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
                 spin_unlock_irqrestore(&port->lock, flags);
 
                 /*
+                 * If this driver supports console, and it hasn't been
+                 * successfully registered yet, try to re-register it.
+                 * It may be that the port was not available.
+                 */
+                if (port->cons && !(port->cons->flags & CON_ENABLED))
+                        register_console(port->cons);
+
+                /*
                  * Power down all ports by default, except the
                  * console if we have one.
                  */
@@ -2286,6 +2294,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
         }
 
         state->port = port;
+        state->pm_state = -1;
 
         port->cons = drv->cons;
         port->info = state->info;
@@ -2308,15 +2317,6 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
         tty_register_device(drv->tty_driver, port->line, port->dev);
 
         /*
-         * If this driver supports console, and it hasn't been
-         * successfully registered yet, try to re-register it.
-         * It may be that the port was not available.
-         */
-        if (port->type != PORT_UNKNOWN &&
-            port->cons && !(port->cons->flags & CON_ENABLED))
-                register_console(port->cons);
-
-        /*
          * Ensure UPF_DEAD is not set.
          */
         port->flags &= ~UPF_DEAD;
diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c
index 1407ad1c8128..90d0d086b9b8 100644
--- a/drivers/usb/gadget/pxa2xx_udc.c
+++ b/drivers/usb/gadget/pxa2xx_udc.c
@@ -43,6 +43,8 @@
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <linux/irq.h>
+#include <linux/clk.h>
+#include <linux/err.h>
 
 #include <asm/byteorder.h>
 #include <asm/dma.h>
@@ -1157,7 +1159,7 @@ static void udc_disable(struct pxa2xx_udc *dev)
 
 #ifdef  CONFIG_ARCH_PXA
         /* Disable clock for USB device */
-        pxa_set_cken(CKEN_USB, 0);
+        clk_disable(dev->clk);
 #endif
 
         ep0_idle (dev);
@@ -1202,8 +1204,7 @@ static void udc_enable (struct pxa2xx_udc *dev)
 
 #ifdef  CONFIG_ARCH_PXA
         /* Enable clock for USB device */
-        pxa_set_cken(CKEN_USB, 1);
-        udelay(5);
+        clk_enable(dev->clk);
 #endif
 
         /* try to clear these bits before we enable the udc */
@@ -2137,6 +2138,14 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
         if (irq < 0)
                 return -ENODEV;
 
+#ifdef  CONFIG_ARCH_PXA
+        dev->clk = clk_get(&pdev->dev, "UDCCLK");
+        if (IS_ERR(dev->clk)) {
+                retval = PTR_ERR(dev->clk);
+                goto err_clk;
+        }
+#endif
+
         pr_debug("%s: IRQ %d%s%s\n", driver_name, irq,
                 dev->has_cfr ? "" : " (!cfr)",
                 SIZE_STR "(pio)"
@@ -2152,11 +2161,10 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
                         dev_dbg(&pdev->dev,
                                 "can't get vbus gpio %d, err: %d\n",
                                 dev->mach->gpio_vbus, retval);
-                        return -EBUSY;
+                        goto err_gpio_vbus;
                 }
                 gpio_direction_input(dev->mach->gpio_vbus);
                 vbus_irq = gpio_to_irq(dev->mach->gpio_vbus);
-                set_irq_type(vbus_irq, IRQT_BOTHEDGE);
         } else
                 vbus_irq = 0;
 
@@ -2166,9 +2174,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
                         dev_dbg(&pdev->dev,
                                 "can't get pullup gpio %d, err: %d\n",
                                 dev->mach->gpio_pullup, retval);
-                        if (dev->mach->gpio_vbus)
-                                gpio_free(dev->mach->gpio_vbus);
-                        return -EBUSY;
+                        goto err_gpio_pullup;
                 }
                 gpio_direction_output(dev->mach->gpio_pullup, 0);
         }
@@ -2195,11 +2201,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
         if (retval != 0) {
                 printk(KERN_ERR "%s: can't get irq %d, err %d\n",
                         driver_name, irq, retval);
-                if (dev->mach->gpio_pullup)
-                        gpio_free(dev->mach->gpio_pullup);
-                if (dev->mach->gpio_vbus)
-                        gpio_free(dev->mach->gpio_vbus);
-                return -EBUSY;
+                goto err_irq1;
         }
         dev->got_irq = 1;
 
@@ -2213,12 +2215,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
                         printk(KERN_ERR "%s: can't get irq %i, err %d\n",
                                 driver_name, LUBBOCK_USB_DISC_IRQ, retval);
 lubbock_fail0:
-                        free_irq(irq, dev);
-                        if (dev->mach->gpio_pullup)
-                                gpio_free(dev->mach->gpio_pullup);
-                        if (dev->mach->gpio_vbus)
-                                gpio_free(dev->mach->gpio_vbus);
-                        return -EBUSY;
+                        goto err_irq_lub;
                 }
                 retval = request_irq(LUBBOCK_USB_IRQ,
                                 lubbock_vbus_irq,
@@ -2234,22 +2231,37 @@ lubbock_fail0:
 #endif
         if (vbus_irq) {
                 retval = request_irq(vbus_irq, udc_vbus_irq,
-                                IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
+                                IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
+                                IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                                 driver_name, dev);
                 if (retval != 0) {
                         printk(KERN_ERR "%s: can't get irq %i, err %d\n",
                                 driver_name, vbus_irq, retval);
-                        free_irq(irq, dev);
-                        if (dev->mach->gpio_pullup)
-                                gpio_free(dev->mach->gpio_pullup);
-                        if (dev->mach->gpio_vbus)
-                                gpio_free(dev->mach->gpio_vbus);
-                        return -EBUSY;
+                        goto err_vbus_irq;
                 }
         }
         create_proc_files();
 
         return 0;
+
+ err_vbus_irq:
+#ifdef  CONFIG_ARCH_LUBBOCK
+        free_irq(LUBBOCK_USB_DISC_IRQ, dev);
+ err_irq_lub:
+#endif
+        free_irq(irq, dev);
+ err_irq1:
+        if (dev->mach->gpio_pullup)
+                gpio_free(dev->mach->gpio_pullup);
+ err_gpio_pullup:
+        if (dev->mach->gpio_vbus)
+                gpio_free(dev->mach->gpio_vbus);
+ err_gpio_vbus:
+#ifdef  CONFIG_ARCH_PXA
+        clk_put(dev->clk);
+ err_clk:
+#endif
+        return retval;
 }
 
 static void pxa2xx_udc_shutdown(struct platform_device *_dev)
@@ -2284,6 +2296,10 @@ static int __exit pxa2xx_udc_remove(struct platform_device *pdev)
         if (dev->mach->gpio_pullup)
                 gpio_free(dev->mach->gpio_pullup);
 
+#ifdef  CONFIG_ARCH_PXA
+        clk_put(dev->clk);
+#endif
+
         platform_set_drvdata(pdev, NULL);
         the_controller = NULL;
         return 0;
diff --git a/drivers/usb/gadget/pxa2xx_udc.h b/drivers/usb/gadget/pxa2xx_udc.h
index 0e5d0e6fb0e2..1db46d705777 100644
--- a/drivers/usb/gadget/pxa2xx_udc.h
+++ b/drivers/usb/gadget/pxa2xx_udc.h
@@ -125,6 +125,7 @@ struct pxa2xx_udc {
         struct timer_list                       timer;
 
         struct device                           *dev;
+        struct clk                              *clk;
         struct pxa2xx_udc_mach_info             *mach;
         u64                                     dma_mask;
         struct pxa2xx_ep                        ep [PXA_UDC_NUM_ENDPOINTS];
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index a280a52f8efe..f9b12ab59642 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -37,6 +37,8 @@
 #include <linux/cpufreq.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/clk.h>
+#include <linux/err.h>
 
 #include <asm/hardware.h>
 #include <asm/io.h>
@@ -506,15 +508,15 @@ static struct fb_ops pxafb_ops = {
  *
  * Factoring the 10^4 and 10^-12 out gives 10^-8 == 1 / 100000000 as used below.
  */
-static inline unsigned int get_pcd(unsigned int pixclock)
+static inline unsigned int get_pcd(struct pxafb_info *fbi, unsigned int pixclock)
 {
         unsigned long long pcd;
 
         /* FIXME: Need to take into account Double Pixel Clock mode
-         * (DPC) bit? or perhaps set it based on the various clock
-         * speeds */
-
-        pcd = (unsigned long long)get_lcdclk_frequency_10khz() * pixclock;
+         * (DPC) bit? or perhaps set it based on the various clock
+         * speeds */
+        pcd = (unsigned long long)(clk_get_rate(fbi->clk) / 10000);
+        pcd *= pixclock;
         do_div(pcd, 100000000 * 2);
         /* no need for this, since we should subtract 1 anyway. they cancel */
         /* pcd += 1; */ /* make up for integer math truncations */
@@ -523,19 +525,21 @@ static inline unsigned int get_pcd(unsigned int pixclock)
 
 /*
  * Some touchscreens need hsync information from the video driver to
- * function correctly. We export it here.
+ * function correctly. We export it here.  Note that 'hsync_time' and
+ * the value returned from pxafb_get_hsync_time() is the *reciprocal*
+ * of the hsync period in seconds.
  */
 static inline void set_hsync_time(struct pxafb_info *fbi, unsigned int pcd)
 {
-        unsigned long long htime;
+        unsigned long htime;
 
         if ((pcd == 0) || (fbi->fb.var.hsync_len == 0)) {
                 fbi->hsync_time=0;
                 return;
         }
 
-        htime = (unsigned long long)get_lcdclk_frequency_10khz() * 10000;
-        do_div(htime, pcd * fbi->fb.var.hsync_len);
+        htime = clk_get_rate(fbi->clk) / (pcd * fbi->fb.var.hsync_len);
+
         fbi->hsync_time = htime;
 }
 
@@ -560,7 +564,7 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, struct pxafb_info *
 {
         struct pxafb_lcd_reg new_regs;
         u_long flags;
-        u_int lines_per_panel, pcd = get_pcd(var->pixclock);
+        u_int lines_per_panel, pcd = get_pcd(fbi, var->pixclock);
 
         pr_debug("pxafb: Configuring PXA LCD\n");
 
@@ -803,7 +807,7 @@ static void pxafb_enable_controller(struct pxafb_info *fbi)
         pr_debug("reg_lccr3 0x%08x\n", (unsigned int) fbi->reg_lccr3);
 
         /* enable LCD controller clock */
-        pxa_set_cken(CKEN_LCD, 1);
+        clk_enable(fbi->clk);
 
         /* Sequence from 11.7.10 */
         LCCR3 = fbi->reg_lccr3;
@@ -840,7 +844,7 @@ static void pxafb_disable_controller(struct pxafb_info *fbi)
         remove_wait_queue(&fbi->ctrlr_wait, &wait);
 
         /* disable LCD controller clock */
-        pxa_set_cken(CKEN_LCD, 0);
+        clk_disable(fbi->clk);
 }
 
 /*
@@ -994,7 +998,7 @@ pxafb_freq_transition(struct notifier_block *nb, unsigned long val, void *data)
                 break;
 
         case CPUFREQ_POSTCHANGE:
-                pcd = get_pcd(fbi->fb.var.pixclock);
+                pcd = get_pcd(fbi, fbi->fb.var.pixclock);
                 set_hsync_time(fbi, pcd);
                 fbi->reg_lccr3 = (fbi->reg_lccr3 & ~0xff) | LCCR3_PixClkDiv(pcd);
                 set_ctrlr_state(fbi, C_ENABLE_CLKCHANGE);
@@ -1119,6 +1123,12 @@ static struct pxafb_info * __init pxafb_init_fbinfo(struct device *dev)
         memset(fbi, 0, sizeof(struct pxafb_info));
         fbi->dev = dev;
 
+        fbi->clk = clk_get(dev, "LCDCLK");
+        if (IS_ERR(fbi->clk)) {
+                kfree(fbi);
+                return NULL;
+        }
+
         strcpy(fbi->fb.fix.id, PXA_NAME);
 
         fbi->fb.fix.type        = FB_TYPE_PACKED_PIXELS;
diff --git a/drivers/video/pxafb.h b/drivers/video/pxafb.h
index 7499a1c4bf79..f8605b807b0a 100644
--- a/drivers/video/pxafb.h
+++ b/drivers/video/pxafb.h
@@ -40,6 +40,7 @@ struct pxafb_dma_descriptor {
 struct pxafb_info {
         struct fb_info          fb;
         struct device           *dev;
+        struct clk              *clk;
 
         /*
          * These are the addresses we mapped