Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC updates from Olof Johansson:
 "This contains the bulk of new SoC development for this merge window.

  Two new platforms have been added, the sunxi platforms (Allwinner A1x
  SoCs) by Maxime Ripard, and a generic Broadcom platform for a new
  series of ARMv7 platforms from them, where the hope is that we can
  keep the platform code generic enough to have them all share one mach
  directory.  The new Broadcom platform is contributed by Christian
  Daudt.

  Highbank has grown support for Calxeda's next generation of hardware,
  ECX-2000.

  clps711x has seen a lot of cleanup from Alexander Shiyan, and he's
  also taken on maintainership of the platform.

  Beyond this there has been a bunch of work from a number of people on
  converting more platforms to IRQ domains, pinctrl conversion, cleanup
  and general feature enablement across most of the active platforms."

Fix up trivial conflicts as per Olof.

* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (174 commits)
  mfd: vexpress-sysreg: Remove LEDs code
  irqchip: irq-sunxi: Add terminating entry for sunxi_irq_dt_ids
  clocksource: sunxi_timer: Add terminating entry for sunxi_timer_dt_ids
  irq: versatile: delete dangling variable
  ARM: sunxi: add missing include for mdelay()
  ARM: EXYNOS: Avoid early use of of_machine_is_compatible()
  ARM: dts: add node for PL330 MDMA1 controller for exynos4
  ARM: EXYNOS: Add support for secondary CPU bring-up on Exynos4412
  ARM: EXYNOS: add UART3 to DEBUG_LL ports
  ARM: S3C24XX: Add clkdev entry for camif-upll clock
  ARM: SAMSUNG: Add s3c24xx/s3c64xx CAMIF GPIO setup helpers
  ARM: sunxi: Add missing sun4i.dtsi file
  pinctrl: samsung: Do not initialise statics to 0
  ARM i.MX6: remove gate_mask from pllv3
  ARM i.MX6: Fix ethernet PLL clocks
  ARM i.MX6: rename PLLs according to datasheet
  ARM i.MX6: Add pwm support
  ARM i.MX51: Add pwm support
  ARM i.MX53: Add pwm support
  ARM: mx5: Replace clk_register_clkdev with clock DT lookup
  ...

18 files changed, 145 insertions, 60 deletions

diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index 88ebea89abdf..cdf8d0746e79 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -324,7 +324,7 @@ static __init void dm355_evm_init(void)
         if (IS_ERR(aemif))
                 WARN("%s: unable to get AEMIF clock\n", __func__);
         else
-                clk_enable(aemif);
+                clk_prepare_enable(aemif);
 
         platform_add_devices(davinci_evm_devices,
                              ARRAY_SIZE(davinci_evm_devices));
diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c
index 2f88103c6459..d41954507fc2 100644
--- a/arch/arm/mach-davinci/board-dm355-leopard.c
+++ b/arch/arm/mach-davinci/board-dm355-leopard.c
@@ -246,7 +246,7 @@ static __init void dm355_leopard_init(void)
         if (IS_ERR(aemif))
                 WARN("%s: unable to get AEMIF clock\n", __func__);
         else
-                clk_enable(aemif);
+                clk_prepare_enable(aemif);
 
         platform_add_devices(davinci_leopard_devices,
                              ARRAY_SIZE(davinci_leopard_devices));
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 1b4a8adcfdc9..5d49c75388ca 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -478,7 +478,7 @@ static void __init evm_init_cpld(void)
         aemif_clk = clk_get(NULL, "aemif");
         if (IS_ERR(aemif_clk))
                 return;
-        clk_enable(aemif_clk);
+        clk_prepare_enable(aemif_clk);
 
         if (request_mem_region(DM365_ASYNC_EMIF_DATA_CE1_BASE, SECTION_SIZE,
                         "cpld") == NULL)
@@ -489,7 +489,7 @@ static void __init evm_init_cpld(void)
                                 SECTION_SIZE);
 fail:
                 pr_err("ERROR: can't map CPLD\n");
-                clk_disable(aemif_clk);
+                clk_disable_unprepare(aemif_clk);
                 return;
         }
 
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index f8a99ee6bffc..f5e018de7fa5 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -777,7 +777,7 @@ static __init void davinci_evm_init(void)
         struct davinci_soc_info *soc_info = &davinci_soc_info;
 
         aemif_clk = clk_get(NULL, "aemif");
-        clk_enable(aemif_clk);
+        clk_prepare_enable(aemif_clk);
 
         if (HAS_ATA) {
                 if (HAS_NAND || HAS_NOR)
diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c
index 144bf31d68dd..3e3e3afebf88 100644
--- a/arch/arm/mach-davinci/board-neuros-osd2.c
+++ b/arch/arm/mach-davinci/board-neuros-osd2.c
@@ -188,7 +188,7 @@ static __init void davinci_ntosd2_init(void)
         struct davinci_soc_info *soc_info = &davinci_soc_info;
 
         aemif_clk = clk_get(NULL, "aemif");
-        clk_enable(aemif_clk);
+        clk_prepare_enable(aemif_clk);
 
         if (HAS_ATA) {
                 if (HAS_NAND)
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index b90c172d5541..68c5fe01857c 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -212,6 +212,12 @@ static struct clk tptc2_clk = {
         .flags          = ALWAYS_ENABLED,
 };
 
+static struct clk pruss_clk = {
+        .name           = "pruss",
+        .parent         = &pll0_sysclk2,
+        .lpsc           = DA8XX_LPSC0_PRUSS,
+};
+
 static struct clk uart0_clk = {
         .name           = "uart0",
         .parent         = &pll0_sysclk2,
@@ -385,6 +391,7 @@ static struct clk_lookup da850_clks[] = {
         CLK(NULL,               "tptc1",        &tptc1_clk),
         CLK(NULL,               "tpcc1",        &tpcc1_clk),
         CLK(NULL,               "tptc2",        &tptc2_clk),
+        CLK("pruss_uio",        "pruss",        &pruss_clk),
         CLK(NULL,               "uart0",        &uart0_clk),
         CLK(NULL,               "uart1",        &uart1_clk),
         CLK(NULL,               "uart2",        &uart2_clk),
@@ -781,12 +788,6 @@ static struct map_desc da850_io_desc[] = {
                 .length         = DA8XX_CP_INTC_SIZE,
                 .type           = MT_DEVICE
         },
-        {
-                .virtual        = SRAM_VIRT,
-                .pfn            = __phys_to_pfn(DA8XX_ARM_RAM_BASE),
-                .length         = SZ_8K,
-                .type           = MT_DEVICE
-        },
 };
 
 static u32 da850_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE };
@@ -1239,8 +1240,8 @@ static struct davinci_soc_info davinci_soc_info_da850 = {
         .gpio_irq               = IRQ_DA8XX_GPIO0,
         .serial_dev             = &da8xx_serial_device,
         .emac_pdata             = &da8xx_emac_pdata,
-        .sram_dma               = DA8XX_ARM_RAM_BASE,
-        .sram_len               = SZ_8K,
+        .sram_dma               = DA8XX_SHARED_RAM_BASE,
+        .sram_len               = SZ_128K,
 };
 
 void __init da850_init(void)
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index bd2f72b414bc..46c9a0c09ae5 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -22,6 +22,7 @@
 #include <mach/time.h>
 #include <mach/da8xx.h>
 #include <mach/cpuidle.h>
+#include <mach/sram.h>
 
 #include "clock.h"
 #include "asp.h"
@@ -32,6 +33,7 @@
 #define DA8XX_WDOG_BASE                 0x01c21000 /* DA8XX_TIMER64P1_BASE */
 #define DA8XX_I2C0_BASE                 0x01c22000
 #define DA8XX_RTC_BASE                  0x01c23000
+#define DA8XX_PRUSS_MEM_BASE            0x01c30000
 #define DA8XX_MMCSD0_BASE               0x01c40000
 #define DA8XX_SPI0_BASE                 0x01c41000
 #define DA830_SPI1_BASE                 0x01e12000
@@ -518,6 +520,75 @@ void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata)
         }
 }
 
+static struct resource da8xx_pruss_resources[] = {
+        {
+                .start  = DA8XX_PRUSS_MEM_BASE,
+                .end    = DA8XX_PRUSS_MEM_BASE + 0xFFFF,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = IRQ_DA8XX_EVTOUT0,
+                .end    = IRQ_DA8XX_EVTOUT0,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DA8XX_EVTOUT1,
+                .end    = IRQ_DA8XX_EVTOUT1,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DA8XX_EVTOUT2,
+                .end    = IRQ_DA8XX_EVTOUT2,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DA8XX_EVTOUT3,
+                .end    = IRQ_DA8XX_EVTOUT3,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DA8XX_EVTOUT4,
+                .end    = IRQ_DA8XX_EVTOUT4,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DA8XX_EVTOUT5,
+                .end    = IRQ_DA8XX_EVTOUT5,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DA8XX_EVTOUT6,
+                .end    = IRQ_DA8XX_EVTOUT6,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DA8XX_EVTOUT7,
+                .end    = IRQ_DA8XX_EVTOUT7,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct uio_pruss_pdata da8xx_uio_pruss_pdata = {
+        .pintc_base     = 0x4000,
+};
+
+static struct platform_device da8xx_uio_pruss_dev = {
+        .name           = "pruss_uio",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(da8xx_pruss_resources),
+        .resource       = da8xx_pruss_resources,
+        .dev            = {
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+                .platform_data          = &da8xx_uio_pruss_pdata,
+        }
+};
+
+int __init da8xx_register_uio_pruss(void)
+{
+        da8xx_uio_pruss_pdata.sram_pool = sram_get_gen_pool();
+        return platform_device_register(&da8xx_uio_pruss_dev);
+}
+
 static const struct display_panel disp_panel = {
         QVGA,
         16,
@@ -900,7 +971,7 @@ static int da850_sata_init(struct device *dev, void __iomem *addr)
         if (IS_ERR(da850_sata_clk))
                 return PTR_ERR(da850_sata_clk);
 
-        ret = clk_enable(da850_sata_clk);
+        ret = clk_prepare_enable(da850_sata_clk);
         if (ret)
                 goto err0;
 
@@ -931,7 +1002,7 @@ static int da850_sata_init(struct device *dev, void __iomem *addr)
         return 0;
 
 err1:
-        clk_disable(da850_sata_clk);
+        clk_disable_unprepare(da850_sata_clk);
 err0:
         clk_put(da850_sata_clk);
         return ret;
@@ -939,7 +1010,7 @@ err0:
 
 static void da850_sata_exit(struct device *dev)
 {
-        clk_disable(da850_sata_clk);
+        clk_disable_unprepare(da850_sata_clk);
         clk_put(da850_sata_clk);
 }
 
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index a255434908db..b49c3b77d55e 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -758,12 +758,6 @@ static struct map_desc dm355_io_desc[] = {
                 .length         = IO_SIZE,
                 .type           = MT_DEVICE
         },
-        {
-                .virtual        = SRAM_VIRT,
-                .pfn            = __phys_to_pfn(0x00010000),
-                .length         = SZ_32K,
-                .type           = MT_MEMORY_NONCACHED,
-        },
 };
 
 /* Contents of JTAG ID register used to identify exact cpu type */
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index b680c832e0ba..6c3980540be0 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -985,12 +985,6 @@ static struct map_desc dm365_io_desc[] = {
                 .length         = IO_SIZE,
                 .type           = MT_DEVICE
         },
-        {
-                .virtual        = SRAM_VIRT,
-                .pfn            = __phys_to_pfn(0x00010000),
-                .length         = SZ_32K,
-                .type           = MT_MEMORY_NONCACHED,
-        },
 };
 
 static struct resource dm365_ks_resources[] = {
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 14e9947bad6e..11c79a3362ef 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -785,12 +785,6 @@ static struct map_desc dm644x_io_desc[] = {
                 .length         = IO_SIZE,
                 .type           = MT_DEVICE
         },
-        {
-                .virtual        = SRAM_VIRT,
-                .pfn            = __phys_to_pfn(0x00008000),
-                .length         = SZ_16K,
-                .type           = MT_MEMORY_NONCACHED,
-        },
 };
 
 /* Contents of JTAG ID register used to identify exact cpu type */
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 97c0f8e555bd..ac7b431c4c8e 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -756,12 +756,6 @@ static struct map_desc dm646x_io_desc[] = {
                 .length         = IO_SIZE,
                 .type           = MT_DEVICE
         },
-        {
-                .virtual        = SRAM_VIRT,
-                .pfn            = __phys_to_pfn(0x00010000),
-                .length         = SZ_32K,
-                .type           = MT_MEMORY_NONCACHED,
-        },
 };
 
 /* Contents of JTAG ID register used to identify exact cpu type */
diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h
index bdc4aa8e672a..046c7238a3d6 100644
--- a/arch/arm/mach-davinci/include/mach/common.h
+++ b/arch/arm/mach-davinci/include/mach/common.h
@@ -104,8 +104,6 @@ int davinci_pm_init(void);
 static inline int davinci_pm_init(void) { return 0; }
 #endif
 
-/* standard place to map on-chip SRAMs; they *may* support DMA */
-#define SRAM_VIRT       0xfffe0000
 #define SRAM_SIZE       SZ_128K
 
 #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index aaccdc4528fc..700d311c6854 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -26,6 +26,7 @@
 #include <linux/platform_data/mmc-davinci.h>
 #include <linux/platform_data/usb-davinci.h>
 #include <linux/platform_data/spi-davinci.h>
+#include <linux/platform_data/uio_pruss.h>
 
 #include <media/davinci/vpif_types.h>
 
@@ -72,6 +73,7 @@ extern unsigned int da850_max_speed;
 #define DA8XX_AEMIF_CS2_BASE    0x60000000
 #define DA8XX_AEMIF_CS3_BASE    0x62000000
 #define DA8XX_AEMIF_CTL_BASE    0x68000000
+#define DA8XX_SHARED_RAM_BASE   0x80000000
 #define DA8XX_ARM_RAM_BASE      0xffff0000
 
 void __init da830_init(void);
@@ -86,6 +88,7 @@ int da8xx_register_watchdog(void);
 int da8xx_register_usb20(unsigned mA, unsigned potpgt);
 int da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata);
 int da8xx_register_emac(void);
+int da8xx_register_uio_pruss(void);
 int da8xx_register_lcdc(struct da8xx_lcdc_platform_data *pdata);
 int da8xx_register_mmcsd0(struct davinci_mmc_config *config);
 int da850_register_mmcsd1(struct davinci_mmc_config *config);
diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h
index 86a01fa6d3fe..62ad300440f5 100644
--- a/arch/arm/mach-davinci/include/mach/serial.h
+++ b/arch/arm/mach-davinci/include/mach/serial.h
@@ -43,6 +43,7 @@ struct davinci_uart_config {
 };
 
 extern int davinci_serial_init(struct davinci_uart_config *);
+extern int davinci_serial_setup_clk(unsigned instance, unsigned int *rate);
 #endif
 
 #endif /* __ASM_ARCH_SERIAL_H */
diff --git a/arch/arm/mach-davinci/include/mach/sram.h b/arch/arm/mach-davinci/include/mach/sram.h
index 111f7cc71e07..4e5db56218b8 100644
--- a/arch/arm/mach-davinci/include/mach/sram.h
+++ b/arch/arm/mach-davinci/include/mach/sram.h
@@ -24,4 +24,7 @@
 extern void *sram_alloc(size_t len, dma_addr_t *dma);
 extern void sram_free(void *addr, size_t len);
 
+/* Get the struct gen_pool * for use in platform data */
+extern struct gen_pool *sram_get_gen_pool(void);
+
 #endif /* __MACH_SRAM_H */
diff --git a/arch/arm/mach-davinci/serial.c b/arch/arm/mach-davinci/serial.c
index 1875740fe27c..f2625814c3c9 100644
--- a/arch/arm/mach-davinci/serial.c
+++ b/arch/arm/mach-davinci/serial.c
@@ -70,11 +70,33 @@ static void __init davinci_serial_reset(struct plat_serial8250_port *p)
                                  UART_DM646X_SCR_TX_WATERMARK);
 }
 
-int __init davinci_serial_init(struct davinci_uart_config *info)
+/* Enable UART clock and obtain its rate */
+int __init davinci_serial_setup_clk(unsigned instance, unsigned int *rate)
 {
-        int i;
         char name[16];
-        struct clk *uart_clk;
+        struct clk *clk;
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+        struct device *dev = &soc_info->serial_dev->dev;
+
+        sprintf(name, "uart%d", instance);
+        clk = clk_get(dev, name);
+        if (IS_ERR(clk)) {
+                pr_err("%s:%d: failed to get UART%d clock\n",
+                                        __func__, __LINE__, instance);
+                return PTR_ERR(clk);
+        }
+
+        clk_prepare_enable(clk);
+
+        if (rate)
+                *rate = clk_get_rate(clk);
+
+        return 0;
+}
+
+int __init davinci_serial_init(struct davinci_uart_config *info)
+{
+        int i, ret;
         struct davinci_soc_info *soc_info = &davinci_soc_info;
         struct device *dev = &soc_info->serial_dev->dev;
         struct plat_serial8250_port *p = dev->platform_data;
@@ -87,16 +109,9 @@ int __init davinci_serial_init(struct davinci_uart_config *info)
                 if (!(info->enabled_uarts & (1 << i)))
                         continue;
 
-                sprintf(name, "uart%d", i);
-                uart_clk = clk_get(dev, name);
-                if (IS_ERR(uart_clk)) {
-                        printk(KERN_ERR "%s:%d: failed to get UART%d clock\n",
-                                        __func__, __LINE__, i);
+                ret = davinci_serial_setup_clk(i, &p->uartclk);
+                if (ret)
                         continue;
-                }
-
-                clk_enable(uart_clk);
-                p->uartclk = clk_get_rate(uart_clk);
 
                 if (!p->membase && p->mapbase) {
                         p->membase = ioremap(p->mapbase, SZ_4K);
diff --git a/arch/arm/mach-davinci/sram.c b/arch/arm/mach-davinci/sram.c
index db0f7787faf1..c5f7ee5cc80a 100644
--- a/arch/arm/mach-davinci/sram.c
+++ b/arch/arm/mach-davinci/sram.c
@@ -10,6 +10,7 @@
  */
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/genalloc.h>
 
 #include <mach/common.h>
@@ -17,6 +18,11 @@
 
 static struct gen_pool *sram_pool;
 
+struct gen_pool *sram_get_gen_pool(void)
+{
+        return sram_pool;
+}
+
 void *sram_alloc(size_t len, dma_addr_t *dma)
 {
         unsigned long vaddr;
@@ -32,7 +38,7 @@ void *sram_alloc(size_t len, dma_addr_t *dma)
                 return NULL;
 
         if (dma)
-                *dma = dma_base + (vaddr - SRAM_VIRT);
+                *dma = gen_pool_virt_to_phys(sram_pool, vaddr);
         return (void *)vaddr;
 
 }
@@ -53,8 +59,10 @@ EXPORT_SYMBOL(sram_free);
  */
 static int __init sram_init(void)
 {
+        phys_addr_t phys = davinci_soc_info.sram_dma;
         unsigned len = davinci_soc_info.sram_len;
         int status = 0;
+        void *addr;
 
         if (len) {
                 len = min_t(unsigned, len, SRAM_SIZE);
@@ -62,8 +70,17 @@ static int __init sram_init(void)
                 if (!sram_pool)
                         status = -ENOMEM;
         }
-        if (sram_pool)
-                status = gen_pool_add(sram_pool, SRAM_VIRT, len, -1);
+
+        if (sram_pool) {
+                addr = ioremap(phys, len);
+                if (!addr)
+                        return -ENOMEM;
+                status = gen_pool_add_virt(sram_pool, (unsigned)addr,
+                                           phys, len, -1);
+                if (status < 0)
+                        iounmap(addr);
+        }
+
         WARN_ON(status < 0);
         return status;
 }
diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c
index 75da315b6587..9847938785ca 100644
--- a/arch/arm/mach-davinci/time.c
+++ b/arch/arm/mach-davinci/time.c
@@ -379,7 +379,7 @@ static void __init davinci_timer_init(void)
 
         timer_clk = clk_get(NULL, "timer0");
         BUG_ON(IS_ERR(timer_clk));
-        clk_enable(timer_clk);
+        clk_prepare_enable(timer_clk);
 
         /* init timer hw */
         timer_init();
@@ -429,7 +429,7 @@ void davinci_watchdog_reset(struct platform_device *pdev)
         wd_clk = clk_get(&pdev->dev, NULL);
         if (WARN_ON(IS_ERR(wd_clk)))
                 return;
-        clk_enable(wd_clk);
+        clk_prepare_enable(wd_clk);
 
         /* disable, internal clock source */
         __raw_writel(0, base + TCR);