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

[cascardo/linux.git] / arch / arm / mach-imx / generic.c

diff --git a/arch/arm/mach-imx/generic.c b/arch/arm/mach-imx/generic.c
index a58b678..98ddd8a 100644 (file)
--- a/arch/arm/mach-imx/generic.c
+++ b/arch/arm/mach-imx/generic.c
@@ -101,10 +101,11 @@ EXPORT_SYMBOL(imx_gpio_mode);
 
 int imx_gpio_request(unsigned gpio, const char *label)
 {
-       if(gpio >= (GPIO_PORT_MAX + 1) * 32)
+       if(gpio >= (GPIO_PORT_MAX + 1) * 32) {
                printk(KERN_ERR "imx_gpio: Attempt to request nonexistent GPIO %d for \"%s\"\n",
                        gpio, label ? label : "?");
                return -EINVAL;
+       }
 
        if(test_and_set_bit(gpio, imx_gpio_alloc_map)) {
                printk(KERN_ERR "imx_gpio: GPIO %d already used. Allocation for \"%s\" failed\n",
@@ -129,7 +130,7 @@ EXPORT_SYMBOL(imx_gpio_free);
 
 int imx_gpio_direction_input(unsigned gpio)
 {
-       imx_gpio_mode(gpio| GPIO_IN);
+       imx_gpio_mode(gpio | GPIO_IN | GPIO_GIUS | GPIO_DR);
        return 0;
 }
 
@@ -138,7 +139,7 @@ EXPORT_SYMBOL(imx_gpio_direction_input);
 int imx_gpio_direction_output(unsigned gpio, int value)
 {
        imx_gpio_set_value(gpio, value);
-       imx_gpio_mode(gpio| GPIO_OUT);
+       imx_gpio_mode(gpio | GPIO_OUT | GPIO_GIUS | GPIO_DR);
        return 0;
 }
 
@@ -213,82 +214,6 @@ int imx_irq_to_gpio(unsigned irq)
 
 EXPORT_SYMBOL(imx_irq_to_gpio);
 
-/*
- *  get the system pll clock in Hz
- *
- *                  mfi + mfn / (mfd +1)
- *  f = 2 * f_ref * --------------------
- *                        pd + 1
- */
-static unsigned int imx_decode_pll(unsigned int pll, u32 f_ref)
-{
-       unsigned long long ll;
-       unsigned long quot;
-
-       u32 mfi = (pll >> 10) & 0xf;
-       u32 mfn = pll & 0x3ff;
-       u32 mfd = (pll >> 16) & 0x3ff;
-       u32 pd =  (pll >> 26) & 0xf;
-
-       mfi = mfi <= 5 ? 5 : mfi;
-
-       ll = 2 * (unsigned long long)f_ref * ( (mfi<<16) + (mfn<<16) / (mfd+1) );
-       quot = (pd+1) * (1<<16);
-       ll += quot / 2;
-       do_div(ll, quot);
-       return (unsigned int) ll;
-}
-
-unsigned int imx_get_system_clk(void)
-{
-       u32 f_ref = (CSCR & CSCR_SYSTEM_SEL) ? 16000000 : (CLK32 * 512);
-
-       return imx_decode_pll(SPCTL0, f_ref);
-}
-EXPORT_SYMBOL(imx_get_system_clk);
-
-unsigned int imx_get_mcu_clk(void)
-{
-       return imx_decode_pll(MPCTL0, CLK32 * 512);
-}
-EXPORT_SYMBOL(imx_get_mcu_clk);
-
-/*
- *  get peripheral clock 1 ( UART[12], Timer[12], PWM )
- */
-unsigned int imx_get_perclk1(void)
-{
-       return imx_get_system_clk() / (((PCDR) & 0xf)+1);
-}
-EXPORT_SYMBOL(imx_get_perclk1);
-
-/*
- *  get peripheral clock 2 ( LCD, SD, SPI[12] )
- */
-unsigned int imx_get_perclk2(void)
-{
-       return imx_get_system_clk() / (((PCDR>>4) & 0xf)+1);
-}
-EXPORT_SYMBOL(imx_get_perclk2);
-
-/*
- *  get peripheral clock 3 ( SSI )
- */
-unsigned int imx_get_perclk3(void)
-{
-       return imx_get_system_clk() / (((PCDR>>16) & 0x7f)+1);
-}
-EXPORT_SYMBOL(imx_get_perclk3);
-
-/*
- *  get hclk ( SDRAM, CSI, Memory Stick, I2C, DMA )
- */
-unsigned int imx_get_hclk(void)
-{
-       return imx_get_system_clk() / (((CSCR>>10) & 0xf)+1);
-}
-EXPORT_SYMBOL(imx_get_hclk);
-
 static struct resource imx_mmc_resources[] = {
        [0] = {
                .start  = 0x00214000,