1 files changed, 13 insertions, 7 deletions

diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 638490e62d5..f625f6dd228 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -432,8 +432,7 @@ static int omap1_clk_enable(struct clk *clk)
                         }
 
                         if (clk->flags & CLOCK_NO_IDLE_PARENT)
-                                if (!cpu_is_omap24xx())
-                                        omap1_clk_deny_idle(clk->parent);
+                                omap1_clk_deny_idle(clk->parent);
                 }
 
                 ret = clk->enable(clk);
@@ -454,8 +453,7 @@ static void omap1_clk_disable(struct clk *clk)
                 if (likely(clk->parent)) {
                         omap1_clk_disable(clk->parent);
                         if (clk->flags & CLOCK_NO_IDLE_PARENT)
-                                if (!cpu_is_omap24xx())
-                                        omap1_clk_allow_idle(clk->parent);
+                                omap1_clk_allow_idle(clk->parent);
                 }
         }
 }
@@ -471,7 +469,7 @@ static int omap1_clk_enable_generic(struct clk *clk)
         if (unlikely(clk->enable_reg == 0)) {
                 printk(KERN_ERR "clock.c: Enable for %s without enable code\n",
                        clk->name);
-                return 0;
+                return -EINVAL;
         }
 
         if (clk->flags & ENABLE_REG_32BIT) {
@@ -651,10 +649,18 @@ int __init omap1_clk_init(void)
         int crystal_type = 0; /* Default 12 MHz */
         u32 reg;
 
+#ifdef CONFIG_DEBUG_LL
+        /* Resets some clocks that may be left on from bootloader,
+         * but leaves serial clocks on.
+         */
+        omap_writel(0x3 << 29, MOD_CONF_CTRL_0);
+#endif
+
         /* USB_REQ_EN will be disabled later if necessary (usb_dc_ck) */
         reg = omap_readw(SOFT_REQ_REG) & (1 << 4);
         omap_writew(reg, SOFT_REQ_REG);
-        omap_writew(0, SOFT_REQ_REG2);
+        if (!cpu_is_omap15xx())
+                omap_writew(0, SOFT_REQ_REG2);
 
         clk_init(&omap1_clk_functions);
 
@@ -685,7 +691,7 @@ int __init omap1_clk_init(void)
 
         info = omap_get_config(OMAP_TAG_CLOCK, struct omap_clock_config);
         if (info != NULL) {
-                if (!cpu_is_omap1510())
+                if (!cpu_is_omap15xx())
                         crystal_type = info->system_clock_type;
         }