Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (132 commits)
  sh: oprofile: Fix up the module build.
  sh: add UIO support for JPU on SH7722.
  serial: sh-sci: Fix up port pinmux for SH7366.
  sh: mach-rsk: Use uImage generation by default for rsk7201/7203.
  sh: mach-sh03: Fix up pata_platform build breakage.
  sh: enable deferred io LCDC on Migo-R
  video: sh_mobile_lcdcfb deferred io support
  video: deferred io with physically contiguous memory
  video: deferred io cleanup
  video: fix deferred io fsync()
  sh: add LCDC interrupt configuration to AP325 and Migo-R
  sh_mobile_lcdc: use FB_SYS helpers instead of FB_CFB
  sh: split coherent pages
  sh: dma: Kill off ISA DMA wrapper.
  sh: Conditionalize the code dumper on CONFIG_DUMP_CODE.
  sh: Kill off the unused SH_ALPHANUMERIC debug option.
  sh: Enable skipping of bss on debug platforms for sh32 also.
  doc: Update sh cpufreq documentation.
  sh: mrshpc_setup_windows() needs to be inline.
  serial: sh-sci: sci_poll_get_char() is only used by CONFIG_CONSOLE_POLL.
  ...

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index b7e46d5bba4..7b17137536d 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -117,6 +117,11 @@ int clk_enable(struct clk *clk)
 	unsigned long flags;
 	int ret;
 
+	if (!clk)
+		return -EINVAL;
+
+	clk_enable(clk->parent);
+
 	spin_lock_irqsave(&clock_lock, flags);
 	ret = __clk_enable(clk);
 	spin_unlock_irqrestore(&clock_lock, flags);
@@ -147,9 +152,14 @@ void clk_disable(struct clk *clk)
 {
 	unsigned long flags;
 
+	if (!clk)
+		return;
+
 	spin_lock_irqsave(&clock_lock, flags);
 	__clk_disable(clk);
 	spin_unlock_irqrestore(&clock_lock, flags);
+
+	clk_disable(clk->parent);
 }
 EXPORT_SYMBOL_GPL(clk_disable);