summaryrefslogtreecommitdiff
path: root/arch/arm/mach-davinci/clock.c
diff options
context:
space:
mode:
authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
commit0d4a42f6bd298e826620585e766a154ab460617a (patch)
tree406d8f7778691d858dbe3e48e4bbb10e99c0a58a /arch/arm/mach-davinci/clock.c
parentd62b4892f3d9f7dd2002e5309be10719d6805b0f (diff)
parenta937536b868b8369b98967929045f1df54234323 (diff)
Merge tag 'v3.9-rc3' into drm-intel-next-queued
Backmerge so that I can merge Imre Deak's coalesced sg entries fixes, which depend upon the new for_each_sg_page introduce in commit a321e91b6d73ed011ffceed384c40d2785cf723b Author: Imre Deak <imre.deak@intel.com> Date: Wed Feb 27 17:02:56 2013 -0800 lib/scatterlist: add simple page iterator The merge itself is just two trivial conflicts: Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'arch/arm/mach-davinci/clock.c')
-rw-r--r--arch/arm/mach-davinci/clock.c39
1 files changed, 38 insertions, 1 deletions
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 34668ead53c7..d458558ee84a 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -52,6 +52,40 @@ static void __clk_disable(struct clk *clk)
__clk_disable(clk->parent);
}
+int davinci_clk_reset(struct clk *clk, bool reset)
+{
+ unsigned long flags;
+
+ if (clk == NULL || IS_ERR(clk))
+ return -EINVAL;
+
+ spin_lock_irqsave(&clockfw_lock, flags);
+ if (clk->flags & CLK_PSC)
+ davinci_psc_reset(clk->gpsc, clk->lpsc, reset);
+ spin_unlock_irqrestore(&clockfw_lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(davinci_clk_reset);
+
+int davinci_clk_reset_assert(struct clk *clk)
+{
+ if (clk == NULL || IS_ERR(clk) || !clk->reset)
+ return -EINVAL;
+
+ return clk->reset(clk, true);
+}
+EXPORT_SYMBOL(davinci_clk_reset_assert);
+
+int davinci_clk_reset_deassert(struct clk *clk)
+{
+ if (clk == NULL || IS_ERR(clk) || !clk->reset)
+ return -EINVAL;
+
+ return clk->reset(clk, false);
+}
+EXPORT_SYMBOL(davinci_clk_reset_deassert);
+
int clk_enable(struct clk *clk)
{
unsigned long flags;
@@ -535,7 +569,7 @@ int davinci_set_refclk_rate(unsigned long rate)
}
int __init davinci_clk_init(struct clk_lookup *clocks)
- {
+{
struct clk_lookup *c;
struct clk *clk;
size_t num_clocks = 0;
@@ -576,6 +610,9 @@ int __init davinci_clk_init(struct clk_lookup *clocks)
if (clk->lpsc)
clk->flags |= CLK_PSC;
+ if (clk->flags & PSC_LRST)
+ clk->reset = davinci_clk_reset;
+
clk_register(clk);
num_clocks++;