[PATCH 2/2] ARM: samsung: call clk_get_rate for debugfs rate files

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From: Colin Cross <ccross@xxxxxxxxxxx>

c->rate is rarely set, call clk_get_rate on the clock to print
the value in /d/clock/.../rate.

Signed-off-by: Colin Cross <ccross@xxxxxxxxxxx>
Signed-off-by: Jonghwan Choi <jhbird.choi@xxxxxxxxxxx>
---
 arch/arm/plat-samsung/clock.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c
index 9392959..b8ec1cf 100644
--- a/arch/arm/plat-samsung/clock.c
+++ b/arch/arm/plat-samsung/clock.c
@@ -454,6 +454,14 @@ static const struct file_operations clock_tree_fops = {
        .release        = single_release,
 };

+static int clock_rate_show(void *data, u64 *val)
+{
+       struct clk *c = data;
+       *val = clk_get_rate(c);
+       return 0;
+}
+DEFINE_SIMPLE_ATTRIBUTE(clock_rate_fops, clock_rate_show, NULL, "%llu\n");
+
 static int clk_debugfs_register_one(struct clk *c)
 {
        int err;
@@ -480,7 +488,7 @@ static int clk_debugfs_register_one(struct clk *c)
                goto err_out;
        }

-       d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate);
+       d = debugfs_create_file("rate", S_IRUGO, c->dent, c,
&clock_rate_fops);
        if (!d) {
                err = -ENOMEM;
                goto err_out;
--
1.7.1

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