On Tuesday 11 September 2012 04:42 AM, Stephen Warren wrote:
From: Stephen Warren<[email protected]>
32-bit math isn't enough when e.g. *prate=12000000, and sel->n=1000.
Use 64-bit math to prevent this.
Thanks Stephen!!
Cc: Prashant Gaikwad<[email protected]>
Signed-off-by: Stephen Warren<[email protected]>
---
Prashant, can you please audit all of the Tegra clock driver to see if
there are any other instances of the same issue? Thanks.
Sure.
---
arch/arm/mach-tegra/tegra20_clocks.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-tegra/tegra20_clocks.c
b/arch/arm/mach-tegra/tegra20_clocks.c
index ee6922b..e2a43e4 100644
--- a/arch/arm/mach-tegra/tegra20_clocks.c
+++ b/arch/arm/mach-tegra/tegra20_clocks.c
@@ -798,7 +798,7 @@ static long tegra20_pll_clk_round_rate(struct clk_hw *hw,
unsigned long rate,
struct clk_tegra *c = to_clk_tegra(hw);
const struct clk_pll_freq_table *sel;
unsigned long input_rate = *prate;
- unsigned long output_rate = *prate;
+ u64 output_rate = *prate;
int mul;
int div;
--
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