diff options
| author | Alex Frid <afrid@nvidia.com> | 2011-06-27 14:36:58 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:47:30 -0800 |
| commit | 4d04ca864ba7dfb6898f7c8065aa49d59b7eddde (patch) | |
| tree | 0bf0def9a597dbd912ee9a5f922a94cd72e7bcfa /arch/arm/mach-tegra/clock.c | |
| parent | bcee00a3e0de825418c63d5340fbf794100610c3 (diff) | |
ARM: tegra: clock: Use bus lock to protect shared bus update
Protected shared bus update with bus lock - common for all shared bus
users (update procedure was already covered by individual shared users
locks, but it did not prevent concurrent access to shared rates list).
Original-Change-Id: Ia0e6886265aff1f624802e0415fe8cecb887b507
Reviewed-on: http://git-master/r/39918
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Rebase-Id: R0e0ee997ce9347470e207910f7b4f6c42143717f
Diffstat (limited to 'arch/arm/mach-tegra/clock.c')
| -rw-r--r-- | arch/arm/mach-tegra/clock.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index 99fad6ebf034..94fe935ff810 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -644,6 +644,16 @@ int tegra_is_clk_enabled(struct clk *c) } EXPORT_SYMBOL(tegra_is_clk_enabled); +int tegra_clk_shared_bus_update(struct clk *c) +{ + int ret = 0; + + if (c->ops && c->ops->shared_bus_update) + ret = c->ops->shared_bus_update(c); + + return ret; +} + /* dvfs initialization may lower default maximum rate */ void __init tegra_init_max_rate(struct clk *c, unsigned long max_rate) { |