diff options
| author | Tony Lindgren <tony@atomide.com> | 2012-07-05 02:13:04 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2012-07-05 02:13:04 -0700 |
| commit | ac5b0ea3d00d231dd9cedd45636b29defc368a4c (patch) | |
| tree | 9649d193558e7c662257063a77ab7422379ac45b /arch/arm/mach-omap2/dpll3xxx.c | |
| parent | 3f96a2d90e6923e2dd1e35d2f149a70a4d0f678c (diff) | |
| parent | 8cb8de5d87b75f2ecaa1189079764340ea366c0e (diff) | |
| download | linux-ac5b0ea3d00d231dd9cedd45636b29defc368a4c.tar.bz2 | |
Merge tag 'omap-devel-f-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into cleanup-part2
Miscellaneous OMAP clock, hwmod, clockdomain, and powerdomain patches
for 3.6. Mostly small infrastructure improvements, and preparation
for OMAP5 and AM33xx code.
Conflicts:
arch/arm/mach-omap2/omap_hwmod.c
arch/arm/plat-omap/include/plat/omap_hwmod.h
Diffstat (limited to 'arch/arm/mach-omap2/dpll3xxx.c')
| -rw-r--r-- | arch/arm/mach-omap2/dpll3xxx.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c index f0f10beeffe8..c310dc0d40b4 100644 --- a/arch/arm/mach-omap2/dpll3xxx.c +++ b/arch/arm/mach-omap2/dpll3xxx.c @@ -135,11 +135,20 @@ static u16 _omap3_dpll_compute_freqsel(struct clk *clk, u8 n) */ static int _omap3_noncore_dpll_lock(struct clk *clk) { + const struct dpll_data *dd; u8 ai; - int r; + u8 state = 1; + int r = 0; pr_debug("clock: locking DPLL %s\n", clk->name); + dd = clk->dpll_data; + state <<= __ffs(dd->idlest_mask); + + /* Check if already locked */ + if ((__raw_readl(dd->idlest_reg) & dd->idlest_mask) == state) + goto done; + ai = omap3_dpll_autoidle_read(clk); if (ai) @@ -152,6 +161,7 @@ static int _omap3_noncore_dpll_lock(struct clk *clk) if (ai) omap3_dpll_allow_idle(clk); +done: return r; } |