diff options
| author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2015-07-09 22:39:38 +0200 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2015-07-28 03:13:32 +0200 |
| commit | 57d866e606ddf2a0cd51f7140cfd8df1fdaa48f6 (patch) | |
| tree | d416f5f0399391f963b2aa4ffc03d281c3d237ad /drivers/clk/sunxi/clk-factors.c | |
| parent | clk: change clk_ops' ->determine_rate() prototype (diff) | |
| download | linux-57d866e606ddf2a0cd51f7140cfd8df1fdaa48f6.tar.xz linux-57d866e606ddf2a0cd51f7140cfd8df1fdaa48f6.zip | |
clk: fix some determine_rate implementations
Some determine_rate implementations are not returning an error
when they failed to adapt the rate according to the rate request.
Fix them so that they return an error instead of silently
returning 0.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
CC: Jonathan Corbet <corbet@lwn.net>
CC: Tony Lindgren <tony@atomide.com>
CC: Ralf Baechle <ralf@linux-mips.org>
CC: "Emilio López" <emilio@elopez.com.ar>
CC: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Tero Kristo <t-kristo@ti.com>
CC: Peter De Schrijver <pdeschrijver@nvidia.com>
CC: Prashant Gaikwad <pgaikwad@nvidia.com>
CC: Stephen Warren <swarren@wwwdotorg.org>
CC: Thierry Reding <thierry.reding@gmail.com>
CC: Alexandre Courbot <gnurou@gmail.com>
CC: linux-doc@vger.kernel.org
CC: linux-kernel@vger.kernel.org
CC: linux-arm-kernel@lists.infradead.org
CC: linux-omap@vger.kernel.org
CC: linux-mips@linux-mips.org
CC: linux-tegra@vger.kernel.org
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/sunxi/clk-factors.c')
| -rw-r--r-- | drivers/clk/sunxi/clk-factors.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/clk/sunxi/clk-factors.c b/drivers/clk/sunxi/clk-factors.c index 7a485870991d..94e2570a2409 100644 --- a/drivers/clk/sunxi/clk-factors.c +++ b/drivers/clk/sunxi/clk-factors.c @@ -107,8 +107,10 @@ static int clk_factors_determine_rate(struct clk_hw *hw, } } - if (best_parent) - req->best_parent_hw = __clk_get_hw(best_parent); + if (!best_parent) + return -EINVAL; + + req->best_parent_hw = __clk_get_hw(best_parent); req->best_parent_rate = best; req->rate = best_child_rate; |