diff options
| author | Andreas Kemnade <andreas@kemnade.info> | 2019-01-17 01:04:28 +0300 |
|---|---|---|
| committer | Tero Kristo <t-kristo@ti.com> | 2019-02-15 17:47:55 +0300 |
| commit | fddf4e29a6ce97d693e2a2e759f495ddc4ac2474 (patch) | |
| tree | ca7c9ca8141252582abaa10865bdfe81e8d120a6 /drivers/clk/ti/autoidle.c | |
| parent | d277ce2d3a75c6c116a6119c3745694f5941eff5 (diff) | |
| download | linux-fddf4e29a6ce97d693e2a2e759f495ddc4ac2474.tar.xz | |
clk: ti: check clock type before doing autoidle ops
Code might use autoidle api with clocks not being omap2 clocks,
so check if clock type is really omap2.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Diffstat (limited to 'drivers/clk/ti/autoidle.c')
| -rw-r--r-- | drivers/clk/ti/autoidle.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/clk/ti/autoidle.c b/drivers/clk/ti/autoidle.c index 964e97b5478a..1cae226759dd 100644 --- a/drivers/clk/ti/autoidle.c +++ b/drivers/clk/ti/autoidle.c @@ -82,9 +82,15 @@ static int _omap2_clk_allow_idle(struct clk_hw_omap *clk) */ int omap2_clk_deny_idle(struct clk *clk) { - struct clk_hw_omap *c = to_clk_hw_omap(__clk_get_hw(clk)); + struct clk_hw *hw = __clk_get_hw(clk); - return _omap2_clk_deny_idle(c); + if (omap2_clk_is_hw_omap(hw)) { + struct clk_hw_omap *c = to_clk_hw_omap(hw); + + return _omap2_clk_deny_idle(c); + } + + return -EINVAL; } /** @@ -95,9 +101,15 @@ int omap2_clk_deny_idle(struct clk *clk) */ int omap2_clk_allow_idle(struct clk *clk) { - struct clk_hw_omap *c = to_clk_hw_omap(__clk_get_hw(clk)); + struct clk_hw *hw = __clk_get_hw(clk); + + if (omap2_clk_is_hw_omap(hw)) { + struct clk_hw_omap *c = to_clk_hw_omap(hw); + + return _omap2_clk_allow_idle(c); + } - return _omap2_clk_allow_idle(c); + return -EINVAL; } static void _allow_autoidle(struct clk_ti_autoidle *clk) |