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authorAndreas Kemnade <andreas@kemnade.info>2019-01-17 01:04:28 +0300
committerTero Kristo <t-kristo@ti.com>2019-02-15 17:47:55 +0300
commitfddf4e29a6ce97d693e2a2e759f495ddc4ac2474 (patch)
treeca7c9ca8141252582abaa10865bdfe81e8d120a6 /drivers/clk/ti/autoidle.c
parentd277ce2d3a75c6c116a6119c3745694f5941eff5 (diff)
downloadlinux-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.c20
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)