| Message ID | 20230901091823.30242-2-quic_luoj@quicinc.com (mailing list archive) |
|---|---|
| State | Awaiting Upstream, archived |
| Headers | show |
| Series | add clock controller of qca8386/qca8084 | expand |
Quoting Luo Jie (2023-09-01 02:18:20) > Add the clk_branch2_prepare_ops for supporting clock controller > where the hardware register is accessed by MDIO bus, and the > spin lock can't be used because of sleep during the MDIO > operation. > > The clock is enabled by the .prepare instead of .enable when > the clk_branch2_prepare_ops is used. > > Signed-off-by: Luo Jie <quic_luoj@quicinc.com> > --- Acked-by: Stephen Boyd <sboyd@kernel.org>
diff --git a/drivers/clk/qcom/clk-branch.c b/drivers/clk/qcom/clk-branch.c index fc4735f74f0f..e22cdcf694f6 100644 --- a/drivers/clk/qcom/clk-branch.c +++ b/drivers/clk/qcom/clk-branch.c @@ -153,3 +153,10 @@ const struct clk_ops clk_branch_simple_ops = { .is_enabled = clk_is_enabled_regmap, }; EXPORT_SYMBOL_GPL(clk_branch_simple_ops); + +const struct clk_ops clk_branch2_prepare_ops = { + .prepare = clk_branch2_enable, + .unprepare = clk_branch2_disable, + .is_prepared = clk_is_enabled_regmap, +}; +EXPORT_SYMBOL_GPL(clk_branch2_prepare_ops); diff --git a/drivers/clk/qcom/clk-branch.h b/drivers/clk/qcom/clk-branch.h index 0cf800b9d08d..f6f355f28b71 100644 --- a/drivers/clk/qcom/clk-branch.h +++ b/drivers/clk/qcom/clk-branch.h @@ -85,6 +85,7 @@ extern const struct clk_ops clk_branch_ops; extern const struct clk_ops clk_branch2_ops; extern const struct clk_ops clk_branch_simple_ops; extern const struct clk_ops clk_branch2_aon_ops; +extern const struct clk_ops clk_branch2_prepare_ops; #define to_clk_branch(_hw) \ container_of(to_clk_regmap(_hw), struct clk_branch, clkr)
Add the clk_branch2_prepare_ops for supporting clock controller where the hardware register is accessed by MDIO bus, and the spin lock can't be used because of sleep during the MDIO operation. The clock is enabled by the .prepare instead of .enable when the clk_branch2_prepare_ops is used. Signed-off-by: Luo Jie <quic_luoj@quicinc.com> --- drivers/clk/qcom/clk-branch.c | 7 +++++++ drivers/clk/qcom/clk-branch.h | 1 + 2 files changed, 8 insertions(+)