From: Imran Shaik <quic_imrashai@xxxxxxxxxxx>
Add support to handle the invert logic for branch2 clocks.
Invert branch halt would indicate the clock ON when CLK_OFF
bit is '1' and OFF when CLK_OFF bit is '0'.
Signed-off-by: Imran Shaik <quic_imrashai@xxxxxxxxxxx>
Signed-off-by: Taniya Das <quic_tdas@xxxxxxxxxxx>
---
drivers/clk/qcom/clk-branch.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/clk/qcom/clk-branch.c b/drivers/clk/qcom/clk-branch.c
index f869fc6aaed6..4b24d45be771 100644
--- a/drivers/clk/qcom/clk-branch.c
+++ b/drivers/clk/qcom/clk-branch.c
@@ -48,6 +48,7 @@ static bool clk_branch2_check_halt(const struct clk_branch *br, bool enabling)
{
u32 val;
u32 mask;
+ bool invert = (br->halt_check == BRANCH_HALT_ENABLE);
mask = BRANCH_NOC_FSM_STATUS_MASK << BRANCH_NOC_FSM_STATUS_SHIFT;
mask |= BRANCH_CLK_OFF;
@@ -56,9 +57,16 @@ static bool clk_branch2_check_halt(const struct clk_branch *br, bool enabling)
if (enabling) {
val &= mask;
+
+ if (invert)
+ return (val & BRANCH_CLK_OFF) == BRANCH_CLK_OFF;
+
return (val & BRANCH_CLK_OFF) == 0 ||
val == BRANCH_NOC_FSM_STATUS_ON;
} else {
+ if (invert)
+ return (val & BRANCH_CLK_OFF) == 0;
+
return val & BRANCH_CLK_OFF;
}
}
--
2.17.1
