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clk: qcom: branch: Extend the invert logic for branch2 clocks

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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@quicinc.com>
Signed-off-by: Taniya Das <quic_tdas@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230512122347.1219-2-quic_tdas@quicinc.com
This commit is contained in:
Imran Shaik
2023-05-12 17:53:43 +05:30
committed by Bjorn Andersson
parent 521302ca64
commit 9092d1083a
1 changed files with 3 additions and 3 deletions
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6
drivers/clk/qcom/clk-branch.c
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@@ -43,6 +43,7 @@ static bool clk_branch2_check_halt(const struct clk_branch *br, bool enabling)
{ {
u32 val; u32 val;
u32 mask; u32 mask;
bool invert = (br->halt_check == BRANCH_HALT_ENABLE);
mask = CBCR_NOC_FSM_STATUS; mask = CBCR_NOC_FSM_STATUS;
mask |= CBCR_CLK_OFF; mask |= CBCR_CLK_OFF;
@@ -51,11 +52,10 @@ static bool clk_branch2_check_halt(const struct clk_branch *br, bool enabling)
if (enabling) { if (enabling) {
val &= mask; val &= mask;
return (val & CBCR_CLK_OFF) == 0 || return (val & CBCR_CLK_OFF) == (invert ? CBCR_CLK_OFF : 0) ||
FIELD_GET(CBCR_NOC_FSM_STATUS, val) == FSM_STATUS_ON; FIELD_GET(CBCR_NOC_FSM_STATUS, val) == FSM_STATUS_ON;
} else {
return val & CBCR_CLK_OFF;
} }
return (val & CBCR_CLK_OFF) == (invert ? 0 : CBCR_CLK_OFF);
} }
static int clk_branch_wait(const struct clk_branch *br, bool enabling, static int clk_branch_wait(const struct clk_branch *br, bool enabling,