Commit 9092d108 authored by Imran Shaik's avatar Imran Shaik Committed by Bjorn Andersson
Browse files

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



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: default avatarImran Shaik <quic_imrashai@quicinc.com>
Signed-off-by: default avatarTaniya Das <quic_tdas@quicinc.com>
Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230512122347.1219-2-quic_tdas@quicinc.com
parent 521302ca

drivers/clk/qcom/clk-branch.c

+3 −3
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ 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 = CBCR_NOC_FSM_STATUS;

	mask |= CBCR_CLK_OFF;
@@ -51,11 +52,10 @@ static bool clk_branch2_check_halt(const struct clk_branch *br, bool enabling) 


	if (enabling) {

		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;

	} 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,