From: Taniya Das Date: Tue, 18 Nov 2025 07:17:07 +0000 (+0530) Subject: clk: qcom: branch: Extend invert logic for branch2 mem clocks X-Git-Tag: v6.19-rc1~58^2^6~1^2~4 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=aa788d3b475652a3ebaca32ca714f02f8ece3393;p=thirdparty%2Fkernel%2Flinux.git clk: qcom: branch: Extend invert logic for branch2 mem clocks Some clock branches require inverted logic for memory gating, where disabling the memory involves setting a bit and enabling it involves clearing the same bit. This behavior differs from the standard approach memory branch clocks ops where enabling typically sets the bit. The mem_enable_invert to allow conditional handling of these sequences of the inverted control logic for memory operations required on those memory clock branches. Signed-off-by: Taniya Das Reviewed-by: Imran Shaik Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20251118-sm8750-videocc-v2-v4-3-049882a70c9f@oss.qualcomm.com Signed-off-by: Bjorn Andersson --- diff --git a/drivers/clk/qcom/clk-branch.c b/drivers/clk/qcom/clk-branch.c index 0f10090d4ae68..444e7d8648d42 100644 --- a/drivers/clk/qcom/clk-branch.c +++ b/drivers/clk/qcom/clk-branch.c @@ -142,8 +142,8 @@ static int clk_branch2_mem_enable(struct clk_hw *hw) u32 val; int ret; - regmap_update_bits(branch.clkr.regmap, mem_br->mem_enable_reg, - mem_br->mem_enable_ack_mask, mem_br->mem_enable_ack_mask); + regmap_assign_bits(branch.clkr.regmap, mem_br->mem_enable_reg, + mem_br->mem_enable_mask, !mem_br->mem_enable_invert); ret = regmap_read_poll_timeout(branch.clkr.regmap, mem_br->mem_ack_reg, val, val & mem_br->mem_enable_ack_mask, 0, 200); @@ -159,8 +159,8 @@ static void clk_branch2_mem_disable(struct clk_hw *hw) { struct clk_mem_branch *mem_br = to_clk_mem_branch(hw); - regmap_update_bits(mem_br->branch.clkr.regmap, mem_br->mem_enable_reg, - mem_br->mem_enable_ack_mask, 0); + regmap_assign_bits(mem_br->branch.clkr.regmap, mem_br->mem_enable_reg, + mem_br->mem_enable_mask, mem_br->mem_enable_invert); return clk_branch2_disable(hw); }