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authorTaniya Das <taniya.das@oss.qualcomm.com>2025-11-18 12:47:07 +0530
committerBjorn Andersson <andersson@kernel.org>2025-11-18 16:11:29 -0600
commitaa788d3b475652a3ebaca32ca714f02f8ece3393 (patch)
tree595a1ef588140530fe807e01ae52ad81c5488ef7
parent53a18958349a627ae5d6b1ea708289b6cf3d8b9d (diff)
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 <taniya.das@oss.qualcomm.com> Reviewed-by: Imran Shaik <imran.shaik@oss.qualcomm.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Link: https://lore.kernel.org/r/20251118-sm8750-videocc-v2-v4-3-049882a70c9f@oss.qualcomm.com Signed-off-by: Bjorn Andersson <andersson@kernel.org>
-rw-r--r--drivers/clk/qcom/clk-branch.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/clk/qcom/clk-branch.c b/drivers/clk/qcom/clk-branch.c
index 0f10090d4ae6..444e7d8648d4 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);
}