diff options
| author | Taniya Das <taniya.das@oss.qualcomm.com> | 2025-11-18 12:47:07 +0530 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2025-11-18 16:11:29 -0600 |
| commit | aa788d3b475652a3ebaca32ca714f02f8ece3393 (patch) | |
| tree | 595a1ef588140530fe807e01ae52ad81c5488ef7 | |
| parent | 53a18958349a627ae5d6b1ea708289b6cf3d8b9d (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.c | 8 |
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); } |
