Re: [PATCH v3 2/5] soc: qcom: llcc: Add regmap for Broadcast_AND region

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On 2/23/24 00:07, Unnathi Chalicheemala wrote:
Define new regmap structure for Broadcast_AND region and initialize
this regmap when HW block version is greater than 4.1, otherwise
initialize as a NULL pointer for backwards compatibility.

Switch from broadcast_OR to broadcast_AND region (when defined in DT)
for checking status bit 1 as Broadcast_OR region checks only for bit 0.

Signed-off-by: Unnathi Chalicheemala <quic_uchalich@xxxxxxxxxxx>
---
  drivers/soc/qcom/llcc-qcom.c       | 15 ++++++++++++++-
  include/linux/soc/qcom/llcc-qcom.h |  4 +++-
  2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c
index 4ca88eaebf06..cfdc7d9d7773 100644
--- a/drivers/soc/qcom/llcc-qcom.c
+++ b/drivers/soc/qcom/llcc-qcom.c
@@ -826,6 +826,7 @@ static int llcc_update_act_ctrl(u32 sid,
  	u32 status_reg;
  	u32 slice_status;
  	int ret;
+	struct regmap *regmap;
Reverse-Christmas-tree, please

if (IS_ERR(drv_data))
  		return PTR_ERR(drv_data);
@@ -849,7 +850,9 @@ static int llcc_update_act_ctrl(u32 sid,
  		return ret;
if (drv_data->version >= LLCC_VERSION_4_1_0_0) {
-		ret = regmap_read_poll_timeout(drv_data->bcast_regmap, status_reg,
+		regmap = (!drv_data->bcast_and_regmap) ? drv_data->bcast_regmap
+			: drv_data->bcast_and_regmap;

<raised eyebrow emoji>

regmap = drv_data->bcast_and_regmap ?: drv_data->bcast_regmap

Konrad




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