diff options
| author | Unnathi Chalicheemala <quic_uchalich@quicinc.com> | 2024-05-31 09:45:25 -0700 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2024-05-31 17:43:57 -0500 |
| commit | 055afc34fd219c8e2290d736ad186edd58870a9e (patch) | |
| tree | b7dc696c9a54f63ce9e4e6fa7fa05e9ed8f59f1a /include/linux/soc/qcom | |
| parent | c190f390a852a2b892dbc8a70fed08118ef056ff (diff) | |
soc: qcom: llcc: Add regmap for Broadcast_AND region
Until SM8450, there was only one broadcast region (Broadcast_OR)
used to broadcast write and check for status bit 0.
>From SM8450 onwards another broadcast region (Broadcast_AND) has been
added which checks for status bit 1. This hasn't been updated and
Broadcast_OR region was wrongly being used to check for status bit 1 all
along.
Hence 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@quicinc.com>
Reviewed-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Link: https://lore.kernel.org/r/9cf19928a67eaa577ae0f02de5bf86276be34ea2.1717014052.git.quic_uchalich@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Diffstat (limited to 'include/linux/soc/qcom')
| -rw-r--r-- | include/linux/soc/qcom/llcc-qcom.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/soc/qcom/llcc-qcom.h b/include/linux/soc/qcom/llcc-qcom.h index 1a886666bbb6..9e9f528b1370 100644 --- a/include/linux/soc/qcom/llcc-qcom.h +++ b/include/linux/soc/qcom/llcc-qcom.h @@ -115,7 +115,8 @@ struct llcc_edac_reg_offset { /** * struct llcc_drv_data - Data associated with the llcc driver * @regmaps: regmaps associated with the llcc device - * @bcast_regmap: regmap associated with llcc broadcast offset + * @bcast_regmap: regmap associated with llcc broadcast OR offset + * @bcast_and_regmap: regmap associated with llcc broadcast AND offset * @cfg: pointer to the data structure for slice configuration * @edac_reg_offset: Offset of the LLCC EDAC registers * @lock: mutex associated with each slice @@ -129,6 +130,7 @@ struct llcc_edac_reg_offset { struct llcc_drv_data { struct regmap **regmaps; struct regmap *bcast_regmap; + struct regmap *bcast_and_regmap; const struct llcc_slice_config *cfg; const struct llcc_edac_reg_offset *edac_reg_offset; struct mutex lock; |