Use "num-banks" property to indicate the actual num of banks for
errata.
Signed-off-by: Jingyi Wang <quic_jingyw@xxxxxxxxxxx>
---
drivers/soc/qcom/llcc-qcom.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c
index 8fa4ffd3a9b5..3fb45e625d82 100644
--- a/drivers/soc/qcom/llcc-qcom.c
+++ b/drivers/soc/qcom/llcc-qcom.c
@@ -1275,12 +1275,17 @@ static int qcom_llcc_probe(struct platform_device *pdev)
goto err;
cfg = &cfgs->llcc_config[cfg_index];
- ret = regmap_read(regmap, cfg->reg_offset[LLCC_COMMON_STATUS0], &num_banks);
- if (ret)
- goto err;
+ if (unlikely(!of_property_read_u32(dev->of_node, "num-banks", &num_banks))) {
+ /* errata: get num of llcc banks. */
+ } else {
+ ret = regmap_read(regmap, cfg->reg_offset[LLCC_COMMON_STATUS0], &num_banks);
+ if (ret)
+ goto err;
+
+ num_banks &= LLCC_LB_CNT_MASK;
+ num_banks >>= LLCC_LB_CNT_SHIFT;
+ }
- num_banks &= LLCC_LB_CNT_MASK;
- num_banks >>= LLCC_LB_CNT_SHIFT;
drv_data->num_banks = num_banks;
drv_data->regmaps = devm_kcalloc(dev, num_banks, sizeof(*drv_data->regmaps), GFP_KERNEL);
--
2.25.1
