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-rw-r--r--drivers/memory/mtk-smi.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index 2b798bb48b74..a3ff19aed087 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -42,6 +42,7 @@
#define SMI_SECUR_CON_VAL_DOMAIN(id) (0x3 << ((((id) & 0x7) << 2) + 1))
struct mtk_smi_larb_gen {
+ bool need_larbid;
int port_in_larb[MTK_LARB_NR_MAX + 1];
void (*config_port)(struct device *);
};
@@ -214,6 +215,7 @@ static const struct mtk_smi_larb_gen mtk_smi_larb_mt8173 = {
};
static const struct mtk_smi_larb_gen mtk_smi_larb_mt2701 = {
+ .need_larbid = true,
.port_in_larb = {
LARB0_PORT_OFFSET, LARB1_PORT_OFFSET,
LARB2_PORT_OFFSET, LARB3_PORT_OFFSET
@@ -240,6 +242,7 @@ static int mtk_smi_larb_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct device_node *smi_node;
struct platform_device *smi_pdev;
+ int err;
if (!dev->pm_domain)
return -EPROBE_DEFER;
@@ -263,6 +266,15 @@ static int mtk_smi_larb_probe(struct platform_device *pdev)
return PTR_ERR(larb->smi.clk_smi);
larb->smi.dev = dev;
+ if (larb->larb_gen->need_larbid) {
+ err = of_property_read_u32(dev->of_node, "mediatek,larb-id",
+ &larb->larbid);
+ if (err) {
+ dev_err(dev, "missing larbid property\n");
+ return err;
+ }
+ }
+
smi_node = of_parse_phandle(dev->of_node, "mediatek,smi", 0);
if (!smi_node)
return -EINVAL;