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Subject[PATCH 2/3] memory: Update of_memory lpddr2 revision-id binding
Date
This patch updates the code parsing the "jedec,lpddr2" device tree
binding to use the new `revision-id` property instead of the deprecated
`revision-id1` and `revision-id2` properties if available.

Signed-off-by: Julius Werner <jwerner@chromium.org>
---
drivers/memory/of_memory.c | 23 +++++++++++++++--------
1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/drivers/memory/of_memory.c b/drivers/memory/of_memory.c
index b94408954d85cc..454a0e6d544cac 100644
--- a/drivers/memory/of_memory.c
+++ b/drivers/memory/of_memory.c
@@ -316,14 +316,21 @@ const struct lpddr2_info
struct property *prop;
const char *cp;
int err;
-
- err = of_property_read_u32(np, "revision-id1", &info.revision_id1);
- if (err)
- info.revision_id1 = -ENOENT;
-
- err = of_property_read_u32(np, "revision-id2", &info.revision_id2);
- if (err)
- info.revision_id2 = -ENOENT;
+ u32 revision_id[2];
+
+ err = of_property_read_u32_array(np, "revision-id", revision_id, 2);
+ if (!err) {
+ info.revision_id1 = revision_id[0];
+ info.revision_id2 = revision_id[1];
+ } else {
+ err = of_property_read_u32(np, "revision-id1", &info.revision_id1);
+ if (err)
+ info.revision_id1 = -ENOENT;
+
+ err = of_property_read_u32(np, "revision-id2", &info.revision_id2);
+ if (err)
+ info.revision_id2 = -ENOENT;
+ }

err = of_property_read_u32(np, "io-width", &info.io_width);
if (err)
--
2.31.0
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