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| author | Julius Werner <jwerner@chromium.org> | 2022-02-23 16:34:20 -0800 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2022-02-25 13:36:49 +0100 |
| commit | a06bf59d07f45a0a6ab4ab8ac69c1d708d3fadcb (patch) | |
| tree | e61cc6cdeb93bcc1260fecb30303e08997a4cef4 /drivers/memory | |
| parent | 80ce91730d3283f10810245db2605498d794fa29 (diff) | |
| download | linux-a06bf59d07f45a0a6ab4ab8ac69c1d708d3fadcb.tar.gz | |
memory: Update of_memory lpddr2 revision-id binding
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>
Link: https://lore.kernel.org/r/20220224003421.3440124-3-jwerner@chromium.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Diffstat (limited to 'drivers/memory')
| -rw-r--r-- | drivers/memory/of_memory.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/memory/of_memory.c b/drivers/memory/of_memory.c index bac5c7f3493692..dbdf87bc0b78ef 100644 --- a/drivers/memory/of_memory.c +++ b/drivers/memory/of_memory.c @@ -318,14 +318,21 @@ 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) |