Messages in this thread Patch in this message | | | From | Krzysztof Kozlowski <> | Subject | [PATCH v3 7/8] memory: of: parse max-freq property | Date | Sun, 6 Feb 2022 14:58:06 +0100 |
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Passing the memory timings maximum frequency as an unit address was a workaround and instead 'max-freq' is preferred. Look for 'max-freq' first and then fallback to 'reg'.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> --- drivers/memory/of_memory.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/memory/of_memory.c b/drivers/memory/of_memory.c index b94408954d85..bac5c7f34936 100644 --- a/drivers/memory/of_memory.c +++ b/drivers/memory/of_memory.c @@ -212,8 +212,10 @@ static int of_lpddr3_do_get_timings(struct device_node *np, { int ret; - /* The 'reg' param required since DT has changed, used as 'max-freq' */ - ret = of_property_read_u32(np, "reg", &tim->max_freq); + ret = of_property_read_u32(np, "max-freq", &tim->max_freq); + if (ret) + /* Deprecated way of passing max-freq as 'reg' */ + ret = of_property_read_u32(np, "reg", &tim->max_freq); ret |= of_property_read_u32(np, "min-freq", &tim->min_freq); ret |= of_property_read_u32(np, "tRFC", &tim->tRFC); ret |= of_property_read_u32(np, "tRRD", &tim->tRRD); -- 2.32.0
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