mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-30 22:26:55 +00:00
Code Issues Releases Wiki Activity

memory: of: parse max-freq property

Browse source 
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>
Reviewed-by: Alim Akhtar <alim.ahtar@samsung.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220206135807.211767-8-krzysztof.kozlowski@canonical.com
This commit is contained in:
Krzysztof Kozlowski 2022-02-06 14:58:06 +01:00
parent 42f94bb962
commit 4e890b2228
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/memory/of_memory.c
View file

@ -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);