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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-03-19 18:07:12 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-05-30 03:50:37 +0400 |
| commit | 314e47b7b651db93bbdeb83f4244240ff5d33baa (patch) | |
| tree | 1876391d89b184f221f47afe1cfd570a488da193 | |
| parent | 678ea28b7c3cc9a7196192dc77dfc13513db3d5f (diff) | |
| download | linux-314e47b7b651db93bbdeb83f4244240ff5d33baa.tar.xz | |
ARM: l2c: print a warning with L2C-310 caches if the cache size is modified
As we have now removed all instances of the L2C-310 having its cache
size "modified" via platform/SoC code, discourage new cases showing
up by printing a warning.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/mm/cache-l2x0.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index ae6e71b3295c..415efc3bee0d 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -765,6 +765,8 @@ static void __init __l2c_init(const struct l2c_init_data *data, /* Determine the number of ways */ switch (cache_id & L2X0_CACHE_ID_PART_MASK) { case L2X0_CACHE_ID_PART_L310: + if ((aux_val | ~aux_mask) & (L2C_AUX_CTRL_WAY_SIZE_MASK | L310_AUX_CTRL_ASSOCIATIVITY_16)) + pr_warn("L2C: DT/platform tries to modify or specify cache size\n"); if (aux & (1 << 16)) ways = 16; else |