[PATCH 11/75] ARM: l2c: provide generic function for calling set_debug method
From: Russell King <hidden>
Date: 2014-03-28 15:15:16
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Provide a generic function which always calls the set_debug method. This will be used later in the series as some work-arounds require that the debug register be written. Signed-off-by: Russell King <redacted> --- arch/arm/mm/cache-l2x0.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index d659c4ca46bb..595c50519e41 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c@@ -57,6 +57,16 @@ static inline void cache_wait_way(void __iomem *reg, unsigned long mask) cpu_relax(); } +/* + * This should only be called when we have a requirement that the + * register be written due to a work-around, as platforms running + * in non-secure mode may not be able to access this register. + */ +static inline void l2c_set_debug(void __iomem *base, unsigned long val) +{ + outer_cache.set_debug(val); +} + #ifdef CONFIG_CACHE_PL310 static inline void cache_wait(void __iomem *reg, unsigned long mask) {
@@ -92,7 +102,7 @@ static inline void l2x0_inv_line(unsigned long addr) static inline void debug_writel(unsigned long val) { if (outer_cache.set_debug) - outer_cache.set_debug(val); + l2c_set_debug(l2x0_base, val); } static void pl310_set_debug(unsigned long val)
--
1.8.3.1