[PATCH 1/3] MIPS: mm: Remove unused *cache_page_indexed flush functions

Thomas Bogendoerfer
2023-04-03T09:42:15Z

The *cache_page_indexed flush functions are no (longer) used.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
arch/mips/mm/c-r4k.c | 100 -------------------------------------------
1 file changed, 100 deletions(-)

diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 7d447050a20b..3e0fe9eefdf6 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -201,24 +201,6 @@ static void r4k_blast_dcache_user_page_setup(void)

#endif

-static void (* r4k_blast_dcache_page_indexed)(unsigned long addr);
-
-static void r4k_blast_dcache_page_indexed_setup(void)
-{
- unsigned long dc_lsize = cpu_dcache_line_size();
-
- if (dc_lsize == 0)
- r4k_blast_dcache_page_indexed = (void *)cache_noop;
- else if (dc_lsize == 16)
- r4k_blast_dcache_page_indexed = blast_dcache16_page_indexed;
- else if (dc_lsize == 32)
- r4k_blast_dcache_page_indexed = blast_dcache32_page_indexed;
- else if (dc_lsize == 64)
- r4k_blast_dcache_page_indexed = blast_dcache64_page_indexed;
- else if (dc_lsize == 128)
- r4k_blast_dcache_page_indexed = blast_dcache128_page_indexed;
-}
-
void (* r4k_blast_dcache)(void);
EXPORT_SYMBOL(r4k_blast_dcache);

@@ -280,39 +262,6 @@ static inline void tx49_blast_icache32(void)
addr | ws, 32);
}

-static inline void blast_icache32_r4600_v1_page_indexed(unsigned long page)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- blast_icache32_page_indexed(page);
- local_irq_restore(flags);
-}
-
-static inline void tx49_blast_icache32_page_indexed(unsigned long page)
-{
- unsigned long indexmask = current_cpu_data.icache.waysize - 1;
- unsigned long start = INDEX_BASE + (page & indexmask);
- unsigned long end = start + PAGE_SIZE;
- unsigned long ws_inc = 1UL << current_cpu_data.icache.waybit;
- unsigned long ws_end = current_cpu_data.icache.ways <<
- current_cpu_data.icache.waybit;
- unsigned long ws, addr;
-
- CACHE32_UNROLL32_ALIGN2;
- /* I'm in even chunk. blast odd chunks */
- for (ws = 0; ws < ws_end; ws += ws_inc)
- for (addr = start + 0x400; addr < end; addr += 0x400 * 2)
- cache_unroll(32, kernel_cache, Index_Invalidate_I,
- addr | ws, 32);
- CACHE32_UNROLL32_ALIGN;
- /* I'm in odd chunk. blast even chunks */
- for (ws = 0; ws < ws_end; ws += ws_inc)
- for (addr = start; addr < end; addr += 0x400 * 2)
- cache_unroll(32, kernel_cache, Index_Invalidate_I,
- addr | ws, 32);
-}
-
static void (* r4k_blast_icache_page)(unsigned long addr);

static void r4k_blast_icache_page_setup(void)
@@ -355,34 +304,6 @@ static void r4k_blast_icache_user_page_setup(void)

#endif

-static void (* r4k_blast_icache_page_indexed)(unsigned long addr);
-
-static void r4k_blast_icache_page_indexed_setup(void)
-{
- unsigned long ic_lsize = cpu_icache_line_size();
-
- if (ic_lsize == 0)
- r4k_blast_icache_page_indexed = (void *)cache_noop;
- else if (ic_lsize == 16)
- r4k_blast_icache_page_indexed = blast_icache16_page_indexed;
- else if (ic_lsize == 32) {
- if (IS_ENABLED(CONFIG_WAR_R4600_V1_INDEX_ICACHEOP) &&
- cpu_is_r4600_v1_x())
- r4k_blast_icache_page_indexed =
- blast_icache32_r4600_v1_page_indexed;
- else if (IS_ENABLED(CONFIG_WAR_TX49XX_ICACHE_INDEX_INV))
- r4k_blast_icache_page_indexed =
- tx49_blast_icache32_page_indexed;
- else if (current_cpu_type() == CPU_LOONGSON2EF)
- r4k_blast_icache_page_indexed =
- loongson2_blast_icache32_page_indexed;
- else
- r4k_blast_icache_page_indexed =
- blast_icache32_page_indexed;
- } else if (ic_lsize == 64)
- r4k_blast_icache_page_indexed = blast_icache64_page_indexed;
-}
-
void (* r4k_blast_icache)(void);
EXPORT_SYMBOL(r4k_blast_icache);

@@ -428,24 +349,6 @@ static void r4k_blast_scache_page_setup(void)
r4k_blast_scache_page = blast_scache128_page;
}

-static void (* r4k_blast_scache_page_indexed)(unsigned long addr);
-
-static void r4k_blast_scache_page_indexed_setup(void)
-{
- unsigned long sc_lsize = cpu_scache_line_size();
-
- if (scache_size == 0)
- r4k_blast_scache_page_indexed = (void *)cache_noop;
- else if (sc_lsize == 16)
- r4k_blast_scache_page_indexed = blast_scache16_page_indexed;
- else if (sc_lsize == 32)
- r4k_blast_scache_page_indexed = blast_scache32_page_indexed;
- else if (sc_lsize == 64)
- r4k_blast_scache_page_indexed = blast_scache64_page_indexed;
- else if (sc_lsize == 128)
- r4k_blast_scache_page_indexed = blast_scache128_page_indexed;
-}
-
static void (* r4k_blast_scache)(void);

static void r4k_blast_scache_setup(void)
@@ -1821,13 +1724,10 @@ void r4k_cache_init(void)
setup_scache();

r4k_blast_dcache_page_setup();
- r4k_blast_dcache_page_indexed_setup();
r4k_blast_dcache_setup();
r4k_blast_icache_page_setup();
- r4k_blast_icache_page_indexed_setup();
r4k_blast_icache_setup();
r4k_blast_scache_page_setup();
- r4k_blast_scache_page_indexed_setup();
r4k_blast_scache_setup();
r4k_blast_scache_node_setup();
#ifdef CONFIG_EVA
--
2.35.3