The *cache_page_indexed flush functions are no (longer) used.
Signed-off-by: Thomas Bogendoerfer <[email protected]>
---
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
There are only three drivers left using ide.h, which are all m68k only.
Signed-off-by: Thomas Bogendoerfer <[email protected]>
---
arch/mips/include/asm/ide.h | 13 ---
arch/mips/include/asm/mach-generic/ide.h | 138 -----------------------
2 files changed, 151 deletions(-)
delete mode 100644 arch/mips/include/asm/ide.h
delete mode 100644 arch/mips/include/asm/mach-generic/ide.h
diff --git a/arch/mips/include/asm/ide.h b/arch/mips/include/asm/ide.h
deleted file mode 100644
index bb674c3b0303..000000000000
--- a/arch/mips/include/asm/ide.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * This file contains the MIPS architecture specific IDE code.
- */
-#ifndef __ASM_IDE_H
-#define __ASM_IDE_H
-
-#include <ide.h>
-
-#endif /* __ASM_IDE_H */
diff --git a/arch/mips/include/asm/mach-generic/ide.h b/arch/mips/include/asm/mach-generic/ide.h
deleted file mode 100644
index 4ae5fbcb15a5..000000000000
--- a/arch/mips/include/asm/mach-generic/ide.h
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1994-1996 Linus Torvalds & authors
- *
- * Copied from i386; many of the especially older MIPS or ISA-based platforms
- * are basically identical. Using this file probably implies i8259 PIC
- * support in a system but the very least interrupt numbers 0 - 15 need to
- * be put aside for legacy devices.
- */
-#ifndef __ASM_MACH_GENERIC_IDE_H
-#define __ASM_MACH_GENERIC_IDE_H
-
-#ifdef __KERNEL__
-
-#include <linux/pci.h>
-#include <linux/stddef.h>
-#include <asm/processor.h>
-
-/* MIPS port and memory-mapped I/O string operations. */
-static inline void __ide_flush_prologue(void)
-{
-#ifdef CONFIG_SMP
- if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc)
- preempt_disable();
-#endif
-}
-
-static inline void __ide_flush_epilogue(void)
-{
-#ifdef CONFIG_SMP
- if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc)
- preempt_enable();
-#endif
-}
-
-static inline void __ide_flush_dcache_range(unsigned long addr, unsigned long size)
-{
- if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc) {
- unsigned long end = addr + size;
-
- while (addr < end) {
- local_flush_data_cache_page((void *)addr);
- addr += PAGE_SIZE;
- }
- }
-}
-
-/*
- * insw() and gang might be called with interrupts disabled, so we can't
- * send IPIs for flushing due to the potencial of deadlocks, see the comment
- * above smp_call_function() in arch/mips/kernel/smp.c. We work around the
- * problem by disabling preemption so we know we actually perform the flush
- * on the processor that actually has the lines to be flushed which hopefully
- * is even better for performance anyway.
- */
-static inline void __ide_insw(unsigned long port, void *addr,
- unsigned int count)
-{
- __ide_flush_prologue();
- insw(port, addr, count);
- __ide_flush_dcache_range((unsigned long)addr, count * 2);
- __ide_flush_epilogue();
-}
-
-static inline void __ide_insl(unsigned long port, void *addr, unsigned int count)
-{
- __ide_flush_prologue();
- insl(port, addr, count);
- __ide_flush_dcache_range((unsigned long)addr, count * 4);
- __ide_flush_epilogue();
-}
-
-static inline void __ide_outsw(unsigned long port, const void *addr,
- unsigned long count)
-{
- __ide_flush_prologue();
- outsw(port, addr, count);
- __ide_flush_dcache_range((unsigned long)addr, count * 2);
- __ide_flush_epilogue();
-}
-
-static inline void __ide_outsl(unsigned long port, const void *addr,
- unsigned long count)
-{
- __ide_flush_prologue();
- outsl(port, addr, count);
- __ide_flush_dcache_range((unsigned long)addr, count * 4);
- __ide_flush_epilogue();
-}
-
-static inline void __ide_mm_insw(void __iomem *port, void *addr, u32 count)
-{
- __ide_flush_prologue();
- readsw(port, addr, count);
- __ide_flush_dcache_range((unsigned long)addr, count * 2);
- __ide_flush_epilogue();
-}
-
-static inline void __ide_mm_insl(void __iomem *port, void *addr, u32 count)
-{
- __ide_flush_prologue();
- readsl(port, addr, count);
- __ide_flush_dcache_range((unsigned long)addr, count * 4);
- __ide_flush_epilogue();
-}
-
-static inline void __ide_mm_outsw(void __iomem *port, void *addr, u32 count)
-{
- __ide_flush_prologue();
- writesw(port, addr, count);
- __ide_flush_dcache_range((unsigned long)addr, count * 2);
- __ide_flush_epilogue();
-}
-
-static inline void __ide_mm_outsl(void __iomem * port, void *addr, u32 count)
-{
- __ide_flush_prologue();
- writesl(port, addr, count);
- __ide_flush_dcache_range((unsigned long)addr, count * 4);
- __ide_flush_epilogue();
-}
-
-/* ide_insw calls insw, not __ide_insw. Why? */
-#undef insw
-#undef insl
-#undef outsw
-#undef outsl
-#define insw(port, addr, count) __ide_insw(port, addr, count)
-#define insl(port, addr, count) __ide_insl(port, addr, count)
-#define outsw(port, addr, count) __ide_outsw(port, addr, count)
-#define outsl(port, addr, count) __ide_outsl(port, addr, count)
-
-#endif /* __KERNEL__ */
-
-#endif /* __ASM_MACH_GENERIC_IDE_H */
--
2.35.3
After ide.h is gone, there are no users of local_cache_flush_page() left.
Signed-off-by: Thomas Bogendoerfer <[email protected]>
---
arch/mips/include/asm/cacheflush.h | 1 -
arch/mips/mm/c-r3k.c | 5 -----
arch/mips/mm/c-r4k.c | 3 ---
arch/mips/mm/cache.c | 2 --
4 files changed, 11 deletions(-)
diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
index b3dc9c589442..d8d3f80f9fc0 100644
--- a/arch/mips/include/asm/cacheflush.h
+++ b/arch/mips/include/asm/cacheflush.h
@@ -110,7 +110,6 @@ extern void copy_from_user_page(struct vm_area_struct *vma,
unsigned long len);
extern void (*flush_icache_all)(void);
-extern void (*local_flush_data_cache_page)(void * addr);
extern void (*flush_data_cache_page)(unsigned long addr);
/* Run kernel code uncached, useful for cache probing functions. */
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index df6755ca1892..5869df848fab 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -261,10 +261,6 @@ static void r3k_flush_cache_page(struct vm_area_struct *vma,
r3k_flush_icache_range(kaddr, kaddr + PAGE_SIZE);
}
-static void local_r3k_flush_data_cache_page(void *addr)
-{
-}
-
static void r3k_flush_data_cache_page(unsigned long addr)
{
}
@@ -302,7 +298,6 @@ void r3k_cache_init(void)
__flush_kernel_vmap_range = r3k_flush_kernel_vmap_range;
- local_flush_data_cache_page = local_r3k_flush_data_cache_page;
flush_data_cache_page = r3k_flush_data_cache_page;
_dma_cache_wback_inv = r3k_dma_cache_wback_inv;
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 3e0fe9eefdf6..a04047487e83 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1759,7 +1759,6 @@ void r4k_cache_init(void)
__flush_kernel_vmap_range = r4k_flush_kernel_vmap_range;
flush_icache_all = r4k_flush_icache_all;
- local_flush_data_cache_page = local_r4k_flush_data_cache_page;
flush_data_cache_page = r4k_flush_data_cache_page;
flush_icache_range = r4k_flush_icache_range;
local_flush_icache_range = local_r4k_flush_icache_range;
@@ -1802,7 +1801,6 @@ void r4k_cache_init(void)
/* I$ fills from D$ just by emptying the write buffers */
flush_cache_page = (void *)b5k_instruction_hazard;
flush_cache_range = (void *)b5k_instruction_hazard;
- local_flush_data_cache_page = (void *)b5k_instruction_hazard;
flush_data_cache_page = (void *)b5k_instruction_hazard;
flush_icache_range = (void *)b5k_instruction_hazard;
local_flush_icache_range = (void *)b5k_instruction_hazard;
@@ -1822,7 +1820,6 @@ void r4k_cache_init(void)
flush_cache_range = (void *)cache_noop;
flush_icache_all = (void *)cache_noop;
flush_data_cache_page = (void *)cache_noop;
- local_flush_data_cache_page = (void *)cache_noop;
break;
}
}
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 11b3e7ddafd5..e9e6c0cfa7e1 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -48,11 +48,9 @@ void (*__flush_kernel_vmap_range)(unsigned long vaddr, int size);
EXPORT_SYMBOL_GPL(__flush_kernel_vmap_range);
/* MIPS specific cache operations */
-void (*local_flush_data_cache_page)(void * addr);
void (*flush_data_cache_page)(unsigned long addr);
void (*flush_icache_all)(void);
-EXPORT_SYMBOL_GPL(local_flush_data_cache_page);
EXPORT_SYMBOL(flush_data_cache_page);
EXPORT_SYMBOL(flush_icache_all);
--
2.35.3
On Mon, Apr 03, 2023 at 11:41:10AM +0200, Thomas Bogendoerfer wrote:
> The *cache_page_indexed flush functions are no (longer) used.
>
> Signed-off-by: Thomas Bogendoerfer <[email protected]>
> ---
> arch/mips/mm/c-r4k.c | 100 -------------------------------------------
> 1 file changed, 100 deletions(-)
applied to mips-next.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
On Mon, Apr 03, 2023 at 11:41:11AM +0200, Thomas Bogendoerfer wrote:
> There are only three drivers left using ide.h, which are all m68k only.
>
> Signed-off-by: Thomas Bogendoerfer <[email protected]>
> ---
> arch/mips/include/asm/ide.h | 13 ---
> arch/mips/include/asm/mach-generic/ide.h | 138 -----------------------
> 2 files changed, 151 deletions(-)
> delete mode 100644 arch/mips/include/asm/ide.h
> delete mode 100644 arch/mips/include/asm/mach-generic/ide.h
applied to mips-next.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
On Mon, Apr 03, 2023 at 11:41:12AM +0200, Thomas Bogendoerfer wrote:
> After ide.h is gone, there are no users of local_cache_flush_page() left.
>
> Signed-off-by: Thomas Bogendoerfer <[email protected]>
> ---
> arch/mips/include/asm/cacheflush.h | 1 -
> arch/mips/mm/c-r3k.c | 5 -----
> arch/mips/mm/c-r4k.c | 3 ---
> arch/mips/mm/cache.c | 2 --
> 4 files changed, 11 deletions(-)
applied to mips-next.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]