Commit 8c41cdca authored by Paul Mundt's avatar Paul Mundt
Browse files

sh64: Kill off dead i/d-cache disabled bits. 



These will be handled through the shared cache interface instead, and
they are presently undefined anyways.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 94ecd224

arch/sh/mm/cache-sh5.c

+0 −12
Original line number Diff line number Diff line
@@ -25,14 +25,6 @@ extern void __weak sh4__flush_region_init(void); 
/* Wired TLB entry for the D-cache */

static unsigned long long dtlb_cache_slot;



#ifdef CONFIG_DCACHE_DISABLED

#define sh64_dcache_purge_all()					do { } while (0)

#define sh64_dcache_purge_coloured_phy_page(paddr, eaddr)	do { } while (0)

#define sh64_dcache_purge_user_range(mm, start, end)		do { } while (0)

#define sh64_dcache_purge_phy_page(paddr)			do { } while (0)

#define sh64_dcache_purge_virt_page(mm, eaddr)			do { } while (0)

#endif



/*

 * The following group of functions deal with mapping and unmapping a

 * temporary page into a DTLB slot that has been set aside for exclusive
@@ -52,7 +44,6 @@ static inline void sh64_teardown_dtlb_cache_slot(void) 
	local_irq_enable();

}



#ifndef CONFIG_ICACHE_DISABLED

static inline void sh64_icache_inv_all(void)

{

	unsigned long long addr, flag, data;
@@ -237,9 +228,7 @@ static void sh64_icache_inv_current_user_range(unsigned long start, unsigned lon 
		addr += L1_CACHE_BYTES;

	}

}

#endif /* !CONFIG_ICACHE_DISABLED */



#ifndef CONFIG_DCACHE_DISABLED

/* Buffer used as the target of alloco instructions to purge data from cache

   sets by natural eviction. -- RPC */

#define DUMMY_ALLOCO_AREA_SIZE ((L1_CACHE_BYTES << 10) + (1024 * 4))
@@ -489,7 +478,6 @@ static void sh64_dcache_purge_user_range(struct mm_struct *mm, 
		sh64_dcache_purge_user_pages(mm, start, end);

	}

}

#endif /* !CONFIG_DCACHE_DISABLED */



/*

 * Invalidate the entire contents of both caches, after writing back to