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Diffstat (limited to 'arch/cris/arch-v32/kernel/cache.c')
-rw-r--r--arch/cris/arch-v32/kernel/cache.c34
1 files changed, 0 insertions, 34 deletions
diff --git a/arch/cris/arch-v32/kernel/cache.c b/arch/cris/arch-v32/kernel/cache.c
deleted file mode 100644
index a080d2fa4803..000000000000
--- a/arch/cris/arch-v32/kernel/cache.c
+++ /dev/null
@@ -1,34 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/module.h>
-#include <asm/io.h>
-#include <arch/cache.h>
-#include <arch/hwregs/dma.h>
-
-/* This file is used to workaround a cache bug, Guinness TR 106. */
-
-inline void flush_dma_descr(struct dma_descr_data *descr, int flush_buf)
-{
- /* Flush descriptor to make sure we get correct in_eop and after. */
- asm volatile ("ftagd [%0]" :: "r" (descr));
- /* Flush buffer pointed out by descriptor. */
- if (flush_buf)
- cris_flush_cache_range(phys_to_virt((unsigned)descr->buf),
- (unsigned)(descr->after - descr->buf));
-}
-EXPORT_SYMBOL(flush_dma_descr);
-
-void flush_dma_list(struct dma_descr_data *descr)
-{
- while (1) {
- flush_dma_descr(descr, 1);
- if (descr->eol)
- break;
- descr = phys_to_virt((unsigned)descr->next);
- }
-}
-EXPORT_SYMBOL(flush_dma_list);
-
-/* From cacheflush.S */
-EXPORT_SYMBOL(cris_flush_cache);
-/* From cacheflush.S */
-EXPORT_SYMBOL(cris_flush_cache_range);