diff options
Diffstat (limited to 'arch/cris/arch-v32/kernel/cache.c')
| -rw-r--r-- | arch/cris/arch-v32/kernel/cache.c | 34 |
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); |