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kernel
os
linux
sh: Cleanup whitespace damage in sh4_flush_icache_range().
There was quite a lot of tab->space damage done here from a former patch,
clean it up once and for all.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
+33
-30
+33
-30
arch/sh/mm/cache-sh4.c
+33
-30
arch/sh/mm/cache-sh4.c
···
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static void sh4_flush_icache_range(void *args)
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{
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struct flusher_data *data = args;
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-
int icacheaddr;
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unsigned long start, end;
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unsigned long flags, v;
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int i;
···
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start = data->addr1;
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end = data->addr2;
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/* If there are too many pages then just blow the caches */
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if (((end - start) >> PAGE_SHIFT) >= MAX_ICACHE_PAGES) {
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local_flush_cache_all(args);
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} else {
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/* selectively flush d-cache then invalidate the i-cache */
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/* this is inefficient, so only use for small ranges */
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start &= ~(L1_CACHE_BYTES-1);
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end += L1_CACHE_BYTES-1;
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end &= ~(L1_CACHE_BYTES-1);
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local_irq_save(flags);
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jump_to_uncached();
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for (v = start; v < end; v+=L1_CACHE_BYTES) {
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asm volatile("ocbwb %0"
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: /* no output */
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: "m" (__m(v)));
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icacheaddr = CACHE_IC_ADDRESS_ARRAY | (
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v & cpu_data->icache.entry_mask);
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for (i = 0; i < cpu_data->icache.ways;
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i++, icacheaddr += cpu_data->icache.way_incr)
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/* Clear i-cache line valid-bit */
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ctrl_outl(0, icacheaddr);
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}
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back_to_cached();
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local_irq_restore(flags);
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/* If there are too many pages then just blow away the caches */
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if (((end - start) >> PAGE_SHIFT) >= MAX_ICACHE_PAGES) {
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local_flush_cache_all(NULL);
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return;
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}
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+
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/*
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* Selectively flush d-cache then invalidate the i-cache.
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* This is inefficient, so only use this for small ranges.
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*/
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start &= ~(L1_CACHE_BYTES-1);
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end += L1_CACHE_BYTES-1;
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end &= ~(L1_CACHE_BYTES-1);
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+
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local_irq_save(flags);
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jump_to_uncached();
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+
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for (v = start; v < end; v += L1_CACHE_BYTES) {
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unsigned long icacheaddr;
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+
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__ocbwb(v);
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icacheaddr = CACHE_IC_ADDRESS_ARRAY | (v &
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cpu_data->icache.entry_mask);
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/* Clear i-cache line valid-bit */
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for (i = 0; i < cpu_data->icache.ways; i++) {
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__raw_writel(0, icacheaddr);
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icacheaddr += cpu_data->icache.way_incr;
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}
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}
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back_to_cached();
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local_irq_restore(flags);
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}
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static inline void flush_cache_4096(unsigned long start,