change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/lib/iov_iter.c
..
..
@@ -467,20 +467,6 @@
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 }
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 EXPORT_SYMBOL(iov_iter_init);
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-static void memcpy_from_page(char *to, struct page *page, size_t offset, size_t len)
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-{
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-	char *from = kmap_atomic(page);
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-	memcpy(to, from + offset, len);
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-	kunmap_atomic(from);
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-}
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-
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-static void memcpy_to_page(struct page *page, size_t offset, const char *from, size_t len)
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-{
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-	char *to = kmap_atomic(page);
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-	memcpy(to + offset, from, len);
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-	kunmap_atomic(to);
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-}
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-
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 static void memzero_page(struct page *page, size_t offset, size_t len)
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 {
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 	char *addr = kmap_atomic(page);