2021-06-24 06:36:25

by Herbert Xu

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Subject: [PATCH] crypto: omap - Drop obsolete PageSlab check

As it is now legal to call flush_dcache_page on slab pages we
no longer need to do the check in the omap driver. This patch
also uses flush_dcache_page instead of flush_kernel_dcache_page
because the page we're writing to could be anything.

Reported-by: Ira Weiny <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

diff --git a/drivers/crypto/omap-crypto.c b/drivers/crypto/omap-crypto.c
index 94b2dba90f0d..31bdb1d76d11 100644
--- a/drivers/crypto/omap-crypto.c
+++ b/drivers/crypto/omap-crypto.c
@@ -183,8 +183,7 @@ static void omap_crypto_copy_data(struct scatterlist *src,

memcpy(dstb, srcb, amt);

- if (!PageSlab(sg_page(dst)))
- flush_kernel_dcache_page(sg_page(dst));
+ flush_dcache_page(sg_page(dst));

kunmap_atomic(srcb);
kunmap_atomic(dstb);
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt