Commit d1d787bc authored by Corentin Labbe's avatar Corentin Labbe Committed by Herbert Xu
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crypto: sun4i-ss - fix big endian issues



When testing BigEndian kernel, the sun4i-ss was failling all crypto
tests.
This patch fix endian issues with it.

Fixes: 6298e948 ("crypto: sunxi-ss - Add Allwinner Security System crypto accelerator")
Signed-off-by: default avatarCorentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 2edf8641
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+11 −10
Original line number Diff line number Diff line
@@ -187,7 +187,7 @@ static int sun4i_hash(struct ahash_request *areq)
	 */
	unsigned int i = 0, end, fill, min_fill, nwait, nbw = 0, j = 0, todo;
	unsigned int in_i = 0;
	u32 spaces, rx_cnt = SS_RX_DEFAULT, bf[32] = {0}, wb = 0, v, ivmode = 0;
	u32 spaces, rx_cnt = SS_RX_DEFAULT, bf[32] = {0}, v, ivmode = 0;
	struct sun4i_req_ctx *op = ahash_request_ctx(areq);
	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
	struct sun4i_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
@@ -196,6 +196,7 @@ static int sun4i_hash(struct ahash_request *areq)
	struct sg_mapping_iter mi;
	int in_r, err = 0;
	size_t copied = 0;
	__le32 wb = 0;

	dev_dbg(ss->dev, "%s %s bc=%llu len=%u mode=%x wl=%u h0=%0x",
		__func__, crypto_tfm_alg_name(areq->base.tfm),
@@ -407,7 +408,7 @@ hash_final:

		nbw = op->len - 4 * nwait;
		if (nbw) {
			wb = *(u32 *)(op->buf + nwait * 4);
			wb = cpu_to_le32(*(u32 *)(op->buf + nwait * 4));
			wb &= GENMASK((nbw * 8) - 1, 0);

			op->byte_count += nbw;
@@ -416,7 +417,7 @@ hash_final:

	/* write the remaining bytes of the nbw buffer */
	wb |= ((1 << 7) << (nbw * 8));
	bf[j++] = wb;
	bf[j++] = le32_to_cpu(wb);

	/*
	 * number of space to pad to obtain 64o minus 8(size) minus 4 (final 1)
@@ -435,13 +436,13 @@ hash_final:

	/* write the length of data */
	if (op->mode == SS_OP_SHA1) {
		__be64 bits = cpu_to_be64(op->byte_count << 3);
		bf[j++] = lower_32_bits(bits);
		bf[j++] = upper_32_bits(bits);
		__be64 *bits = (__be64 *)&bf[j];
		*bits = cpu_to_be64(op->byte_count << 3);
		j += 2;
	} else {
		__le64 bits = op->byte_count << 3;
		bf[j++] = lower_32_bits(bits);
		bf[j++] = upper_32_bits(bits);
		__le64 *bits = (__le64 *)&bf[j];
		*bits = cpu_to_le64(op->byte_count << 3);
		j += 2;
	}
	writesl(ss->base + SS_RXFIFO, bf, j);

@@ -483,7 +484,7 @@ hash_final:
		}
	} else {
		for (i = 0; i < 4; i++) {
			v = readl(ss->base + SS_MD0 + i * 4);
			v = cpu_to_le32(readl(ss->base + SS_MD0 + i * 4));
			memcpy(areq->result + i * 4, &v, 4);
		}
	}