From: Ayush Sawal <ayush.sawal@chelsio.com>
Date: Fri, 13 Dec 2019 17:08:52 +0530
Subject: crypto: chelsio - calculating tx_channel_id as per the max number of
 channels
Patch-mainline: v5.6-rc1
Git-commit: 27896aff15d66c241a87402bea81dc03c9fb80bd
References: jsc#SLE-15129

chcr driver was not using the number of channels from lld and
assuming that there are always two channels available. With following
patch chcr will use number of channel as passed by cxgb4.

Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/crypto/chelsio/chcr_algo.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -1379,7 +1379,8 @@ static int chcr_device_init(struct chcr_
 		txq_perchan = ntxq / u_ctx->lldi.nchan;
 		spin_lock(&ctx->dev->lock_chcr_dev);
 		ctx->tx_chan_id = ctx->dev->tx_channel_id;
-		ctx->dev->tx_channel_id = !ctx->dev->tx_channel_id;
+		ctx->dev->tx_channel_id =
+			(ctx->dev->tx_channel_id + 1) %  u_ctx->lldi.nchan;
 		spin_unlock(&ctx->dev->lock_chcr_dev);
 		rxq_idx = ctx->tx_chan_id * rxq_perchan;
 		rxq_idx += id % rxq_perchan;