linux-kernel - [PATCH 1/3] soc: fsl: dpio: enable frame data cache stashing per software portal

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Message-ID: <20190223084816.28985-2-ioana.ciornei@nxp.com>
Date:   Sat, 23 Feb 2019 08:48:48 +0000
From:   Ioana Ciornei <ioana.ciornei@....com>
To:     Leo Li <leoyang.li@....com>
CC:     Roy Pledge <roy.pledge@....com>,
        Ioana Ciocoi Radulescu <ruxandra.radulescu@....com>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Horia Geanta <horia.geanta@....com>,
        "brouer@...hat.com" <brouer@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ioana Ciornei <ioana.ciornei@....com>
Subject: [PATCH 1/3] soc: fsl: dpio: enable frame data cache stashing per
 software portal

Enable cache stashing on the frame data dequeued using this software
portal. Also, enable dropping a stash request transaction when the
target request queue is almost full.

Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
---
 drivers/soc/fsl/dpio/qbman-portal.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/fsl/dpio/qbman-portal.c b/drivers/soc/fsl/dpio/qbman-portal.c
index 5a73397..d020135 100644
--- a/drivers/soc/fsl/dpio/qbman-portal.c
+++ b/drivers/soc/fsl/dpio/qbman-portal.c
@@ -169,9 +169,9 @@ struct qbman_swp *qbman_swp_init(const struct qbman_swp_desc *d)
 				3, /* RPM: Valid bit mode, RCR in array mode */
 				2, /* DCM: Discrete consumption ack mode */
 				3, /* EPM: Valid bit mode, EQCR in array mode */
-				0, /* mem stashing drop enable == FALSE */
+				1, /* mem stashing drop enable == TRUE */
 				1, /* mem stashing priority == TRUE */
-				0, /* mem stashing enable == FALSE */
+				1, /* mem stashing enable == TRUE */
 				1, /* dequeue stashing priority == TRUE */
 				0, /* dequeue stashing enable == FALSE */
 				0); /* EQCR_CI stashing priority == FALSE */
-- 
1.9.1