linux-kernel - [PATCH net-next] net: macb: Increase halt timeout to accommodate 10Mbps link

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Message-ID: <20230316083050.2108-1-harini.katakam@amd.com>
Date:   Thu, 16 Mar 2023 14:00:50 +0530
From:   Harini Katakam <harini.katakam@....com>
To:     <nicolas.ferre@...rochip.com>, <davem@...emloft.net>,
        <claudiu.beznea@...rochip.com>, <kuba@...nel.org>,
        <edumazet@...gle.com>, <pabeni@...hat.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <michal.simek@....com>, <harinikatakamlinux@...il.com>,
        <harini.katakam@....com>
Subject: [PATCH net-next] net: macb: Increase halt timeout to accommodate 10Mbps link

From: Harini Katakam <harini.katakam@...inx.com>

Increase halt timeout to accommodate for 16K SRAM at 10Mbps rounded.

Signed-off-by: Harini Katakam <harini.katakam@...inx.com>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@...inx.com>
---
 drivers/net/ethernet/cadence/macb_main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 51c9fd6f68a4..96fd2aa9ee90 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -94,8 +94,7 @@ struct sifive_fu540_macb_mgmt {
 /* Graceful stop timeouts in us. We should allow up to
  * 1 frame time (10 Mbits/s, full-duplex, ignoring collisions)
  */
-#define MACB_HALT_TIMEOUT	1230
-
+#define MACB_HALT_TIMEOUT	14000
 #define MACB_PM_TIMEOUT  100 /* ms */
 
 #define MACB_MDIO_TIMEOUT	1000000 /* in usecs */
-- 
2.17.1