linux-kernel - [PATCH can-next v4 17/20] can: rockchip_canfd: enable full TX-FIFO depth of 2

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Message-Id: <20240903-rockchip-canfd-v4-17-1dc3f3f32856@pengutronix.de>
Date: Tue, 03 Sep 2024 11:21:59 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: kernel@...gutronix.de, Alibek Omarov <a1ba.omarov@...il.com>, 
 Vincent Mailhol <mailhol.vincent@...adoo.fr>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Elaine Zhang <zhangqing@...k-chips.com>, 
 David Jander <david.jander@...tonic.nl>
Cc: Simon Horman <horms@...nel.org>, linux-can@...r.kernel.org, 
 netdev@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH can-next v4 17/20] can: rockchip_canfd: enable full TX-FIFO
 depth of 2

The previous commit prepared the TX path to make use of the full
TX-FIFO depth as much as possible. Increase the available TX-FIFO
depth to the hardware maximum of 2.

Tested-by: Alibek Omarov <a1ba.omarov@...il.com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/rockchip/rockchip_canfd.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/rockchip/rockchip_canfd.h b/drivers/net/can/rockchip/rockchip_canfd.h
index 37d90400429f..6be2865ec95a 100644
--- a/drivers/net/can/rockchip/rockchip_canfd.h
+++ b/drivers/net/can/rockchip/rockchip_canfd.h
@@ -288,7 +288,7 @@

 #define DEVICE_NAME "rockchip_canfd"
 #define RKCANFD_NAPI_WEIGHT 32
-#define RKCANFD_TXFIFO_DEPTH 1
+#define RKCANFD_TXFIFO_DEPTH 2
 #define RKCANFD_TX_STOP_THRESHOLD 1
 #define RKCANFD_TX_START_THRESHOLD 1

-- 
2.45.2