Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 14/20] can: sun4i: fix loopback mode | Date | Tue, 31 Oct 2017 10:55:30 +0100 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Gerhard Bertelsmann <info@gerhard-bertelsmann.de>
commit 3a379f5b36ae039dfeb6f73316e47ab1af4945df upstream.
Fix loopback mode by setting the right flag and remove presume mode.
Signed-off-by: Gerhard Bertelsmann <info@gerhard-bertelsmann.de> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/net/can/sun4i_can.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/net/can/sun4i_can.c +++ b/drivers/net/can/sun4i_can.c @@ -342,7 +342,7 @@ static int sun4i_can_start(struct net_de /* enter the selected mode */ mod_reg_val = readl(priv->base + SUN4I_REG_MSEL_ADDR); - if (priv->can.ctrlmode & CAN_CTRLMODE_PRESUME_ACK) + if (priv->can.ctrlmode & CAN_CTRLMODE_LOOPBACK) mod_reg_val |= SUN4I_MSEL_LOOPBACK_MODE; else if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) mod_reg_val |= SUN4I_MSEL_LISTEN_ONLY_MODE; @@ -811,7 +811,6 @@ static int sun4ican_probe(struct platfor priv->can.ctrlmode_supported = CAN_CTRLMODE_BERR_REPORTING | CAN_CTRLMODE_LISTENONLY | CAN_CTRLMODE_LOOPBACK | - CAN_CTRLMODE_PRESUME_ACK | CAN_CTRLMODE_3_SAMPLES; priv->base = addr; priv->clk = clk;
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