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Commit 2bd3bc4e authored by Alexander Stein's avatar Alexander Stein Committed by Marc Kleine-Budde
Browse files

can: c_can: Set reserved bit in IFx_MASK2 to 1 on write 



According to C_CAN documentation, the reserved bit in IFx_MASK2 register is
fixed 1.

Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: default avatarAlexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 66555e92

drivers/net/can/c_can/c_can.c

+5 −1
Original line number Diff line number Diff line
@@ -488,8 +488,12 @@ static void c_can_setup_receive_object(struct net_device *dev, int iface, 


	priv->write_reg(priv, C_CAN_IFACE(MASK1_REG, iface),

			IFX_WRITE_LOW_16BIT(mask));



	/* According to C_CAN documentation, the reserved bit

	 * in IFx_MASK2 register is fixed 1

	 */

	priv->write_reg(priv, C_CAN_IFACE(MASK2_REG, iface),

			IFX_WRITE_HIGH_16BIT(mask));

			IFX_WRITE_HIGH_16BIT(mask) | BIT(13));



	priv->write_reg(priv, C_CAN_IFACE(ARB1_REG, iface),

			IFX_WRITE_LOW_16BIT(id));