netdev - [PATCH 3/6] net: can: xilinx_can: Add cantype parameter in xcan_devtype

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Message-ID: <1552908766-26753-4-git-send-email-appana.durga.rao@xilinx.com>
Date:   Mon, 18 Mar 2019 17:02:43 +0530
From:   Appana Durga Kedareswara rao <appana.durga.rao@...inx.com>
To:     <wg@...ndegger.com>, <mkl@...gutronix.de>, <davem@...emloft.net>,
        <michal.simek@...inx.com>
CC:     <linux-can@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Appana Durga Kedareswara rao <appana.durga.rao@...inx.com>
Subject: [PATCH 3/6] net: can: xilinx_can: Add cantype parameter in xcan_devtype_data struct

To differentiate between different CAN IP's this patch adds
cantype enum variable in the xcan_devtype_data structure

Signed-off-by: Appana Durga Kedareswara rao <appana.durga.rao@...inx.com>
---
 drivers/net/can/xilinx_can.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index 22569ef..b45ece9 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -157,7 +157,15 @@ enum xcan_reg {
 #define XCAN_FLAG_RX_FIFO_MULTI	0x0010
 #define XCAN_FLAG_CANFD_2	0x0020
 
+enum xcan_ip_type {
+	XAXI_CAN = 0,
+	XZYNQ_CANPS,
+	XAXI_CANFD,
+	XAXI_CANFD_2_0,
+};
+
 struct xcan_devtype_data {
+	enum xcan_ip_type cantype;
 	unsigned int flags;
 	const struct can_bittiming_const *bittiming_const;
 	const char *bus_clk_name;
@@ -1428,6 +1436,7 @@ static const struct dev_pm_ops xcan_dev_pm_ops = {
 };
 
 static const struct xcan_devtype_data xcan_zynq_data = {
+	.cantype = XZYNQ_CANPS,
 	.flags = XCAN_FLAG_TXFEMP,
 	.bittiming_const = &xcan_bittiming_const,
 	.btr_ts2_shift = XCAN_BTR_TS2_SHIFT,
@@ -1436,6 +1445,7 @@ static const struct xcan_devtype_data xcan_zynq_data = {
 };
 
 static const struct xcan_devtype_data xcan_axi_data = {
+	.cantype = XAXI_CAN,
 	.flags = XCAN_FLAG_TXFEMP,
 	.bittiming_const = &xcan_bittiming_const,
 	.btr_ts2_shift = XCAN_BTR_TS2_SHIFT,
@@ -1444,6 +1454,7 @@ static const struct xcan_devtype_data xcan_axi_data = {
 };
 
 static const struct xcan_devtype_data xcan_canfd_data = {
+	.cantype = XAXI_CANFD,
 	.flags = XCAN_FLAG_EXT_FILTERS |
 		 XCAN_FLAG_RXMNF |
 		 XCAN_FLAG_TX_MAILBOXES |
@@ -1455,6 +1466,7 @@ static const struct xcan_devtype_data xcan_canfd_data = {
 };
 
 static const struct xcan_devtype_data xcan_canfd2_data = {
+	.cantype = XAXI_CANFD_2_0,
 	.flags = XCAN_FLAG_EXT_FILTERS |
 		 XCAN_FLAG_RXMNF |
 		 XCAN_FLAG_TX_MAILBOXES |
-- 
2.7.4