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Subject[PATCH 3/6] net: can: xilinx_can: Add cantype parameter in xcan_devtype_data struct
Date
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@xilinx.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
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