For easy to read/understand, Rename function/macro name.
Modify variable type
For register access variable/function, modify to u32.
For not register access variable/function, modify to int.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
---
drivers/net/can/pch_can.c | 334 ++++++++++++++++++++------------------------
1 files changed, 152 insertions(+), 182 deletions(-)
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index fa47707..5b7a392 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -69,7 +69,6 @@
#define PCH_REC 0x00007f00
#define PCH_TEC 0x000000ff
-
#define PCH_TX_OK BIT(3)
#define PCH_RX_OK BIT(4)
#define PCH_EPASSIV BIT(5)
@@ -77,11 +76,12 @@
#define PCH_BUS_OFF BIT(7)
/* bit position of certain controller bits. */
-#define PCH_BIT_BRP 0
-#define PCH_BIT_SJW 6
-#define PCH_BIT_TSEG1 8
-#define PCH_BIT_TSEG2 12
-#define PCH_BIT_BRPE_BRPE 6
+#define PCH_BIT_BRP_SHIFT 0
+#define PCH_BIT_SJW_SHIFT 6
+#define PCH_BIT_TSEG1_SHIFT 8
+#define PCH_BIT_TSEG2_SHIFT 12
+#define PCH_BIT_BRPE_BRPE_SHIFT 6
+
#define PCH_MSK_BITT_BRP 0x3f
#define PCH_MSK_BRPE_BRPE 0x3c0
#define PCH_MSK_CTRL_IE_SIE_EIE 0x07
@@ -101,6 +101,10 @@
#define PCH_FIFO_THRESH 16
+/* TxRqst2 show status of MsgObjNo.17~32 */
+#define PCH_TREQ2_TX_MASK (((1 << PCH_TX_OBJ_NUM) - 1) <<\
+ (PCH_RX_OBJ_END - 16))
+
enum pch_ifreg {
PCH_RX_IFREG,
PCH_TX_IFREG,
@@ -165,19 +169,16 @@ struct pch_can_regs {
struct pch_can_priv {
struct can_priv can;
- unsigned int can_num;
struct pci_dev *dev;
- int tx_enable[PCH_TX_OBJ_END];
- int rx_enable[PCH_TX_OBJ_END];
- int rx_link[PCH_TX_OBJ_END];
- unsigned int int_enables;
- unsigned int int_stat;
+ u32 tx_enable[PCH_TX_OBJ_END];
+ u32 rx_enable[PCH_TX_OBJ_END];
+ u32 rx_link[PCH_TX_OBJ_END];
+ u32 int_enables;
struct net_device *ndev;
- unsigned int msg_obj[PCH_TX_OBJ_END];
struct pch_can_regs __iomem *regs;
struct ...
