[PATCH 1/4] tty: serial: 8250: Cleanup MOXA configurations in 8250_pci.c

From: Crescent CY Hsieh
Date: Sun Oct 01 2023 - 21:58:01 EST


To enhance the maintainability of MOXA configurations in 8250_pci.c,
clean up the code to achieve simplicity, clarity and consistency.

Signed-off-by: Crescent CY Hsieh <crescentcy.hsieh@xxxxxxxx>
---
drivers/tty/serial/8250/8250_pci.c | 73 +++++++++++-------------------
1 file changed, 26 insertions(+), 47 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 62a9bd30b4db..a010790ccfcd 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1887,10 +1887,10 @@ pci_sunix_setup(struct serial_private *priv,
return setup_port(priv, port, bar, offset, 0);
}

-static int
-pci_moxa_setup(struct serial_private *priv,
- const struct pciserial_board *board,
- struct uart_8250_port *port, int idx)
+static int pci_moxa_setup(struct serial_private *priv,
+ const struct pciserial_board *board,
+ struct uart_8250_port *port,
+ int idx)
{
unsigned int bar = FL_GET_BASE(board->flags);
int offset;
@@ -1958,6 +1958,9 @@ pci_moxa_setup(struct serial_private *priv,
#define PCIE_DEVICE_ID_WCH_CH384_8S 0x3853
#define PCIE_DEVICE_ID_WCH_CH382_2S 0x3253

+/* MOXA */
+#define PCI_VENDOR_ID_MOXA 0x1393
+/* MOXA PCIe */
#define PCI_DEVICE_ID_MOXA_CP102E 0x1024
#define PCI_DEVICE_ID_MOXA_CP102EL 0x1025
#define PCI_DEVICE_ID_MOXA_CP104EL_A 0x1045
@@ -2854,9 +2857,9 @@ enum pci_board_num_t {
pbn_titan_2_4000000,
pbn_titan_4_4000000,
pbn_titan_8_4000000,
- pbn_moxa8250_2p,
- pbn_moxa8250_4p,
- pbn_moxa8250_8p,
+ pbn_moxa_2,
+ pbn_moxa_4,
+ pbn_moxa_8,
};

/*
@@ -3628,19 +3631,19 @@ static struct pciserial_board pci_boards[] = {
.uart_offset = 0x200,
.first_offset = 0x1000,
},
- [pbn_moxa8250_2p] = {
+ [pbn_moxa_2] = {
.flags = FL_BASE1,
.num_ports = 2,
.base_baud = 921600,
.uart_offset = 0x200,
},
- [pbn_moxa8250_4p] = {
+ [pbn_moxa_4] = {
.flags = FL_BASE1,
.num_ports = 4,
.base_baud = 921600,
.uart_offset = 0x200,
},
- [pbn_moxa8250_8p] = {
+ [pbn_moxa_8] = {
.flags = FL_BASE1,
.num_ports = 8,
.base_baud = 921600,
@@ -5347,44 +5350,20 @@ static const struct pci_device_id serial_pci_tbl[] = {
pbn_ni8430_4 },

/*
- * MOXA
+ * MOXA PCIe
*/
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102E,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_2p },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102EL,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_2p },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP104EL_A,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_4p },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP114EL,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_4p },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP116E_A_A,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_8p },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP116E_A_B,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_8p },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP118EL_A,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_8p },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP118E_A_I,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_8p },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP132EL,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_2p },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP134EL_A,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_4p },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP138E_A,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_8p },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP168EL_A,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_moxa8250_8p },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102E), 0, 0, pbn_moxa_2 },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102EL), 0, 0, pbn_moxa_2 },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP104EL_A), 0, 0, pbn_moxa_4 },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP114EL), 0, 0, pbn_moxa_4 },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP116E_A_A), 0, 0, pbn_moxa_8 },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP116E_A_B), 0, 0, pbn_moxa_8 },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP118EL_A), 0, 0, pbn_moxa_8 },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP118E_A_I), 0, 0, pbn_moxa_8 },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP132EL), 0, 0, pbn_moxa_2 },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP134EL_A), 0, 0, pbn_moxa_4 },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP138E_A), 0, 0, pbn_moxa_8 },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP168EL_A), 0, 0, pbn_moxa_8 },

/*
* ADDI-DATA GmbH communication cards <info@xxxxxxxxxxxxx>
--
2.34.1