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8250: three way resolve of the 8250 diffs 

This resolves the differences between the original 8250 patch, the revised 8250 patch
and the independant clean up of the octeon driver (to use platform devices properly yay!)

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Cox 2012-07-17 17:06:20 +01:00 committed by Greg Kroah-Hartman
parent 9833facf90
commit ce7240e445
7 changed files with 66 additions and 59 deletions
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16
drivers/char/mwave/mwavedd.c
View File

@ -430,7 +430,7 @@ static ssize_t mwave_write(struct file *file, const char __user *buf,
static int register_serial_portandirq(unsigned int port, int irq)
{
struct uart_port uart;
struct uart_8250_port uart;
switch ( port ) {
case 0x3f8:
@ -462,14 +462,14 @@ static int register_serial_portandirq(unsigned int port, int irq)
} /* switch */
/* irq is okay */
memset(&uart, 0, sizeof(struct uart_port));
memset(&uart, 0, sizeof(uart));
uart.uartclk = 1843200;
uart.iobase = port;
uart.irq = irq;
uart.iotype = UPIO_PORT;
uart.flags = UPF_SHARE_IRQ;
return serial8250_register_port(&uart);
uart.port.uartclk = 1843200;
uart.port.iobase = port;
uart.port.irq = irq;
uart.port.iotype = UPIO_PORT;
uart.port.flags = UPF_SHARE_IRQ;
return serial8250_register_8250_port(&uart);
}

16
drivers/misc/ibmasm/uart.c
View File

@ -33,7 +33,7 @@
void ibmasm_register_uart(struct service_processor *sp)
{
struct uart_port uport;
struct uart_8250_port uart;
void __iomem *iomem_base;
iomem_base = sp->base_address + SCOUT_COM_B_BASE;
@ -47,14 +47,14 @@ void ibmasm_register_uart(struct service_processor *sp)
return;
}
memset(&uport, 0, sizeof(struct uart_port));
uport.irq = sp->irq;
uport.uartclk = 3686400;
uport.flags = UPF_SHARE_IRQ;
uport.iotype = UPIO_MEM;
uport.membase = iomem_base;
memset(&uart, 0, sizeof(uart));
uart.port.irq = sp->irq;
uart.port.uartclk = 3686400;
uart.port.flags = UPF_SHARE_IRQ;
uart.port.iotype = UPIO_MEM;
uart.port.membase = iomem_base;
sp->serial_line = serial8250_register_port(&uport);
sp->serial_line = serial8250_register_8250_port(&uart);
if (sp->serial_line < 0) {
dev_err(sp->dev, "Failed to register serial port\n");
return;

20
drivers/net/ethernet/sgi/ioc3-eth.c
View File

@ -1147,15 +1147,17 @@ static void __devinit ioc3_8250_register(struct ioc3_uartregs __iomem *uart)
{
#define COSMISC_CONSTANT 6
struct uart_port port = {
.irq = 0,
.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 0,
.uartclk = (22000000 << 1) / COSMISC_CONSTANT,
struct uart_8250_port port = {
.port = {
.irq = 0,
.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 0,
.uartclk = (22000000 << 1) / COSMISC_CONSTANT,
.membase = (unsigned char __iomem *) uart,
.mapbase = (unsigned long) uart,
.membase = (unsigned char __iomem *) uart,
.mapbase = (unsigned long) uart,
}
};
unsigned char lcr;
@ -1164,7 +1166,7 @@ static void __devinit ioc3_8250_register(struct ioc3_uartregs __iomem *uart)
uart->iu_scr = COSMISC_CONSTANT,
uart->iu_lcr = lcr;
uart->iu_lcr;
serial8250_register_port(&port);
serial8250_register_8250_port(&port);
}
static void __devinit ioc3_serial_probe(struct pci_dev *pdev, struct ioc3 *ioc3)

30
drivers/tty/serial/8250/8250.h
View File

@ -13,36 +13,6 @@
#include <linux/serial_8250.h>
struct uart_8250_port {
struct uart_port port;
struct timer_list timer; /* "no irq" timer */
struct list_head list; /* ports on this IRQ */
unsigned short capabilities; /* port capabilities */
unsigned short bugs; /* port bugs */
unsigned int tx_loadsz; /* transmit fifo load size */
unsigned char acr;
unsigned char ier;
unsigned char lcr;
unsigned char mcr;
unsigned char mcr_mask; /* mask of user bits */
unsigned char mcr_force; /* mask of forced bits */
unsigned char cur_iotype; /* Running I/O type */
/*
* Some bits in registers are cleared on a read, so they must
* be saved whenever the register is read but the bits will not
* be immediately processed.
*/
#define LSR_SAVE_FLAGS UART_LSR_BRK_ERROR_BITS
unsigned char lsr_saved_flags;
#define MSR_SAVE_FLAGS UART_MSR_ANY_DELTA
unsigned char msr_saved_flags;
/* 8250 specific callbacks */
int (*dl_read)(struct uart_8250_port *);
void (*dl_write)(struct uart_8250_port *, int);
};
struct old_serial_port {
unsigned int uart;
unsigned int baud_base;

2
drivers/tty/serial/8250/8250_dw.c
View File

@ -141,7 +141,7 @@ static int __devinit dw8250_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "no clock-frequency property set\n");
return -EINVAL;
}
uart.uart.port.uartclk = val;
uart.port.uartclk = val;
data->line = serial8250_register_8250_port(&uart);
if (data->line < 0)

9
drivers/tty/serial/of_serial.c
View File

@ -144,8 +144,15 @@ static int __devinit of_platform_serial_probe(struct platform_device *ofdev)
switch (port_type) {
#ifdef CONFIG_SERIAL_8250
case PORT_8250 ... PORT_MAX_8250:
ret = serial8250_register_port(&port);
{
/* For now the of bindings don't support the extra
8250 specific bits */
struct uart_8250_port port8250;
memset(&port8250, 0, sizeof(port8250));
port8250.port = port;
ret = serial8250_register_8250_port(&port8250);
break;
}
#endif
#ifdef CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL
case PORT_NWPSERIAL:

32
include/linux/serial_8250.h
View File

@ -65,8 +65,36 @@ enum {
* platform device. Using these will make your driver
* dependent on the 8250 driver.
*/
struct uart_port;
struct uart_8250_port;
struct uart_8250_port {
struct uart_port port;
struct timer_list timer; /* "no irq" timer */
struct list_head list; /* ports on this IRQ */
unsigned short capabilities; /* port capabilities */
unsigned short bugs; /* port bugs */
unsigned int tx_loadsz; /* transmit fifo load size */
unsigned char acr;
unsigned char ier;
unsigned char lcr;
unsigned char mcr;
unsigned char mcr_mask; /* mask of user bits */
unsigned char mcr_force; /* mask of forced bits */
unsigned char cur_iotype; /* Running I/O type */
/*
* Some bits in registers are cleared on a read, so they must
* be saved whenever the register is read but the bits will not
* be immediately processed.
*/
#define LSR_SAVE_FLAGS UART_LSR_BRK_ERROR_BITS
unsigned char lsr_saved_flags;
#define MSR_SAVE_FLAGS UART_MSR_ANY_DELTA
unsigned char msr_saved_flags;
/* 8250 specific callbacks */
int (*dl_read)(struct uart_8250_port *);
void (*dl_write)(struct uart_8250_port *, int);
};
int serial8250_register_8250_port(struct uart_8250_port *);
void serial8250_unregister_port(int line);