hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[POWERPC] CPM_UART: Fix non-console initialisation 

The cpm_uart driver is initialised incorrectly, if there is a frame buffer
console, and CONFIG_SERIAL_CPM_CONSOLE is defined. The driver fails to
call cpm_uart_init_portdesc() and set_lineif() in this case.

Signed-off-by: Kalle Pokki <kalle.pokki@iki.fi>
Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Kalle Pokki 2006-11-01 15:08:13 +02:00 committed by Paul Mackerras
parent 599540a855
commit 0091cf5a6a
3 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/serial/cpm_uart/cpm_uart.h
View File

@ -88,7 +88,7 @@ extern struct uart_cpm_port cpm_uart_ports[UART_NR];
/* these are located in their respective files */ /* these are located in their respective files */
void cpm_line_cr_cmd(int line, int cmd); void cpm_line_cr_cmd(int line, int cmd);
int cpm_uart_init_portdesc(void); int __init cpm_uart_init_portdesc(void);
int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con); int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con);
void cpm_uart_freebuf(struct uart_cpm_port *pinfo); void cpm_uart_freebuf(struct uart_cpm_port *pinfo);

11
drivers/serial/cpm_uart/cpm_uart_core.c
View File

@ -1349,11 +1349,10 @@ static int cpm_uart_init(void) {
pr_info("cpm_uart: WARNING: no UART devices found on platform bus!\n"); pr_info("cpm_uart: WARNING: no UART devices found on platform bus!\n");
pr_info( pr_info(
"cpm_uart: the driver will guess configuration, but this mode is no longer supported.\n"); "cpm_uart: the driver will guess configuration, but this mode is no longer supported.\n");
#ifndef CONFIG_SERIAL_CPM_CONSOLE
ret = cpm_uart_init_portdesc(); /* Don't run this again, if the console driver did it already */
if (ret) if (cpm_uart_nr == 0)
return ret; cpm_uart_init_portdesc();
#endif
cpm_reg.nr = cpm_uart_nr; cpm_reg.nr = cpm_uart_nr;
ret = uart_register_driver(&cpm_reg); ret = uart_register_driver(&cpm_reg);
@ -1365,6 +1364,8 @@ static int cpm_uart_init(void) {
int con = cpm_uart_port_map[i]; int con = cpm_uart_port_map[i];
cpm_uart_ports[con].port.line = i; cpm_uart_ports[con].port.line = i;
cpm_uart_ports[con].port.flags = UPF_BOOT_AUTOCONF; cpm_uart_ports[con].port.flags = UPF_BOOT_AUTOCONF;
if (cpm_uart_ports[con].set_lineif)
cpm_uart_ports[con].set_lineif(&cpm_uart_ports[con]);
uart_add_one_port(&cpm_reg, &cpm_uart_ports[con].port); uart_add_one_port(&cpm_reg, &cpm_uart_ports[con].port);
} }

2
drivers/serial/cpm_uart/cpm_uart_cpm1.c
View File

@ -184,7 +184,7 @@ void cpm_uart_freebuf(struct uart_cpm_port *pinfo)
} }
/* Setup any dynamic params in the uart desc */ /* Setup any dynamic params in the uart desc */
int cpm_uart_init_portdesc(void) int __init cpm_uart_init_portdesc(void)
{ {
pr_debug("CPM uart[-]:init portdesc\n"); pr_debug("CPM uart[-]:init portdesc\n");