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serial: Add note about migration to driver SCCNXP 

This patch adds note about migration to driver SCCNXP in the code
of driver SC26XX and in MIPS SNI board initialization with example.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Alexander Shiyan 2012-08-25 19:24:20 +04:00 committed by Greg Kroah-Hartman
parent 1d65c0b126
commit be282059ac
2 changed files with 35 additions and 0 deletions
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32
arch/mips/sni/a20r.c
View File

@ -133,6 +133,38 @@ static struct platform_device sc26xx_pdev = {
}
};
#warning "Please try migrate to use new driver SCCNXP and report the status" \
"in the linux-serial mailing list."
/* The code bellow is a replacement of SC26XX to SCCNXP */
#if 0
#include <linux/platform_data/sccnxp.h>
static struct sccnxp_pdata sccnxp_data = {
.reg_shift = 2,
.frequency = 3686400,
.mctrl_cfg[0] = MCTRL_SIG(DTR_OP, LINE_OP7) |
MCTRL_SIG(RTS_OP, LINE_OP3) |
MCTRL_SIG(DSR_IP, LINE_IP5) |
MCTRL_SIG(DCD_IP, LINE_IP6),
.mctrl_cfg[1] = MCTRL_SIG(DTR_OP, LINE_OP2) |
MCTRL_SIG(RTS_OP, LINE_OP1) |
MCTRL_SIG(DSR_IP, LINE_IP0) |
MCTRL_SIG(CTS_IP, LINE_IP1) |
MCTRL_SIG(DCD_IP, LINE_IP2) |
MCTRL_SIG(RNG_IP, LINE_IP3),
};
static struct platform_device sc2681_pdev = {
.name = "sc2681",
.resource = sc2xxx_rsrc,
.num_resources = ARRAY_SIZE(sc2xxx_rsrc),
.dev = {
.platform_data = &sccnxp_data,
},
};
#endif
static u32 a20r_ack_hwint(void)
{
u32 status = read_c0_status();

3
drivers/tty/serial/sc26xx.c
View File

@ -22,6 +22,9 @@
#include <linux/irq.h>
#include <linux/io.h>
#warning "Please try migrate to use new driver SCCNXP and report the status" \
"in the linux-serial mailing list."
#if defined(CONFIG_MAGIC_SYSRQ)
#define SUPPORT_SYSRQ
#endif