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-rw-r--r--drivers/serial/21285.c2
-rw-r--r--drivers/serial/Kconfig4
-rw-r--r--drivers/serial/clps711x.c2
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c14
-rw-r--r--drivers/serial/imx.c2
-rw-r--r--drivers/serial/mcf.c2
-rw-r--r--drivers/serial/mpc52xx_uart.c40
-rw-r--r--drivers/serial/pxa.c30
-rw-r--r--drivers/serial/sa1100.c2
-rw-r--r--drivers/serial/serial_core.c76
-rw-r--r--drivers/serial/sh-sci.c12
-rw-r--r--drivers/serial/sh-sci.h15
-rw-r--r--drivers/serial/sunzilog.c4
13 files changed, 98 insertions, 107 deletions
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index f31c6698419c..cb6d85d7ff43 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -14,8 +14,8 @@
#include <linux/tty_flip.h>
#include <linux/serial_core.h>
#include <linux/serial.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/hardware/dec21285.h>
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 7d7f576da202..aa9d3a4c2d50 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -628,7 +628,7 @@ config SERIAL_MPSC_CONSOLE
config SERIAL_PXA
bool "PXA serial port support"
- depends on ARM && ARCH_PXA
+ depends on ARCH_PXA || ARCH_MMP
select SERIAL_CORE
help
If you have a machine based on an Intel XScale PXA2xx CPU you
@@ -1374,7 +1374,7 @@ config SERIAL_BFIN_SPORT
depends on BLACKFIN && EXPERIMENTAL
select SERIAL_CORE
help
- Enble support SPORT emulate UART on Blackfin series.
+ Enable SPORT emulate UART on Blackfin series.
To compile this driver as a module, choose M here: the
module will be called bfin_sport_uart.
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c
index 459f3420a429..80e76426131d 100644
--- a/drivers/serial/clps711x.c
+++ b/drivers/serial/clps711x.c
@@ -38,9 +38,9 @@
#include <linux/tty_flip.h>
#include <linux/serial_core.h>
#include <linux/serial.h>
+#include <linux/io.h>
#include <mach/hardware.h>
-#include <asm/io.h>
#include <asm/irq.h>
#include <asm/hardware/clps7111.h>
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index bde4b4b0b80f..5c6ef51da274 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -406,6 +406,18 @@ static int cpm_uart_startup(struct uart_port *port)
pr_debug("CPM uart[%d]:startup\n", port->line);
+ /* If the port is not the console, make sure rx is disabled. */
+ if (!(pinfo->flags & FLAG_CONSOLE)) {
+ /* Disable UART rx */
+ if (IS_SMC(pinfo)) {
+ clrbits16(&pinfo->smcp->smc_smcmr, SMCMR_REN);
+ clrbits8(&pinfo->smcp->smc_smcm, SMCM_RX);
+ } else {
+ clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR);
+ clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX);
+ }
+ cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
+ }
/* Install interrupt handler. */
retval = request_irq(port->irq, cpm_uart_int, 0, "cpm_uart", port);
if (retval)
@@ -420,8 +432,6 @@ static int cpm_uart_startup(struct uart_port *port)
setbits32(&pinfo->sccp->scc_gsmrl, (SCC_GSMRL_ENR | SCC_GSMRL_ENT));
}
- if (!(pinfo->flags & FLAG_CONSOLE))
- cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
return 0;
}
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index a50954612b60..9f460b175c50 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -1129,7 +1129,7 @@ static int serial_imx_probe(struct platform_device *pdev)
sport->timer.function = imx_timeout;
sport->timer.data = (unsigned long)sport;
- sport->clk = clk_get(&pdev->dev, "uart_clk");
+ sport->clk = clk_get(&pdev->dev, "uart");
if (IS_ERR(sport->clk)) {
ret = PTR_ERR(sport->clk);
goto unmap;
diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index 56841fe5f483..0eefb07bebaf 100644
--- a/drivers/serial/mcf.c
+++ b/drivers/serial/mcf.c
@@ -513,7 +513,7 @@ static int __init mcf_console_setup(struct console *co, char *options)
int parity = 'n';
int flow = 'n';
- if ((co->index >= 0) && (co->index <= MCF_MAXPORTS))
+ if ((co->index < 0) || (co->index >= MCF_MAXPORTS))
co->index = 0;
port = &mcf_ports[co->index].port;
if (port->membase == 0)
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 0c3a2ab1612c..7f72f8ceaa6f 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -50,8 +50,8 @@
/* OF Platform device Usage :
*
* This driver is only used for PSCs configured in uart mode. The device
- * tree will have a node for each PSC in uart mode w/ device_type = "serial"
- * and "mpc52xx-psc-uart" in the compatible string
+ * tree will have a node for each PSC with "mpc52xx-psc-uart" in the compatible
+ * list.
*
* By default, PSC devices are enumerated in the order they are found. However
* a particular PSC number can be forces by adding 'device_no = <port#>'
@@ -522,7 +522,7 @@ mpc52xx_uart_startup(struct uart_port *port)
/* Request IRQ */
ret = request_irq(port->irq, mpc52xx_uart_int,
- IRQF_DISABLED | IRQF_SAMPLE_RANDOM | IRQF_SHARED,
+ IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
"mpc52xx_psc_uart", port);
if (ret)
return ret;
@@ -1212,30 +1212,18 @@ mpc52xx_uart_of_resume(struct of_device *op)
#endif
static void
-mpc52xx_uart_of_assign(struct device_node *np, int idx)
+mpc52xx_uart_of_assign(struct device_node *np)
{
- int free_idx = -1;
int i;
- /* Find the first free node */
+ /* Find the first free PSC number */
for (i = 0; i < MPC52xx_PSC_MAXNUM; i++) {
if (mpc52xx_uart_nodes[i] == NULL) {
- free_idx = i;
- break;
+ of_node_get(np);
+ mpc52xx_uart_nodes[i] = np;
+ return;
}
}
-
- if ((idx < 0) || (idx >= MPC52xx_PSC_MAXNUM))
- idx = free_idx;
-
- if (idx < 0)
- return; /* No free slot; abort */
-
- of_node_get(np);
- /* If the slot is already occupied, then swap slots */
- if (mpc52xx_uart_nodes[idx] && (free_idx != -1))
- mpc52xx_uart_nodes[free_idx] = mpc52xx_uart_nodes[idx];
- mpc52xx_uart_nodes[idx] = np;
}
static void
@@ -1243,23 +1231,17 @@ mpc52xx_uart_of_enumerate(void)
{
static int enum_done;
struct device_node *np;
- const unsigned int *devno;
const struct of_device_id *match;
int i;
if (enum_done)
return;
- for_each_node_by_type(np, "serial") {
+ /* Assign index to each PSC in device tree */
+ for_each_matching_node(np, mpc52xx_uart_of_match) {
match = of_match_node(mpc52xx_uart_of_match, np);
- if (!match)
- continue;
-
psc_ops = match->data;
-
- /* Is a particular device number requested? */
- devno = of_get_property(np, "port-number", NULL);
- mpc52xx_uart_of_assign(np, devno ? *devno : -1);
+ mpc52xx_uart_of_assign(np);
}
enum_done = 1;
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index f6e3b86bb0be..a48a8a13d87b 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -43,13 +43,7 @@
#include <linux/tty_flip.h>
#include <linux/serial_core.h>
#include <linux/clk.h>
-
-#include <asm/io.h>
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <mach/pxa-regs.h>
-#include <mach/regs-uart.h>
-
+#include <linux/io.h>
struct uart_pxa_port {
struct uart_port port;
@@ -491,7 +485,7 @@ serial_pxa_set_termios(struct uart_port *port, struct ktermios *termios,
* Ensure the port will be enabled.
* This is required especially for serial console.
*/
- up->ier |= IER_UUE;
+ up->ier |= UART_IER_UUE;
/*
* Update the per-port timeout.
@@ -784,19 +778,15 @@ static int serial_pxa_probe(struct platform_device *dev)
sport->port.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF;
sport->port.uartclk = clk_get_rate(sport->clk);
- /*
- * Is it worth keeping this?
- */
- if (mmres->start == __PREG(FFUART))
- sport->name = "FFUART";
- else if (mmres->start == __PREG(BTUART))
- sport->name = "BTUART";
- else if (mmres->start == __PREG(STUART))
- sport->name = "STUART";
- else if (mmres->start == __PREG(HWUART))
- sport->name = "HWUART";
- else
+ switch (dev->id) {
+ case 0: sport->name = "FFUART"; break;
+ case 1: sport->name = "BTUART"; break;
+ case 2: sport->name = "STUART"; break;
+ case 3: sport->name = "HWUART"; break;
+ default:
sport->name = "???";
+ break;
+ }
sport->port.membase = ioremap(mmres->start, mmres->end - mmres->start + 1);
if (!sport->port.membase) {
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index b24a25ea6bc5..94530f01521e 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -36,8 +36,8 @@
#include <linux/tty_flip.h>
#include <linux/serial_core.h>
#include <linux/serial.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/irq.h>
#include <mach/hardware.h>
#include <asm/mach/serial_sa1100.h>
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 42f4e66fccaf..b0bb29d804ae 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -27,6 +27,8 @@
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/console.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/serial_core.h>
#include <linux/smp_lock.h>
#include <linux/device.h>
@@ -1682,20 +1684,20 @@ static const char *uart_type(struct uart_port *port)
#ifdef CONFIG_PROC_FS
-static int uart_line_info(char *buf, struct uart_driver *drv, int i)
+static void uart_line_info(struct seq_file *m, struct uart_driver *drv, int i)
{
struct uart_state *state = drv->state + i;
int pm_state;
struct uart_port *port = state->port;
char stat_buf[32];
unsigned int status;
- int mmio, ret;
+ int mmio;
if (!port)
- return 0;
+ return;
mmio = port->iotype >= UPIO_MEM;
- ret = sprintf(buf, "%d: uart:%s %s%08llX irq:%d",
+ seq_printf(m, "%d: uart:%s %s%08llX irq:%d",
port->line, uart_type(port),
mmio ? "mmio:0x" : "port:",
mmio ? (unsigned long long)port->mapbase
@@ -1703,8 +1705,8 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
port->irq);
if (port->type == PORT_UNKNOWN) {
- strcat(buf, "\n");
- return ret + 1;
+ seq_putc(m, '\n');
+ return;
}
if (capable(CAP_SYS_ADMIN)) {
@@ -1719,19 +1721,19 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
uart_change_pm(state, pm_state);
mutex_unlock(&state->mutex);
- ret += sprintf(buf + ret, " tx:%d rx:%d",
+ seq_printf(m, " tx:%d rx:%d",
port->icount.tx, port->icount.rx);
if (port->icount.frame)
- ret += sprintf(buf + ret, " fe:%d",
+ seq_printf(m, " fe:%d",
port->icount.frame);
if (port->icount.parity)
- ret += sprintf(buf + ret, " pe:%d",
+ seq_printf(m, " pe:%d",
port->icount.parity);
if (port->icount.brk)
- ret += sprintf(buf + ret, " brk:%d",
+ seq_printf(m, " brk:%d",
port->icount.brk);
if (port->icount.overrun)
- ret += sprintf(buf + ret, " oe:%d",
+ seq_printf(m, " oe:%d",
port->icount.overrun);
#define INFOBIT(bit, str) \
@@ -1753,45 +1755,39 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
STATBIT(TIOCM_RNG, "|RI");
if (stat_buf[0])
stat_buf[0] = ' ';
- strcat(stat_buf, "\n");
- ret += sprintf(buf + ret, stat_buf);
- } else {
- strcat(buf, "\n");
- ret++;
+ seq_puts(m, stat_buf);
}
+ seq_putc(m, '\n');
#undef STATBIT
#undef INFOBIT
- return ret;
}
-static int uart_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int uart_proc_show(struct seq_file *m, void *v)
{
- struct tty_driver *ttydrv = data;
+ struct tty_driver *ttydrv = m->private;
struct uart_driver *drv = ttydrv->driver_state;
- int i, len = 0, l;
- off_t begin = 0;
+ int i;
- len += sprintf(page, "serinfo:1.0 driver%s%s revision:%s\n",
+ seq_printf(m, "serinfo:1.0 driver%s%s revision:%s\n",
"", "", "");
- for (i = 0; i < drv->nr && len < PAGE_SIZE - 96; i++) {
- l = uart_line_info(page + len, drv, i);
- len += l;
- if (len + begin > off + count)
- goto done;
- if (len + begin < off) {
- begin += len;
- len = 0;
- }
- }
- *eof = 1;
- done:
- if (off >= len + begin)
- return 0;
- *start = page + (off - begin);
- return (count < begin + len - off) ? count : (begin + len - off);
+ for (i = 0; i < drv->nr; i++)
+ uart_line_info(m, drv, i);
+ return 0;
}
+
+static int uart_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, uart_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations uart_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = uart_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
#endif
#if defined(CONFIG_SERIAL_CORE_CONSOLE) || defined(CONFIG_CONSOLE_POLL)
@@ -2299,7 +2295,7 @@ static const struct tty_operations uart_ops = {
.break_ctl = uart_break_ctl,
.wait_until_sent= uart_wait_until_sent,
#ifdef CONFIG_PROC_FS
- .read_proc = uart_read_proc,
+ .proc_fops = &uart_proc_fops,
#endif
.tiocmget = uart_tiocmget,
.tiocmset = uart_tiocmset,
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 557b54ab2f25..dbf5357a77b3 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -139,7 +139,7 @@ static void sci_poll_put_char(struct uart_port *port, unsigned char c)
} while (!(status & SCxSR_TDxE(port)));
sci_in(port, SCxSR); /* Dummy read */
- sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port));
+ sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port) & ~SCxSR_TEND(port));
sci_out(port, SCxTDR, c);
}
#endif /* CONFIG_CONSOLE_POLL || CONFIG_SERIAL_SH_SCI_CONSOLE */
@@ -263,6 +263,7 @@ static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
#elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \
defined(CONFIG_CPU_SUBTYPE_SH7780) || \
defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7786) || \
defined(CONFIG_CPU_SUBTYPE_SHX3)
static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
{
@@ -284,7 +285,8 @@ static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
#if defined(CONFIG_CPU_SUBTYPE_SH7760) || \
defined(CONFIG_CPU_SUBTYPE_SH7780) || \
- defined(CONFIG_CPU_SUBTYPE_SH7785)
+ defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7786)
static inline int scif_txroom(struct uart_port *port)
{
return SCIF_TXROOM_MAX - (sci_in(port, SCTFDR) & 0xff);
@@ -1095,6 +1097,7 @@ static void serial_console_write(struct console *co, const char *s,
unsigned count)
{
struct uart_port *port = &serial_console_port->port;
+ unsigned short bits;
int i;
for (i = 0; i < count; i++) {
@@ -1103,6 +1106,11 @@ static void serial_console_write(struct console *co, const char *s,
sci_poll_put_char(port, *s++);
}
+
+ /* wait until fifo is empty and last bit has been transmitted */
+ bits = SCxSR_TDxE(port) | SCxSR_TEND(port);
+ while ((sci_in(port, SCxSR) & bits) != bits)
+ cpu_relax();
}
static int __init serial_console_setup(struct console *co, char *options)
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 022e89ffec1d..d0aa82d7fce0 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -1,6 +1,6 @@
#include <linux/serial_core.h>
#include <asm/io.h>
-#include <asm/gpio.h>
+#include <linux/gpio.h>
#if defined(CONFIG_H83007) || defined(CONFIG_H83068)
#include <asm/regs306x.h>
@@ -126,7 +126,8 @@
# define SCSPTR1 0xffe10024 /* 16 bit SCIF */
# define SCIF_ORER 0x0001 /* Overrun error bit */
# define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-#elif defined(CONFIG_CPU_SUBTYPE_SH7785)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7786)
# define SCSPTR0 0xffea0024 /* 16 bit SCIF */
# define SCSPTR1 0xffeb0024 /* 16 bit SCIF */
# define SCSPTR2 0xffec0024 /* 16 bit SCIF */
@@ -182,6 +183,7 @@
defined(CONFIG_CPU_SUBTYPE_SH7763) || \
defined(CONFIG_CPU_SUBTYPE_SH7780) || \
defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7786) || \
defined(CONFIG_CPU_SUBTYPE_SHX3)
#define SCI_CTRL_FLAGS_REIE 0x08 /* 7750 SCIF */
#else
@@ -413,7 +415,8 @@ SCIx_FNS(SCxRDR, 0x0a, 8, 0x14, 8, 0x0A, 8, 0x14, 8, 0x05, 8)
SCIF_FNS(SCFCR, 0x0c, 8, 0x18, 16)
#if defined(CONFIG_CPU_SUBTYPE_SH7760) || \
defined(CONFIG_CPU_SUBTYPE_SH7780) || \
- defined(CONFIG_CPU_SUBTYPE_SH7785)
+ defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7786)
SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16)
SCIF_FNS(SCTFDR, 0x0e, 16, 0x1C, 16)
SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16)
@@ -644,7 +647,8 @@ static inline int sci_rxd_in(struct uart_port *port)
return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
return 1;
}
-#elif defined(CONFIG_CPU_SUBTYPE_SH7785)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7786)
static inline int sci_rxd_in(struct uart_port *port)
{
if (port->mapbase == 0xffea0000)
@@ -746,7 +750,8 @@ static inline int sci_rxd_in(struct uart_port *port)
*/
#if defined(CONFIG_CPU_SUBTYPE_SH7780) || \
- defined(CONFIG_CPU_SUBTYPE_SH7785)
+ defined(CONFIG_CPU_SUBTYPE_SH7785) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7786)
#define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(16*bps)-1)
#elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \
defined(CONFIG_CPU_SUBTYPE_SH7720) || \
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 45a299f35617..e09d3cebb4fb 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -1438,12 +1438,12 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m
} else {
printk(KERN_INFO "%s: Keyboard at MMIO 0x%llx (irq = %d) "
"is a %s\n",
- op->dev.bus_id,
+ dev_name(&op->dev),
(unsigned long long) up[0].port.mapbase,
op->irqs[0], sunzilog_type(&up[0].port));
printk(KERN_INFO "%s: Mouse at MMIO 0x%llx (irq = %d) "
"is a %s\n",
- op->dev.bus_id,
+ dev_name(&op->dev),
(unsigned long long) up[1].port.mapbase,
op->irqs[0], sunzilog_type(&up[1].port));
kbm_inst++;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.