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path: root/drivers/tty/serial/samsung.c
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Diffstat (limited to 'drivers/tty/serial/samsung.c')
-rw-r--r--drivers/tty/serial/samsung.c35
1 files changed, 29 insertions, 6 deletions
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 1f5505e7f90d..329337711bb0 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -53,6 +53,29 @@
#include "samsung.h"
+#if defined(CONFIG_SERIAL_SAMSUNG_DEBUG) && \
+ defined(CONFIG_DEBUG_LL) && \
+ !defined(MODULE)
+
+extern void printascii(const char *);
+
+__printf(1, 2)
+static void dbg(const char *fmt, ...)
+{
+ va_list va;
+ char buff[256];
+
+ va_start(va, fmt);
+ vscnprintf(buff, sizeof(buf), fmt, va);
+ va_end(va);
+
+ printascii(buff);
+}
+
+#else
+#define dbg(fmt, ...) do { if (0) no_printk(fmt, ##__VA_ARGS__); } while (0)
+#endif
+
/* UART name and device definitions */
#define S3C24XX_SERIAL_NAME "ttySAC"
@@ -468,8 +491,8 @@ static int s3c24xx_serial_startup(struct uart_port *port)
struct s3c24xx_uart_port *ourport = to_ourport(port);
int ret;
- dbg("s3c24xx_serial_startup: port=%p (%08lx,%p)\n",
- port->mapbase, port->membase);
+ dbg("s3c24xx_serial_startup: port=%p (%08llx,%p)\n",
+ port, (unsigned long long)port->mapbase, port->membase);
rx_enabled(port) = 1;
@@ -514,8 +537,8 @@ static int s3c64xx_serial_startup(struct uart_port *port)
struct s3c24xx_uart_port *ourport = to_ourport(port);
int ret;
- dbg("s3c64xx_serial_startup: port=%p (%08lx,%p)\n",
- port->mapbase, port->membase);
+ dbg("s3c64xx_serial_startup: port=%p (%08llx,%p)\n",
+ port, (unsigned long long)port->mapbase, port->membase);
wr_regl(port, S3C64XX_UINTM, 0xf);
@@ -1160,7 +1183,7 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
return -EINVAL;
}
- dbg("resource %p (%lx..%lx)\n", res, res->start, res->end);
+ dbg("resource %pR)\n", res);
port->membase = devm_ioremap(port->dev, res->start, resource_size(res));
if (!port->membase) {
@@ -1203,7 +1226,7 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
wr_regl(port, S3C64XX_UINTSP, 0xf);
}
- dbg("port: map=%08x, mem=%08x, irq=%d (%d,%d), clock=%ld\n",
+ dbg("port: map=%08x, mem=%p, irq=%d (%d,%d), clock=%u\n",
port->mapbase, port->membase, port->irq,
ourport->rx_irq, ourport->tx_irq, port->uartclk);