Blackfin arch: update kgdb patch
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 5039e26..3f39e18 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -86,10 +86,8 @@
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
-#ifdef CONFIG_BF54x
while (!(UART_GET_LSR(uart) & TEMT))
continue;
-#endif
#ifdef CONFIG_SERIAL_BFIN_DMA
disable_dma(uart->tx_dma_channel);
@@ -128,8 +126,8 @@
ier = UART_GET_IER(uart);
ier |= ETBEI;
UART_PUT_IER(uart, ier);
- bfin_serial_tx_chars(uart);
#endif
+ bfin_serial_tx_chars(uart);
#endif
}
@@ -139,18 +137,21 @@
static void bfin_serial_stop_rx(struct uart_port *port)
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
+#ifdef CONFIG_KGDB_UART
+ if (uart->port.line != CONFIG_KGDB_UART_PORT) {
+#endif
#ifdef CONFIG_BF54x
UART_CLEAR_IER(uart, ERBFI);
#else
unsigned short ier;
ier = UART_GET_IER(uart);
-#ifdef CONFIG_KGDB_UART
- if (uart->port.line != CONFIG_KGDB_UART_PORT)
-#endif
ier &= ~ERBFI;
UART_PUT_IER(uart, ier);
#endif
+#ifdef CONFIG_KGDB_UART
+ }
+#endif
}
/*
@@ -175,8 +176,11 @@
while (!(UART_GET_LSR(uart) & THRE)) {
SSYNC();
}
+
+#ifndef CONFIG_BF54x
UART_PUT_LCR(uart, UART_GET_LCR(uart)&(~DLAB));
SSYNC();
+#endif
UART_PUT_CHAR(uart, (unsigned char)chr);
SSYNC();
}
@@ -194,8 +198,10 @@
while(!(UART_GET_LSR(uart) & DR)) {
SSYNC();
}
+#ifndef CONFIG_BF54x
UART_PUT_LCR(uart, UART_GET_LCR(uart)&(~DLAB));
SSYNC();
+#endif
chr = UART_GET_CHAR(uart);
SSYNC();
@@ -697,17 +703,19 @@
uart->rx_dma_timer.expires = jiffies + DMA_RX_FLUSH_JIFFIES;
add_timer(&(uart->rx_dma_timer));
#else
-# ifdef CONFIG_KGDB_UART
- if (uart->port.line != CONFIG_KGDB_UART_PORT && request_irq
-# else
- if (request_irq
-# endif
- (uart->port.irq, bfin_serial_rx_int, IRQF_DISABLED,
+ if (request_irq(uart->port.irq, bfin_serial_rx_int, IRQF_DISABLED,
"BFIN_UART_RX", uart)) {
+# ifdef CONFIG_KGDB_UART
+ if (uart->port.line != CONFIG_KGDB_UART_PORT) {
+# endif
printk(KERN_NOTICE "Unable to attach BlackFin UART RX interrupt\n");
return -EBUSY;
+# ifdef CONFIG_KGDB_UART
+ }
+# endif
}
+
if (request_irq
(uart->port.irq+1, bfin_serial_tx_int, IRQF_DISABLED,
"BFIN_UART_TX", uart)) {
@@ -1154,10 +1162,6 @@
port = 0;
bfin_serial_init_ports();
bfin_early_serial_console.index = port;
-#ifdef CONFIG_KGDB_UART
- kgdb_entry_state = 0;
- init_kgdb_uart();
-#endif
uart = &bfin_serial_ports[port];
t.c_cflag = cflag;
t.c_iflag = 0;
@@ -1255,7 +1259,7 @@
int ret;
#ifdef CONFIG_KGDB_UART
struct bfin_serial_port *uart = &bfin_serial_ports[CONFIG_KGDB_UART_PORT];
- struct termios t;
+ struct ktermios t;
#endif
pr_info("Serial: Blackfin serial driver\n");
@@ -1272,10 +1276,14 @@
}
#ifdef CONFIG_KGDB_UART
if (uart->port.cons->index != CONFIG_KGDB_UART_PORT) {
- request_irq(uart->port.irq, bfin_serial_int,
+ request_irq(uart->port.irq, bfin_serial_rx_int,
IRQF_DISABLED, "BFIN_UART_RX", uart);
pr_info("Request irq for kgdb uart port\n");
+#ifdef CONFIG_BF54x
+ UART_SET_IER(uart, ERBFI);
+#else
UART_PUT_IER(uart, UART_GET_IER(uart) | ERBFI);
+#endif
SSYNC();
t.c_cflag = CS8|B57600;
t.c_iflag = 0;