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Date: Fri, 9 Jul 2010 15:50:35 +0200
From: Christoph Egger <siccegge@...fau.de>
To: Sonic Zhang <sonic.zhang@...log.com>,
Greg Kroah-Hartman <gregkh@...e.de>,
Mike Frysinger <vapier@...too.org>,
Graf Yang <graf.yang@...log.com>,
Andrew Morton <akpm@...ux-foundation.org>,
uclinux-dist-devel@...ckfin.uclinux.org,
linux-kernel@...r.kernel.org
Cc: vamos-dev@...informatik.uni-erlangen.de
Subject: [PATCH 09/11] Removing dead SERIAL_BFIN_{HARD_,}CTSRTS
SERIAL_BFIN_{HARD_,}CTSRTS doesn't exist in Kconfig, therefore
removing all references for it from the source code.
Signed-off-by: Christoph Egger <siccegge@...fau.de>
---
drivers/serial/bfin_5xx.c | 103 ---------------------------------------------
1 files changed, 0 insertions(+), 103 deletions(-)
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 96f7e74..2ec9e5c 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -82,53 +82,6 @@ static void bfin_serial_tx_chars(struct bfin_serial_port *uart);
static void bfin_serial_reset_irda(struct uart_port *port);
-#if defined(CONFIG_SERIAL_BFIN_CTSRTS) || \
- defined(CONFIG_SERIAL_BFIN_HARD_CTSRTS)
-static unsigned int bfin_serial_get_mctrl(struct uart_port *port)
-{
- struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
- if (uart->cts_pin < 0)
- return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
-
- /* CTS PIN is negative assertive. */
- if (UART_GET_CTS(uart))
- return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
- else
- return TIOCM_DSR | TIOCM_CAR;
-}
-
-static void bfin_serial_set_mctrl(struct uart_port *port, unsigned int mctrl)
-{
- struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
- if (uart->rts_pin < 0)
- return;
-
- /* RTS PIN is negative assertive. */
- if (mctrl & TIOCM_RTS)
- UART_ENABLE_RTS(uart);
- else
- UART_DISABLE_RTS(uart);
-}
-
-/*
- * Handle any change of modem status signal.
- */
-static irqreturn_t bfin_serial_mctrl_cts_int(int irq, void *dev_id)
-{
- struct bfin_serial_port *uart = dev_id;
- unsigned int status;
-
- status = bfin_serial_get_mctrl(&uart->port);
- uart_handle_cts_change(&uart->port, status & TIOCM_CTS);
-#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
- uart->scts = 1;
- UART_CLEAR_SCTS(uart);
- UART_CLEAR_IER(uart, EDSSI);
-#endif
-
- return IRQ_HANDLED;
-}
-#else
static unsigned int bfin_serial_get_mctrl(struct uart_port *port)
{
return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
@@ -137,7 +90,6 @@ static unsigned int bfin_serial_get_mctrl(struct uart_port *port)
static void bfin_serial_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
}
-#endif
/*
* interrupts are disabled on entry
@@ -727,35 +679,6 @@ static int bfin_serial_startup(struct uart_port *port)
# endif
#endif
-#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- if (uart->cts_pin >= 0) {
- if (request_irq(gpio_to_irq(uart->cts_pin),
- bfin_serial_mctrl_cts_int,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
- IRQF_DISABLED, "BFIN_UART_CTS", uart)) {
- uart->cts_pin = -1;
- pr_info("Unable to attach BlackFin UART CTS interrupt.\
- So, disable it.\n");
- }
- }
- if (uart->rts_pin >= 0) {
- gpio_request(uart->rts_pin, DRIVER_NAME);
- gpio_direction_output(uart->rts_pin, 0);
- }
-#endif
-#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
- if (request_irq(uart->status_irq,
- bfin_serial_mctrl_cts_int,
- IRQF_DISABLED, "BFIN_UART_MODEM_STATUS", uart)) {
- pr_info("Unable to attach BlackFin UART Modem \
- Status interrupt.\n");
- }
-
- /* CTS RTS PINs are negative assertive. */
- UART_PUT_MCR(uart, ACTS);
- UART_SET_IER(uart, EDSSI);
-#endif
-
UART_SET_IER(uart, ERBFI);
return 0;
}
@@ -790,16 +713,6 @@ static void bfin_serial_shutdown(struct uart_port *port)
free_irq(uart->port.irq+1, uart);
#endif
-#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- if (uart->cts_pin >= 0)
- free_irq(gpio_to_irq(uart->cts_pin), uart);
- if (uart->rts_pin >= 0)
- gpio_free(uart->rts_pin);
-#endif
-#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
- if (UART_GET_IER(uart) && EDSSI)
- free_irq(uart->status_irq, uart);
-#endif
}
static void
@@ -1134,13 +1047,6 @@ static void __init bfin_serial_init_ports(void)
bfin_serial_resource[i].uart_rx_dma_channel;
init_timer(&(bfin_serial_ports[i].rx_dma_timer));
#endif
-#if defined(CONFIG_SERIAL_BFIN_CTSRTS) || \
- defined(CONFIG_SERIAL_BFIN_HARD_CTSRTS)
- bfin_serial_ports[i].cts_pin =
- bfin_serial_resource[i].uart_cts_pin;
- bfin_serial_ports[i].rts_pin =
- bfin_serial_resource[i].uart_rts_pin;
-#endif
}
}
@@ -1198,12 +1104,7 @@ bfin_serial_console_setup(struct console *co, char *options)
int baud = 57600;
int bits = 8;
int parity = 'n';
-# if defined(CONFIG_SERIAL_BFIN_CTSRTS) || \
- defined(CONFIG_SERIAL_BFIN_HARD_CTSRTS)
- int flow = 'r';
-# else
int flow = 'n';
-# endif
/*
* Check whether an invalid uart number has been specified, and
@@ -1401,10 +1302,6 @@ static int bfin_serial_remove(struct platform_device *dev)
continue;
uart_remove_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port);
bfin_serial_ports[i].port.dev = NULL;
-#if defined(CONFIG_SERIAL_BFIN_CTSRTS)
- gpio_free(bfin_serial_ports[i].cts_pin);
- gpio_free(bfin_serial_ports[i].rts_pin);
-#endif
}
return 0;
--
1.7.0.4
--
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