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authorPaul Gortmaker <paul.gortmaker@windriver.com>2012-03-08 19:12:10 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-03-09 12:47:56 -0800
commit0d263a264c4b8376ccf33248f6fac873310e5e05 (patch)
treebb88e8c19f1cc419a5794b263d2abadad329935a /drivers/tty
parent3f0ab32753b49ae7afc5b69e3f23152d92aa1f85 (diff)
downloadblackbird-op-linux-0d263a264c4b8376ccf33248f6fac873310e5e05.tar.gz
blackbird-op-linux-0d263a264c4b8376ccf33248f6fac873310e5e05.zip
serial: delete useless void casts in 8250.c
These might have worked some magic with an ancient gcc back in 1992, but "objdump --disassemble" on gcc 4.6 on x86-64 shows identical output before and after this commit. Send the casts and their hysterical rasins to the bitbucket. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/8250/8250.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c
index 4009e2438e40..6a71716111ae 100644
--- a/drivers/tty/serial/8250/8250.c
+++ b/drivers/tty/serial/8250/8250.c
@@ -1218,7 +1218,7 @@ static void autoconfig_irq(struct uart_8250_port *up)
ICP = (up->port.iobase & 0xfe0) | 0x1f;
save_ICP = inb_p(ICP);
outb_p(0x80, ICP);
- (void) inb_p(ICP);
+ inb_p(ICP);
}
/* forget possible initially masked and pending IRQ */
@@ -1238,10 +1238,10 @@ static void autoconfig_irq(struct uart_8250_port *up)
UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2);
}
serial_out(up, UART_IER, 0x0f); /* enable all intrs */
- (void)serial_in(up, UART_LSR);
- (void)serial_in(up, UART_RX);
- (void)serial_in(up, UART_IIR);
- (void)serial_in(up, UART_MSR);
+ serial_in(up, UART_LSR);
+ serial_in(up, UART_RX);
+ serial_in(up, UART_IIR);
+ serial_in(up, UART_MSR);
serial_out(up, UART_TX, 0xFF);
udelay(20);
irq = probe_irq_off(irqs);
@@ -1973,10 +1973,10 @@ static int serial8250_startup(struct uart_port *port)
/*
* Clear the interrupt registers.
*/
- (void) serial_in(up, UART_LSR);
- (void) serial_in(up, UART_RX);
- (void) serial_in(up, UART_IIR);
- (void) serial_in(up, UART_MSR);
+ serial_in(up, UART_LSR);
+ serial_in(up, UART_RX);
+ serial_in(up, UART_IIR);
+ serial_in(up, UART_MSR);
/*
* At this point, there's no way the LSR could still be 0xff;
@@ -2152,7 +2152,7 @@ dont_test_tx_en:
*/
icp = (up->port.iobase & 0xfe0) | 0x01f;
outb_p(0x80, icp);
- (void) inb_p(icp);
+ inb_p(icp);
}
return 0;
@@ -2198,7 +2198,7 @@ static void serial8250_shutdown(struct uart_port *port)
* Read data port to reset things, and then unlink from
* the IRQ chain.
*/
- (void) serial_in(up, UART_RX);
+ serial_in(up, UART_RX);
del_timer_sync(&up->timer);
up->timer.function = serial8250_timeout;
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