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serial: delete useless void casts in 8250.c

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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>
This commit is contained in:
Paul Gortmaker 2012-03-08 19:12:10 -05:00 committed by Greg Kroah-Hartman
parent 3f0ab32753
commit 0d263a264c
1 changed files with 11 additions and 11 deletions
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22
drivers/tty/serial/8250/8250.c
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@ -1218,7 +1218,7 @@ static void autoconfig_irq(struct uart_8250_port *up)
ICP = (up->port.iobase & 0xfe0) | 0x1f; ICP = (up->port.iobase & 0xfe0) | 0x1f;
save_ICP = inb_p(ICP); save_ICP = inb_p(ICP);
outb_p(0x80, ICP); outb_p(0x80, ICP);
(void) inb_p(ICP); inb_p(ICP);
} }
/* forget possible initially masked and pending IRQ */ /* 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); UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2);
} }
serial_out(up, UART_IER, 0x0f); /* enable all intrs */ serial_out(up, UART_IER, 0x0f); /* enable all intrs */
(void)serial_in(up, UART_LSR); serial_in(up, UART_LSR);
(void)serial_in(up, UART_RX); serial_in(up, UART_RX);
(void)serial_in(up, UART_IIR); serial_in(up, UART_IIR);
(void)serial_in(up, UART_MSR); serial_in(up, UART_MSR);
serial_out(up, UART_TX, 0xFF); serial_out(up, UART_TX, 0xFF);
udelay(20); udelay(20);
irq = probe_irq_off(irqs); irq = probe_irq_off(irqs);
@ -1973,10 +1973,10 @@ static int serial8250_startup(struct uart_port *port)
/* /*
* Clear the interrupt registers. * Clear the interrupt registers.
*/ */
(void) serial_in(up, UART_LSR); serial_in(up, UART_LSR);
(void) serial_in(up, UART_RX); serial_in(up, UART_RX);
(void) serial_in(up, UART_IIR); serial_in(up, UART_IIR);
(void) serial_in(up, UART_MSR); serial_in(up, UART_MSR);
/* /*
* At this point, there's no way the LSR could still be 0xff; * 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; icp = (up->port.iobase & 0xfe0) | 0x01f;
outb_p(0x80, icp); outb_p(0x80, icp);
(void) inb_p(icp); inb_p(icp);
} }
return 0; return 0;
@ -2198,7 +2198,7 @@ static void serial8250_shutdown(struct uart_port *port)
* Read data port to reset things, and then unlink from * Read data port to reset things, and then unlink from
* the IRQ chain. * the IRQ chain.
*/ */
(void) serial_in(up, UART_RX); serial_in(up, UART_RX);
del_timer_sync(&up->timer); del_timer_sync(&up->timer);
up->timer.function = serial8250_timeout; up->timer.function = serial8250_timeout;