diff options
| author |   Paul Gortmaker <paul.gortmaker@windriver.com> | 2012-03-08 19:12:10 -0500 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-03-09 12:47:56 -0800 |
| commit | 0d263a264c4b8376ccf33248f6fac873310e5e05 (patch) | |
| tree | bb88e8c19f1cc419a5794b263d2abadad329935a /drivers/tty/serial/8250/8250.c | |
| parent | serial: make 8250's serial_in shareable to other drivers. (diff) | |
| download | linux-dev-0d263a264c4b8376ccf33248f6fac873310e5e05.tar.xz linux-dev-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/serial/8250/8250.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250.c | 22 |
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; |