Thread (6 messages) 6 messages, 3 authors, 2015-10-08
STALE3887d

[PATCH] serial: atmel: fix compiler warning on address cast

From: Andre Przywara <andre.przywara@arm.com>
Date: 2015-10-05 16:59:58
Also in: linux-arm-kernel, lkml
Subsystem: microchip at91 serial driver, the rest, tty layer and serial drivers · Maintainers: Richard Genoud, Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby

Turning on KVM and LPAE support on top of a multi_v7_defconfig will
produce a compiler warning in the Atmel serial driver:
drivers/tty/serial/atmel_serial.c: In function 'atmel_verify_port':
drivers/tty/serial/atmel_serial.c:2299:6: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
  if ((void *)port->mapbase != ser->iomem_base)
      ^

Fix that by using the cast on the right hand side instead, as similar
code already does in other drivers.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
---
 drivers/tty/serial/atmel_serial.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index cd30a45..28039ce 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -2296,7 +2296,7 @@ static int atmel_verify_port(struct uart_port *port, struct serial_struct *ser)
 		ret = -EINVAL;
 	if (port->uartclk / 16 != ser->baud_base)
 		ret = -EINVAL;
-	if ((void *)port->mapbase != ser->iomem_base)
+	if (port->mapbase != (unsigned long)ser->iomem_base)
 		ret = -EINVAL;
 	if (port->iobase != ser->port)
 		ret = -EINVAL;
-- 
2.5.1
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help