linux-kernel - [PATCH] drivers/net/can/Kconfig: Let CAN_AT91 depend on HAS

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Message-ID: <542D5AC6.4010404@gmail.com>
Date:	Thu, 02 Oct 2014 22:01:42 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	wg@...ndegger.com, mkl@...gutronix.de,
	Richard Weinberger <richard@....at>
CC:	linux-can@...r.kernel.org, netdev@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] drivers/net/can/Kconfig: Let CAN_AT91 depend on HAS_IOMEM

CAN_AT91 needs HAS_IOMEM, so depends on it. The related error (with
allmodconfig under um):

    CC [M]  drivers/net/can/at91_can.o
  drivers/net/can/at91_can.c: In function ‘at91_can_probe’:
  drivers/net/can/at91_can.c:1329:2: error: implicit declaration of function ‘ioremap_nocache’ [-Werror=implicit-function-declaration]
  addr = ioremap_nocache(res->start, resource_size(res));
    ^
  drivers/net/can/at91_can.c:1329:7: warning: assignment makes pointer from integer without a cast [enabled by default]
    addr = ioremap_nocache(res->start, resource_size(res));
         ^
  drivers/net/can/at91_can.c:1384:2: error: implicit declaration of function ‘iounmap’ [-Werror=implicit-function-declaration]
    iounmap(addr);
    ^

Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 drivers/net/can/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
index e78d6b3..98d73aa 100644
--- a/drivers/net/can/Kconfig
+++ b/drivers/net/can/Kconfig
@@ -65,7 +65,7 @@ config CAN_LEDS
 
 config CAN_AT91
 	tristate "Atmel AT91 onchip CAN controller"
-	depends on ARCH_AT91 || COMPILE_TEST
+	depends on (ARCH_AT91 || COMPILE_TEST) && HAS_IOMEM
 	---help---
 	  This is a driver for the SoC CAN controller in Atmel's AT91SAM9263
 	  and AT91SAM9X5 processors.
-- 
1.9.3
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