On 02/10/2016 05:15 PM, Greg Kroah-Hartman wrote:

On Wed, Feb 10, 2016 at 03:29:37PM +0100, Vegard Nossum wrote:

quoted

drivers/usb/gadget/udc/net2272.c: In function ‘net2272_remove’:
drivers/usb/gadget/udc/net2272.c:2232:2: error: implicit declaration of function ‘iounmap’ [-Werror=implicit-function-declaration]
   iounmap(dev->base_addr);
   ^
drivers/usb/gadget/udc/net2272.c: In function ‘net2272_plat_probe’:
drivers/usb/gadget/udc/net2272.c:2650:2: error: implicit declaration of function ‘ioremap_nocache’ [-Werror=implicit-function-declaration]
   dev->base_addr = ioremap_nocache(base, len);
   ^
drivers/usb/gadget/udc/net2272.c:2650:17: warning: assignment makes pointer from integer without a cast [enabled by default]
   dev->base_addr = ioremap_nocache(base, len);
                  ^

Signed-off-by: Vegard Nossum <redacted>
---
  drivers/usb/gadget/udc/Kconfig | 1 +
  1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig
index 753c29b..ca19f6f 100644
--- a/drivers/usb/gadget/udc/Kconfig
+++ b/drivers/usb/gadget/udc/Kconfig

@@ -287,6 +287,7 @@ config USB_FSL_QE
  	   dynamically linked module called "fsl_qe_udc".

  config USB_NET2272
+	depends on HAS_IOMEM

Why not fix the root of the problem and provide the correct functions
for this when HAS_IOMEM is not enabled?

I don't think there is a "correct function" for when HAS_IOMEM is not
enabled. There is no IO address space on UML, so it doesn't make sense
to compile these drivers in the first place.

Or do you mean to use the dummy implementation from asm-generic/io.h? (I
have to admit I don't know how that would work.)


Vegard

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