[PATCH] drivers/staging/comedi/Kconfig: Let COMEDI_II_PCI20KC depend on HAS_IOMEM

[Chen Gang]

COMEDI_II_PCI20KC needs HAS_IOMEM, so depend on it. The related error (
with allmodconfig under um):

    CC [M]  drivers/staging/comedi/drivers/ii_pci20kc.o
  drivers/staging/comedi/drivers/ii_pci20kc.c: In function âii20k_attachâ:
  drivers/staging/comedi/drivers/ii_pci20kc.c:442:2: error: implicit declaration of function âioremapâ [-Werror=implicit-function-declaration]
    dev->mmio = ioremap(membase, II20K_SIZE);
    ^
  drivers/staging/comedi/drivers/ii_pci20kc.c:442:12: warning: assignment makes pointer from integer without a cast [enabled by default]
    dev->mmio = ioremap(membase, II20K_SIZE);
              ^
  drivers/staging/comedi/drivers/ii_pci20kc.c: In function âii20k_detachâ:
  drivers/staging/comedi/drivers/ii_pci20kc.c:512:3: error: implicit declaration of function âiounmapâ [-Werror=implicit-function-declaration]
     iounmap(dev->mmio);
     ^

Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
---
 drivers/staging/comedi/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
index a8bc2b5..b709736 100644
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -426,6 +426,7 @@ config COMEDI_AIO_IIRO_16
 
 config COMEDI_II_PCI20KC
 	tristate "Intelligent Instruments PCI-20001C carrier support"
+	depends on HAS_IOMEM
 	---help---
 	  Enable support for Intelligent Instruments PCI-20001C carrier
 	  PCI-20001, PCI-20006 and PCI-20341
-- 
1.9.3
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