uio: UIO_DMEM_GENIRQ should depend on HAS_DMA
authorGeert Uytterhoeven <geert@linux-m68k.org>
Thu, 9 May 2013 21:04:51 +0000 (23:04 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 21 May 2013 17:13:23 +0000 (10:13 -0700)
If NO_DMA=y:

drivers/built-in.o: In function `uio_dmem_genirq_release':
drivers/uio/uio_dmem_genirq.c:95: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `uio_dmem_genirq_open':
drivers/uio/uio_dmem_genirq.c:61: undefined reference to `dma_alloc_coherent'

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Hans J. Koch <hjk@hansjkoch.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/uio/Kconfig

index e92eeaf251fe33c8c12f693b54db8b75258643a2..5295be0342c1acc88f5698bbdc29a16268ad551a 100644 (file)
@@ -45,6 +45,7 @@ config UIO_PDRV_GENIRQ
 
 config UIO_DMEM_GENIRQ
        tristate "Userspace platform driver with generic irq and dynamic memory"
+       depends on HAS_DMA
        help
          Platform driver for Userspace I/O devices, including generic
          interrupt handling code. Shared interrupts are not supported.