uio: UIO_DMEM_GENIRQ should depend on HAS_DMA

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 <[email protected]>
Cc: Hans J. Koch <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig
index e92eeaf251fe33c8c12f693b54db8b75258643a2..5295be0342c1acc88f5698bbdc29a16268ad551a 100644 (file)
--- a/drivers/uio/Kconfig
+++ b/drivers/uio/Kconfig
@@ -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.