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]>
iegor · May 21, 2013 · 89fb9e7 · 89fb9e7
1 parent a416274
commit 89fb9e7
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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.