From: Geert Uytterhoeven <ge...@linux-m68k.org>

If NO_DMA=y:

    drivers/built-in.o: In function `nvme_nvm_dev_dma_free':
    lightnvm.c:(.text+0x23df1a): undefined reference to `dma_pool_free'
    drivers/built-in.o: In function `nvme_nvm_dev_dma_alloc':
    lightnvm.c:(.text+0x23df38): undefined reference to `dma_pool_alloc'
    drivers/built-in.o: In function `nvme_nvm_destroy_dma_pool':
    lightnvm.c:(.text+0x23df4c): undefined reference to `dma_pool_destroy'
    drivers/built-in.o: In function `nvme_nvm_create_dma_pool':
    lightnvm.c:(.text+0x23df7e): undefined reference to `dma_pool_create'

and

    ERROR: "dma_pool_destroy" [drivers/nvme/host/nvme-core.ko] undefined!
    ERROR: "dma_pool_free" [drivers/nvme/host/nvme-core.ko] undefined!
    ERROR: "dma_pool_alloc" [drivers/nvme/host/nvme-core.ko] undefined!
    ERROR: "dma_pool_create" [drivers/nvme/host/nvme-core.ko] undefined!

Signed-off-by: Geert Uytterhoeven <ge...@linux-m68k.org>
Signed-off-by: Matias Bjørling <m...@bjorling.me>
---
 drivers/lightnvm/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig
index 61c68a1..2f5d5f4 100644
--- a/drivers/lightnvm/Kconfig
+++ b/drivers/lightnvm/Kconfig
@@ -4,7 +4,7 @@
 
 menuconfig NVM
        bool "Open-Channel SSD target support"
-       depends on BLOCK
+       depends on BLOCK && HAS_DMA
        help
          Say Y here to get to enable Open-channel SSDs.
 
-- 
2.1.4

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