tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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mtd: nand: MTD_NAND_ECC_REALTEK should depend on HAS_DMA

If CONFIG_NO_DMA=y:

ERROR: modpost: "dma_free_pages" [drivers/mtd/nand/ecc-realtek.ko] undefined!
ERROR: modpost: "dma_alloc_pages" [drivers/mtd/nand/ecc-realtek.ko] undefined!

The driver cannot function without DMA, hence fix this by adding a
dependency on HAS_DMA.

Fixes: 3148d0e5b1c5733d ("mtd: nand: realtek-ecc: Add Realtek external ECC engine support")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

authored by

Geert Uytterhoeven and committed by
Miquel Raynal 0d9c80aa 9225f02f

+1 -1
+1 -1
drivers/mtd/nand/Kconfig
··· 63 63 64 64 config MTD_NAND_ECC_REALTEK 65 65 tristate "Realtek RTL93xx hardware ECC engine" 66 - depends on HAS_IOMEM 66 + depends on HAS_IOMEM && HAS_DMA 67 67 depends on MACH_REALTEK_RTL || COMPILE_TEST 68 68 select MTD_NAND_ECC 69 69 help