linux-kernel - [PATCH 4/6] ata: AHCI and other non-SFF native drivers should depend on HAS

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Message-Id: <1483466989-9091-5-git-send-email-geert@linux-m68k.org>
Date:   Tue,  3 Jan 2017 19:09:47 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Tejun Heo <tj@...nel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:     linux-ide@...r.kernel.org, linux-m68k@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH 4/6] ata: AHCI and other non-SFF native drivers should depend on HAS_DMA

If NO_DMA=y:

    ERROR: "bad_dma_ops" [drivers/ata/libahci_platform.ko] undefined!
    ERROR: "dmam_alloc_coherent" [drivers/ata/libahci.ko] undefined!

Add a block dependency on HAS_DMA to fix this.

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
 drivers/ata/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index a973aa8aa5513eea..78c00202102913a0 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -80,6 +80,8 @@ config SATA_PMP
 	  This option adds support for SATA Port Multipliers
 	  (the SATA version of an ethernet hub, or SAS expander).
 
+if HAS_DMA
+
 comment "Controllers with non-SFF native interface"
 
 config SATA_AHCI
@@ -232,6 +234,8 @@ config SATA_SIL24
 
 	  If unsure, say N.
 
+endif # HAS_DMA
+
 config ATA_SFF
 	bool "ATA SFF support (for legacy IDE and PATA)"
 	default y
-- 
1.9.1