linux-kernel - [PATCH libata/for-3.15-fixes] libata: make AHCI_XGENE depend on PHY

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Message-ID: <20140402164159.GE16631@htj.dyndns.org>
Date:	Wed, 2 Apr 2014 12:41:59 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Loc Ho <lho@....com>
Cc:	Kishon Vijay Abraham I <kishon@...com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	USB list <linux-usb@...r.kernel.org>
Subject: [PATCH libata/for-3.15-fixes] libata: make AHCI_XGENE depend on
 PHY_XGENE

AHCI_XGENE is only applicable on ARM64 but it can also be enabled for
compile testing; however, AHCI_XGENE selects PHY_XGENE which has other
arch specific dependencies.  This leads to the following warning when
enabling it on other archs for compile testing.

  warning: (AHCI_XGENE) selects PHY_XGENE which has unmet direct
  dependencies (HAS_IOMEM && OF && (ARM64 || COMPILE_TEST))

Selecting a config option which itself has dependencies can easily
lead to broken configurations.  For now, let's just make AHCI_XGENE
depend on PHY_XGENE which has all the necessary dependencies already.

Signed-off-by: Tejun Heo <tj@...nel.org>
Reported-by: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Loc Ho <lho@....com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc: Kishon Vijay Abraham I <kishon@...com>
---
 drivers/ata/Kconfig |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 20e03a7..2e4da3b 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -134,8 +134,7 @@ config AHCI_SUNXI
 
 config AHCI_XGENE
 	tristate "APM X-Gene 6.0Gbps AHCI SATA host controller support"
-	depends on ARM64 || COMPILE_TEST
-	select PHY_XGENE
+	depends on PHY_XGENE
 	help
 	 This option enables support for APM X-Gene SoC SATA host controller.
 
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