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authorJiri Slaby <jslaby@suse.cz>2013-05-22 12:56:24 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-25 03:41:32 +0400
commit4bb1667255a86360721291fe59991d033bbc2f2a (patch)
treecc6e697ab35538995625e6ba9a5b809c5dd35719 /drivers/misc
parentb5aef682e00c424bb2f55639168083b61803a012 (diff)
downloadlinux-4bb1667255a86360721291fe59991d033bbc2f2a.tar.xz
build some drivers only when compile-testing
Some drivers can be built on more platforms than they run on. This is a burden for users and distributors who package a kernel. They have to manually deselect some (for them useless) drivers when updating their configs via oldconfig. And yet, sometimes it is even impossible to disable the drivers without patching the kernel. Introduce a new config option COMPILE_TEST and make all those drivers to depend on the platform they run on, or on the COMPILE_TEST option. Now, when users/distributors choose COMPILE_TEST=n they will not have the drivers in their allmodconfig setups, but developers still can compile-test them with COMPILE_TEST=y. Now the drivers where we use this new option: * PTP_1588_CLOCK_PCH: The PCH EG20T is only compatible with Intel Atom processors so it should depend on x86. * FB_GEODE: Geode is 32-bit only so only enable it for X86_32. * USB_CHIPIDEA_IMX: The OF_DEVICE dependency will be met on powerpc systems -- which do not actually support the hardware via that method. * INTEL_MID_PTI: It is specific to the Penwell type of Intel Atom device. [v2] * remove EXPERT dependency [gregkh - remove chipidea portion, as it's incorrect, and also doesn't apply to my driver-core tree] Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Jeff Mahoney <jeffm@suse.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: linux-usb@vger.kernel.org Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: linux-geode@lists.infradead.org Cc: linux-fbdev@vger.kernel.org Cc: Richard Cochran <richardcochran@gmail.com> Cc: netdev@vger.kernel.org Cc: Ben Hutchings <ben@decadent.org.uk> Cc: "Keller, Jacob E" <jacob.e.keller@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index c002d8660e30..e23df6cf710d 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -135,7 +135,7 @@ config PHANTOM
config INTEL_MID_PTI
tristate "Parallel Trace Interface for MIPI P1149.7 cJTAG standard"
- depends on PCI && TTY
+ depends on PCI && TTY && (X86_INTEL_MID || COMPILE_TEST)
default n
help
The PTI (Parallel Trace Interface) driver directs