Re: [Patch] dt: OF_UNITTEST make dependency broken

From: Rob Herring
Date: Wed Mar 25 2015 - 00:44:51 EST


On Fri, Mar 13, 2015 at 2:21 PM, Frank Rowand <frowand.list@xxxxxxxxx> wrote:
> From: Frank Rowand <frank.rowand@xxxxxxxxxxxxxx>
>
> If CONFIG_OF_UNITTEST=y then a kernel image make will always cause .version to
> be incremented, even if there are not source changes. This is caused by
> a lack of dependency tracking and checking for
> drivers/of/unittest-data/testcases.dtb.o.
>
>
> Signed-off-by: Frank Rowand <frank.rowand@xxxxxxxxxxxxxx>

Applied. Thanks.

Rob

>
> ---
>
>
> drivers/of/Makefile | 5 +++--
> drivers/of/unittest-data/.gitignore | 2 ++
> drivers/of/unittest-data/Makefile | 7 +++++++
> 3 files changed, 12 insertions(+), 2 deletions(-)
>
> Index: b/drivers/of/Makefile
> ===================================================================
> --- a/drivers/of/Makefile
> +++ b/drivers/of/Makefile
> @@ -6,8 +6,7 @@ obj-$(CONFIG_OF_PROMTREE) += pdt.o
> obj-$(CONFIG_OF_ADDRESS) += address.o
> obj-$(CONFIG_OF_IRQ) += irq.o
> obj-$(CONFIG_OF_NET) += of_net.o
> -obj-$(CONFIG_OF_UNITTEST) += of_unittest.o
> -of_unittest-objs := unittest.o unittest-data/testcases.dtb.o
> +obj-$(CONFIG_OF_UNITTEST) += unittest.o
> obj-$(CONFIG_OF_MDIO) += of_mdio.o
> obj-$(CONFIG_OF_PCI) += of_pci.o
> obj-$(CONFIG_OF_PCI_IRQ) += of_pci_irq.o
> @@ -16,5 +15,7 @@ obj-$(CONFIG_OF_RESERVED_MEM) += of_rese
> obj-$(CONFIG_OF_RESOLVE) += resolver.o
> obj-$(CONFIG_OF_OVERLAY) += overlay.o
>
> +obj-$(CONFIG_OF_UNITTEST) += unittest-data/
> +
> CFLAGS_fdt.o = -I$(src)/../../scripts/dtc/libfdt
> CFLAGS_fdt_address.o = -I$(src)/../../scripts/dtc/libfdt
> Index: b/drivers/of/unittest-data/Makefile
> ===================================================================
> --- /dev/null
> +++ b/drivers/of/unittest-data/Makefile
> @@ -0,0 +1,7 @@
> +obj-y += testcases.dtb.o
> +
> +targets += testcases.dtb testcases.dtb.S
> +
> +.SECONDARY: \
> + $(obj)/testcases.dtb.S \
> + $(obj)/testcases.dtb
> Index: b/drivers/of/unittest-data/.gitignore
> ===================================================================
> --- /dev/null
> +++ b/drivers/of/unittest-data/.gitignore
> @@ -0,0 +1,2 @@
> +testcases.dtb
> +testcases.dtb.S
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