diff mbox

[v2,06/26] lib/dma-noop: Only build dma_noop_ops for m32r and s390

Message ID 20170112190718.6728-7-bart.vanassche@sandisk.com (mailing list archive)
State Superseded
Headers show

Commit Message

Bart Van Assche Jan. 12, 2017, 7:06 p.m. UTC
This was suggested by Christoph Hellwig.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
---
 arch/m32r/Kconfig | 1 +
 arch/s390/Kconfig | 1 +
 lib/Kconfig       | 5 +++++
 lib/Makefile      | 2 +-
 4 files changed, 8 insertions(+), 1 deletion(-)

Comments

Christian Borntraeger Jan. 13, 2017, 8:38 a.m. UTC | #1
On 01/12/2017 08:06 PM, Bart Van Assche wrote:
> This was suggested by Christoph Hellwig.
> 
> Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
> Cc: Christian Borntraeger <borntraeger@de.ibm.com>
> Cc: Joerg Roedel <jroedel@suse.de>
> Cc: Andy Lutomirski <luto@kernel.org>
> Cc: Michael S. Tsirkin <mst@redhat.com>
> Cc: Christoph Hellwig <hch@lst.de>

Should be ok for s390  (as we do have ARCH_DMA_ADDR_T_64BIT).


> ---
>  arch/m32r/Kconfig | 1 +
>  arch/s390/Kconfig | 1 +
>  lib/Kconfig       | 5 +++++
>  lib/Makefile      | 2 +-
>  4 files changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
> index d227a6988d6b..95474460b367 100644
> --- a/arch/m32r/Kconfig
> +++ b/arch/m32r/Kconfig
> @@ -18,6 +18,7 @@ config M32R
>  	select MODULES_USE_ELF_RELA
>  	select HAVE_DEBUG_STACKOVERFLOW
>  	select CPU_NO_EFFICIENT_FFS
> +	select DMA_NOOP_OPS
> 
>  config SBUS
>  	bool
> diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
> index c6722112527d..38ad42358c41 100644
> --- a/arch/s390/Kconfig
> +++ b/arch/s390/Kconfig
> @@ -137,6 +137,7 @@ config S390
>  	select HAVE_DEBUG_KMEMLEAK
>  	select HAVE_DMA_API_DEBUG
>  	select HAVE_DMA_CONTIGUOUS
> +	select DMA_NOOP_OPS
>  	select HAVE_DYNAMIC_FTRACE
>  	select HAVE_DYNAMIC_FTRACE_WITH_REGS
>  	select HAVE_EFFICIENT_UNALIGNED_ACCESS
> diff --git a/lib/Kconfig b/lib/Kconfig
> index 260a80e313b9..b6baf0609e8b 100644
> --- a/lib/Kconfig
> +++ b/lib/Kconfig
> @@ -395,6 +395,11 @@ config HAS_DMA
>  	depends on !NO_DMA
>  	default y
> 
> +config DMA_NOOP_OPS
> +	bool
> +	depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT)
> +	default n
> +
>  config CHECK_SIGNATURE
>  	bool
> 
> diff --git a/lib/Makefile b/lib/Makefile
> index bc4073a8cd08..ada06d5652e8 100644
> --- a/lib/Makefile
> +++ b/lib/Makefile
> @@ -26,7 +26,7 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \
> 
>  lib-$(CONFIG_MMU) += ioremap.o
>  lib-$(CONFIG_SMP) += cpumask.o
> -lib-$(CONFIG_HAS_DMA) += dma-noop.o
> +lib-$(CONFIG_DMA_NOOP_OPS) += dma-noop.o
> 
>  lib-y	+= kobject.o klist.o
>  obj-y	+= lockref.o
> 

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diff mbox

Patch

diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index d227a6988d6b..95474460b367 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -18,6 +18,7 @@  config M32R
 	select MODULES_USE_ELF_RELA
 	select HAVE_DEBUG_STACKOVERFLOW
 	select CPU_NO_EFFICIENT_FFS
+	select DMA_NOOP_OPS
 
 config SBUS
 	bool
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index c6722112527d..38ad42358c41 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -137,6 +137,7 @@  config S390
 	select HAVE_DEBUG_KMEMLEAK
 	select HAVE_DMA_API_DEBUG
 	select HAVE_DMA_CONTIGUOUS
+	select DMA_NOOP_OPS
 	select HAVE_DYNAMIC_FTRACE
 	select HAVE_DYNAMIC_FTRACE_WITH_REGS
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS
diff --git a/lib/Kconfig b/lib/Kconfig
index 260a80e313b9..b6baf0609e8b 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -395,6 +395,11 @@  config HAS_DMA
 	depends on !NO_DMA
 	default y
 
+config DMA_NOOP_OPS
+	bool
+	depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT)
+	default n
+
 config CHECK_SIGNATURE
 	bool
 
diff --git a/lib/Makefile b/lib/Makefile
index bc4073a8cd08..ada06d5652e8 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -26,7 +26,7 @@  lib-y := ctype.o string.o vsprintf.o cmdline.o \
 
 lib-$(CONFIG_MMU) += ioremap.o
 lib-$(CONFIG_SMP) += cpumask.o
-lib-$(CONFIG_HAS_DMA) += dma-noop.o
+lib-$(CONFIG_DMA_NOOP_OPS) += dma-noop.o
 
 lib-y	+= kobject.o klist.o
 obj-y	+= lockref.o