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From: "H. Peter Anvin" <hpa@zytor.com>
To: Alessandro Rubini <rubini@gnudd.com>
Cc: linux-kernel@vger.kernel.org,
	Giancarlo Asnaghi <giancarlo.asnaghi@st.com>,
	Alan Cox <alan@linux.intel.com>,
	Russell King <linux@arm.linux.org.uk>,
	x86@kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Arnd Bergmann <arnd@arndb.de>,
	linux-arm-kernel@lists.infradead.org,
	linux-serial@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH V2 5/6] x86: add CONFIG_ARM_AMBA, selected by STA2X11
Date: Thu, 28 Jun 2012 13:06:53 -0700	[thread overview]
Message-ID: <4FECB95D.7010200@zytor.com> (raw)
In-Reply-To: <f85fefb10b7a7407b77180be65b18bf0426145b9.1338222461.git.rubini@gnudd.com>

On 05/28/2012 09:37 AM, Alessandro Rubini wrote:
> The sta2x11 I/O Hub is a bridge from PCIe to AMBA. It reuses a number
> of amba drivers and needs to activate core bus support.
>
> Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
> ---
>   arch/x86/Kconfig |    4 ++++
>   1 files changed, 4 insertions(+), 0 deletions(-)

> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 91dea918..112718f 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -500,6 +500,7 @@ config STA2X11
>  	select SWIOTLB
>  	select MFD_STA2X11
>  	select ARCH_REQUIRE_GPIOLIB
> +	select ARM_AMBA
>  	default n
>  	---help---
>  	  This adds support for boards based on the STA2X11 IO-Hub,
> @@ -2173,6 +2174,9 @@ config GEOS
>
>  endif # X86_32
>
> +config ARM_AMBA
> +        bool
> +
>  config AMD_NB
>  	def_bool y
>  	depends on CPU_SUP_AMD && PCI


Nacked-by: H. Peter Anvin <hpa@zytor.com>

This brings in tons of code into the x86 all{yes,mod}config builds, and 
as perhaps one could expect some of it doesn't compile.  For example:


/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c: In function 
‘dmac_alloc_resources’:
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:2056:2: warning: 
passing argument 3 of ‘dma_alloc_attrs’ from incompatible
  pointer type [enabled by default]
In file included from 
/home/hpa/kernel/tip.x86-platform/include/linux/dma-mapping.h:73:0,
                  from 
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:22:
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/dma-mapping.h:130:1: 
note: expected ‘dma_addr_t *’ but argument is of typ
e ‘u32 *’
   CC      sound/pci/au88x0/au8830.o
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:73:0: warning: 
"DS" redefined [enabled by default]
In file included from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace.h:5:0,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/vm86.h:130,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/processor.h:10,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/thread_info.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/thread_info.h:54,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/preempt.h:9,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/spinlock.h:50,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/vmalloc.h:4,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/io.h:195,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/io.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:15:
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace-abi.h:13:0: note: 
this is the location of the previous definition
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:89:0: warning: 
"ES" redefined [enabled by default]
In file included from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace.h:5:0,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/vm86.h:130,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/processor.h:10,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/thread_info.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/thread_info.h:54,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/preempt.h:9,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/spinlock.h:50,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/vmalloc.h:4,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/io.h:195,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/io.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:15:
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace-abi.h:14:0: note: 
this is the location of the previous definition
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:100:0: warning: 
"CS" redefined [enabled by default]
In file included from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace.h:5:0,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/vm86.h:130,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/processor.h:10,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/thread_info.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/thread_info.h:54,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/preempt.h:9,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/spinlock.h:50,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/vmalloc.h:4,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/io.h:195,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/io.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:15:
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace-abi.h:19:0: note: 
this is the location of the previous definition
   CC      drivers/dma/pch_dma.o
   CC      drivers/dma/amba-pl08x.o
/home/hpa/kernel/tip.x86-platform/drivers/dma/amba-pl08x.c:86:32: fatal 
error: asm/hardware/pl080.h: No such file or directory
compilation terminated.
make[4]: *** [drivers/dma/amba-pl08x.o] Error 1
make[3]: *** [drivers/dma] Error 2
make[2]: *** [drivers] Error 2
make[2]: *** Waiting for unfinished jobs....



-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

WARNING: multiple messages have this Message-ID (diff)
From: hpa@zytor.com (H. Peter Anvin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V2 5/6] x86: add CONFIG_ARM_AMBA, selected by STA2X11
Date: Thu, 28 Jun 2012 13:06:53 -0700	[thread overview]
Message-ID: <4FECB95D.7010200@zytor.com> (raw)
In-Reply-To: <f85fefb10b7a7407b77180be65b18bf0426145b9.1338222461.git.rubini@gnudd.com>

On 05/28/2012 09:37 AM, Alessandro Rubini wrote:
> The sta2x11 I/O Hub is a bridge from PCIe to AMBA. It reuses a number
> of amba drivers and needs to activate core bus support.
>
> Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
> ---
>   arch/x86/Kconfig |    4 ++++
>   1 files changed, 4 insertions(+), 0 deletions(-)

> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 91dea918..112718f 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -500,6 +500,7 @@ config STA2X11
>  	select SWIOTLB
>  	select MFD_STA2X11
>  	select ARCH_REQUIRE_GPIOLIB
> +	select ARM_AMBA
>  	default n
>  	---help---
>  	  This adds support for boards based on the STA2X11 IO-Hub,
> @@ -2173,6 +2174,9 @@ config GEOS
>
>  endif # X86_32
>
> +config ARM_AMBA
> +        bool
> +
>  config AMD_NB
>  	def_bool y
>  	depends on CPU_SUP_AMD && PCI


Nacked-by: H. Peter Anvin <hpa@zytor.com>

This brings in tons of code into the x86 all{yes,mod}config builds, and 
as perhaps one could expect some of it doesn't compile.  For example:


/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c: In function 
?dmac_alloc_resources?:
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:2056:2: warning: 
passing argument 3 of ?dma_alloc_attrs? from incompatible
  pointer type [enabled by default]
In file included from 
/home/hpa/kernel/tip.x86-platform/include/linux/dma-mapping.h:73:0,
                  from 
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:22:
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/dma-mapping.h:130:1: 
note: expected ?dma_addr_t *? but argument is of typ
e ?u32 *?
   CC      sound/pci/au88x0/au8830.o
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:73:0: warning: 
"DS" redefined [enabled by default]
In file included from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace.h:5:0,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/vm86.h:130,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/processor.h:10,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/thread_info.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/thread_info.h:54,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/preempt.h:9,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/spinlock.h:50,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/vmalloc.h:4,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/io.h:195,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/io.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:15:
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace-abi.h:13:0: note: 
this is the location of the previous definition
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:89:0: warning: 
"ES" redefined [enabled by default]
In file included from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace.h:5:0,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/vm86.h:130,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/processor.h:10,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/thread_info.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/thread_info.h:54,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/preempt.h:9,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/spinlock.h:50,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/vmalloc.h:4,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/io.h:195,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/io.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:15:
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace-abi.h:14:0: note: 
this is the location of the previous definition
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:100:0: warning: 
"CS" redefined [enabled by default]
In file included from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace.h:5:0,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/vm86.h:130,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/processor.h:10,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/thread_info.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/thread_info.h:54,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/preempt.h:9,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/spinlock.h:50,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/vmalloc.h:4,
                  from 
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/io.h:195,
                  from 
/home/hpa/kernel/tip.x86-platform/include/linux/io.h:22,
                  from 
/home/hpa/kernel/tip.x86-platform/drivers/dma/pl330.c:15:
/home/hpa/kernel/tip.x86-platform/arch/x86/include/asm/ptrace-abi.h:19:0: note: 
this is the location of the previous definition
   CC      drivers/dma/pch_dma.o
   CC      drivers/dma/amba-pl08x.o
/home/hpa/kernel/tip.x86-platform/drivers/dma/amba-pl08x.c:86:32: fatal 
error: asm/hardware/pl080.h: No such file or directory
compilation terminated.
make[4]: *** [drivers/dma/amba-pl08x.o] Error 1
make[3]: *** [drivers/dma] Error 2
make[2]: *** [drivers] Error 2
make[2]: *** Waiting for unfinished jobs....



-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

  reply	other threads:[~2012-06-28 20:08 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1338222460.git.rubini@gnudd.com>
2012-05-28 16:37 ` [PATCH V2 1/6] sizes.h: move from asm-generic to <linux/sizes.h> Alessandro Rubini
2012-05-28 16:37   ` Alessandro Rubini
2012-05-28 16:37 ` [PATCH V2 2/6] amba: use the new linux/sizes.h Alessandro Rubini
2012-05-28 16:37   ` Alessandro Rubini
2012-05-28 16:37 ` [PATCH V2 3/6] ARM: " Alessandro Rubini
2012-05-28 16:37   ` Alessandro Rubini
2012-05-28 16:37 ` [PATCH V2 4/6] serial: " Alessandro Rubini
2012-05-28 16:37   ` Alessandro Rubini
2012-05-28 16:37 ` [PATCH V2 5/6] x86: add CONFIG_ARM_AMBA, selected by STA2X11 Alessandro Rubini
2012-05-28 16:37   ` Alessandro Rubini
2012-06-28 20:06   ` H. Peter Anvin [this message]
2012-06-28 20:06     ` H. Peter Anvin
2012-07-01 10:44     ` Alessandro Rubini
2012-07-01 10:44       ` Alessandro Rubini
2012-07-01 10:59       ` Russell King - ARM Linux
2012-07-01 10:59         ` Russell King - ARM Linux
2012-07-01 11:04         ` Alessandro Rubini
2012-07-01 11:04           ` Alessandro Rubini
2012-07-01 11:11           ` Russell King - ARM Linux
2012-07-01 11:11             ` Russell King - ARM Linux
2012-07-01 11:58         ` Jassi Brar
2012-07-01 11:58           ` Jassi Brar
2012-07-01 12:10           ` Russell King - ARM Linux
2012-07-01 12:10             ` Russell King - ARM Linux
2012-07-01 13:11             ` Jassi Brar
2012-07-01 13:11               ` Jassi Brar
2012-07-01 14:13       ` H. Peter Anvin
2012-07-01 14:13         ` H. Peter Anvin
2012-07-02 16:58         ` Arnd Bergmann
2012-07-02 16:58           ` Arnd Bergmann
2012-07-02 18:05           ` Mark Brown
2012-07-02 18:05             ` Mark Brown
2012-07-02 18:07             ` H. Peter Anvin
2012-07-02 18:07               ` H. Peter Anvin
2012-07-02 18:33               ` Mark Brown
2012-07-02 18:33                 ` Mark Brown
2012-07-02 19:41                 ` H. Peter Anvin
2012-07-02 19:41                   ` H. Peter Anvin
2012-07-03 11:05                   ` Mark Brown
2012-07-03 11:05                     ` Mark Brown
2012-07-03 13:00         ` Alessandro Rubini
2012-07-03 13:00           ` Alessandro Rubini
2012-07-03 13:19           ` Arnd Bergmann
2012-07-03 13:19             ` Arnd Bergmann
2012-07-03 13:26             ` Alessandro Rubini
2012-07-03 13:26               ` Alessandro Rubini
2012-07-03 19:46               ` Russell King - ARM Linux
2012-07-03 19:46                 ` Russell King - ARM Linux
2012-07-03 19:34             ` Russell King - ARM Linux
2012-07-03 19:34               ` Russell King - ARM Linux
2012-08-05 20:28               ` Linus Walleij
2012-08-05 20:28                 ` Linus Walleij
2012-08-07 10:06                 ` Kukjin Kim
2012-08-07 10:06                   ` Kukjin Kim
2012-05-28 16:38 ` [PATCH V2 6/6] drivers/amba: add support for a PCI bridge Alessandro Rubini
2012-05-28 16:38   ` Alessandro Rubini

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