[PATCH 0/4] arm: vt8500: Add new models and remove single-platform.

[PATCH 0/4] arm: vt8500: Add new models and remove single-platform.

[Tony Prisk]

Hi Arnd/Olaf,

These patches should be pretty self explanatory.

#1 - Adds support for WM8750 and WM8850.
#2 - Remove the single-platform Kconfig options.
#3 - Move the early debug code so it can be used for multiplatform.
#4 - Cleanup the unused headers in arch/arm/mach-vt8500/include.

Tony Prisk (4):
  arm: vt8500: Add support for Wondermedia WM8750/WM8850
  arm: vt8500: Remove single platform Kconfig options
  arm: vt8500: Convert debug-macro.S to be multiplatform friendly
  arm: vt8500: Remove remaining mach includes

 Documentation/devicetree/bindings/arm/vt8500.txt |    8 +++++
 arch/arm/Kconfig                                 |   16 ----------
 arch/arm/Kconfig.debug                           |    8 +++++
 arch/arm/mach-vt8500/Kconfig                     |   26 +++++++++++++--
 arch/arm/mach-vt8500/include/mach/debug-macro.S  |   31 ------------------
 arch/arm/mach-vt8500/include/mach/timex.h        |   26 ---------------
 arch/arm/mach-vt8500/include/mach/uncompress.h   |   37 ----------------------
 arch/arm/mach-vt8500/vt8500.c                    |    2 ++
 8 files changed, 41 insertions(+), 113 deletions(-)
 delete mode 100644 arch/arm/mach-vt8500/include/mach/debug-macro.S
 delete mode 100644 arch/arm/mach-vt8500/include/mach/timex.h
 delete mode 100644 arch/arm/mach-vt8500/include/mach/uncompress.h

-- 
1.7.9.5

[PATCH 1/4] arm: vt8500: Add support for Wondermedia WM8750/WM8850

[Tony Prisk]

This patch adds support for the WM8750 (ARMv6) and WM8850 (ARMv7).

Common features across all SoCs are split into ARCH_VT8500 and
unique features are specified by each SoC option.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
---
 Documentation/devicetree/bindings/arm/vt8500.txt |    8 ++++++
 arch/arm/Kconfig                                 |   17 +++++++----
 arch/arm/mach-vt8500/Kconfig                     |   33 ++++++++++++++++++++--
 arch/arm/mach-vt8500/vt8500.c                    |    2 ++
 4 files changed, 51 insertions(+), 9 deletions(-)

diff --git a/Documentation/devicetree/bindings/arm/vt8500.txt b/Documentation/devicetree/bindings/arm/vt8500.txt
index d657832..87dc1dd 100644
--- a/Documentation/devicetree/bindings/arm/vt8500.txt
+++ b/Documentation/devicetree/bindings/arm/vt8500.txt
@@ -12,3 +12,11 @@ compatible = "wm,wm8505";
 Boards with the Wondermedia WM8650 SoC shall have the following properties:
 Required root node property:
 compatible = "wm,wm8650";
+
+Boards with the Wondermedia WM8750 SoC shall have the following properties:
+Required root node property:
+compatible = "wm,wm8750";
+
+Boards with the Wondermedia WM8850 SoC shall have the following properties:
+Required root node property:
+compatible = "wm,wm8850";
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f95ba14..fbb9492 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -952,20 +952,25 @@ config ARCH_OMAP
 
 config ARCH_VT8500_SINGLE
 	bool "VIA/WonderMedia 85xx"
-	select ARCH_HAS_CPUFREQ
-	select ARCH_REQUIRE_GPIOLIB
-	select CLKDEV_LOOKUP
+	select ARCH_VT8500
 	select COMMON_CLK
 	select CPU_ARM926T
-	select GENERIC_CLOCKEVENTS
-	select GENERIC_GPIO
-	select HAVE_CLK
 	select MULTI_IRQ_HANDLER
 	select SPARSE_IRQ
 	select USE_OF
 	help
 	  Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
 
+config ARCH_WM8750_SINGLE
+	bool "WonderMedia WM8750/WM8850"
+	select ARCH_VT8500
+	select COMMON_CLK
+	select MULTI_IRQ_HANDLER
+	select SPARSE_IRQ
+	select USE_OF
+	help
+	  Support for WonderMedia WM8750/WM8850 System-on-Chip.
+
 endchoice
 
 menu "Multiple platform selection"
diff --git a/arch/arm/mach-vt8500/Kconfig b/arch/arm/mach-vt8500/Kconfig
index 2ed0b7d..d67c7fa 100644
--- a/arch/arm/mach-vt8500/Kconfig
+++ b/arch/arm/mach-vt8500/Kconfig
@@ -1,12 +1,39 @@
 config ARCH_VT8500
-	bool "VIA/WonderMedia 85xx" if ARCH_MULTI_V5
-	default ARCH_VT8500_SINGLE
+	bool
 	select ARCH_HAS_CPUFREQ
 	select ARCH_REQUIRE_GPIOLIB
 	select CLKDEV_LOOKUP
-	select CPU_ARM926T
 	select GENERIC_CLOCKEVENTS
 	select GENERIC_GPIO
 	select HAVE_CLK
+
+config ARCH_WM8505
+	bool "VIA/WonderMedia 85xx" if !ARCH_VT8500_SINGLE
+	depends on ARCH_MULTI_V5
+	default ARCH_VT8500_SINGLE
+	select ARCH_VT8500
+	select CPU_ARM926T
 	help
 	  Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
+
+config ARCH_WM8750
+	bool "WonderMedia WM8750"
+	depends on ARCH_MULTI_V6 || ARCH_WM8750_SINGLE
+	select ARCH_VT8500
+	select CPU_V6
+	help
+	  Support for WonderMedia WM8750 System-on-Chip.
+
+config ARCH_WM8850
+	bool "WonderMedia WM8850"
+	depends on ARCH_MULTI_V7 || ARCH_WM8750_SINGLE
+	select ARCH_VT8500
+	select CPU_V7
+	help
+	  Support for WonderMedia WM8850 System-on-Chip.
+
+# ensure that ARCH_WM8850 is on if ARCH_WM8750 is off
+config ARCH_WM8850_AUTO
+      def_bool y
+      depends on ARCH_WM8750_SINGLE && !ARCH_WM8750
+      select ARCH_WM8850
diff --git a/arch/arm/mach-vt8500/vt8500.c b/arch/arm/mach-vt8500/vt8500.c
index 3c66d48..55162ab 100644
--- a/arch/arm/mach-vt8500/vt8500.c
+++ b/arch/arm/mach-vt8500/vt8500.c
@@ -183,6 +183,8 @@ static const char * const vt8500_dt_compat[] = {
 	"via,vt8500",
 	"wm,wm8650",
 	"wm,wm8505",
+	"wm,wm8750",
+	"wm,wm8850",
 };
 
 DT_MACHINE_START(WMT_DT, "VIA/Wondermedia SoC (Device Tree Support)")
-- 
1.7.9.5

[PATCH 2/4] arm: vt8500: Remove single platform Kconfig options

[Tony Prisk]

This patch completes the move of arch-vt8500 to multiplatform only.

The remaining single-image Kconfig options are removed from
arch/arm/Kconfig and the options in arch/arm/mach-vt8500/Kconfig
are updated.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
---
 arch/arm/Kconfig             |   21 ---------------------
 arch/arm/mach-vt8500/Kconfig |   13 +++----------
 2 files changed, 3 insertions(+), 31 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index fbb9492..76efd43 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -950,27 +950,6 @@ config ARCH_OMAP
 	help
 	  Support for TI's OMAP platform (OMAP1/2/3/4).
 
-config ARCH_VT8500_SINGLE
-	bool "VIA/WonderMedia 85xx"
-	select ARCH_VT8500
-	select COMMON_CLK
-	select CPU_ARM926T
-	select MULTI_IRQ_HANDLER
-	select SPARSE_IRQ
-	select USE_OF
-	help
-	  Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
-
-config ARCH_WM8750_SINGLE
-	bool "WonderMedia WM8750/WM8850"
-	select ARCH_VT8500
-	select COMMON_CLK
-	select MULTI_IRQ_HANDLER
-	select SPARSE_IRQ
-	select USE_OF
-	help
-	  Support for WonderMedia WM8750/WM8850 System-on-Chip.
-
 endchoice
 
 menu "Multiple platform selection"
diff --git a/arch/arm/mach-vt8500/Kconfig b/arch/arm/mach-vt8500/Kconfig
index d67c7fa..f466b58 100644
--- a/arch/arm/mach-vt8500/Kconfig
+++ b/arch/arm/mach-vt8500/Kconfig
@@ -8,9 +8,8 @@ config ARCH_VT8500
 	select HAVE_CLK
 
 config ARCH_WM8505
-	bool "VIA/WonderMedia 85xx" if !ARCH_VT8500_SINGLE
+	bool "VIA/WonderMedia 85xx"
 	depends on ARCH_MULTI_V5
-	default ARCH_VT8500_SINGLE
 	select ARCH_VT8500
 	select CPU_ARM926T
 	help
@@ -18,7 +17,7 @@ config ARCH_WM8505
 
 config ARCH_WM8750
 	bool "WonderMedia WM8750"
-	depends on ARCH_MULTI_V6 || ARCH_WM8750_SINGLE
+	depends on ARCH_MULTI_V6
 	select ARCH_VT8500
 	select CPU_V6
 	help
@@ -26,14 +25,8 @@ config ARCH_WM8750
 
 config ARCH_WM8850
 	bool "WonderMedia WM8850"
-	depends on ARCH_MULTI_V7 || ARCH_WM8750_SINGLE
+	depends on ARCH_MULTI_V7
 	select ARCH_VT8500
 	select CPU_V7
 	help
 	  Support for WonderMedia WM8850 System-on-Chip.
-
-# ensure that ARCH_WM8850 is on if ARCH_WM8750 is off
-config ARCH_WM8850_AUTO
-      def_bool y
-      depends on ARCH_WM8750_SINGLE && !ARCH_WM8750
-      select ARCH_WM8850
-- 
1.7.9.5

[PATCH 3/4] arm: vt8500: Convert debug-macro.S to be multiplatform friendly

[Tony Prisk]

This patch moves debug-macro.S from arm/mach-vt8500/include/mach to
arm/include/debug/vt8500.S to provide multiplatform support.

Minor style changes in code for readability.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
---
 arch/arm/Kconfig.debug                          |    8 ++++++
 arch/arm/mach-vt8500/include/mach/debug-macro.S |   31 -----------------------
 2 files changed, 8 insertions(+), 31 deletions(-)
 delete mode 100644 arch/arm/mach-vt8500/include/mach/debug-macro.S

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 661030d..bbb0a67 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -412,6 +412,13 @@ choice
 		  of the tiles using the RS1 memory map, including all new A-class
 		  core tiles, FPGA-based SMMs and software models.
 
+	config DEBUG_VT8500_UART0
+		bool "Use UART0 on VIA/Wondermedia SoCs"
+		depends on ARCH_VT8500
+		help
+		  This option selects UART0 on VIA/Wondermedia System-on-a-chip
+		  devices, including VT8500, WM8505, WM8650 and WM8850.
+
 	config DEBUG_LL_UART_NONE
 		bool "No low-level debugging UART"
 		depends on !ARCH_MULTIPLATFORM
@@ -506,6 +513,7 @@ config DEBUG_LL_INCLUDE
 	default "debug/sunxi.S" if DEBUG_SUNXI_UART0 || DEBUG_SUNXI_UART1
 	default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \
 		DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1
+	default "debug/vt8500.S" if DEBUG_VT8500_UART0
 	default "debug/tegra.S" if DEBUG_TEGRA_UART
 	default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
 	default "mach/debug-macro.S"
diff --git a/arch/arm/mach-vt8500/include/mach/debug-macro.S b/arch/arm/mach-vt8500/include/mach/debug-macro.S
deleted file mode 100644
index ca292f2..0000000
--- a/arch/arm/mach-vt8500/include/mach/debug-macro.S
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * arch/arm/mach-vt8500/include/mach/debug-macro.S
- *
- *  Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
- *
- * Debugging macro include header
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
-*/
-
-	.macro	addruart, rp, rv, tmp
-	mov	\rp,      #0x00200000
-	orr	\rv, \rp, #0xf8000000
-	orr	\rp, \rp, #0xd8000000
-	.endm
-
-	.macro	senduart,rd,rx
-	strb	\rd, [\rx, #0]
-	.endm
-
-	.macro	busyuart,rd,rx
-1001:	ldr	\rd, [\rx, #0x1c]
-	ands	\rd, \rd, #0x2
-	bne	1001b
-	.endm
-
-	.macro	waituart,rd,rx
-	.endm
-- 
1.7.9.5

[PATCH 4/4] arm: vt8500: Remove remaining mach includes

[Tony Prisk]

Remove the last two mach-vt8500/include/mach headers as they are
no longer required with multiplatform-only configuration.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
---
 arch/arm/mach-vt8500/include/mach/timex.h      |   26 -----------------
 arch/arm/mach-vt8500/include/mach/uncompress.h |   37 ------------------------
 2 files changed, 63 deletions(-)
 delete mode 100644 arch/arm/mach-vt8500/include/mach/timex.h
 delete mode 100644 arch/arm/mach-vt8500/include/mach/uncompress.h

diff --git a/arch/arm/mach-vt8500/include/mach/timex.h b/arch/arm/mach-vt8500/include/mach/timex.h
deleted file mode 100644
index 8487e4c..0000000
--- a/arch/arm/mach-vt8500/include/mach/timex.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- *  arch/arm/mach-vt8500/include/mach/timex.h
- *
- *  Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#ifndef MACH_TIMEX_H
-#define MACH_TIMEX_H
-
-#define CLOCK_TICK_RATE		(3000000)
-
-#endif /* MACH_TIMEX_H */
diff --git a/arch/arm/mach-vt8500/include/mach/uncompress.h b/arch/arm/mach-vt8500/include/mach/uncompress.h
deleted file mode 100644
index e6e81fd..0000000
--- a/arch/arm/mach-vt8500/include/mach/uncompress.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/* arch/arm/mach-vt8500/include/mach/uncompress.h
- *
- * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
- *
- * Based on arch/arm/mach-dove/include/mach/uncompress.h
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#define UART0_PHYS	0xd8200000
-#define UART0_ADDR(x)	*(volatile unsigned char *)(UART0_PHYS + x)
-
-static void putc(const char c)
-{
-	while (UART0_ADDR(0x1c) & 0x2)
-		/* Tx busy, wait and poll */;
-
-	UART0_ADDR(0) = c;
-}
-
-static void flush(void)
-{
-}
-
-/*
- * nothing to do
- */
-#define arch_decomp_setup()
-#define arch_decomp_wdog()
-- 
1.7.9.5

[PATCH 3/4] arm: vt8500: Convert debug-macro.S to be multiplatform friendly

[Alexey Charkov]

On Dec 28, 2012 3:21 AM, "Tony Prisk" <linux@prisktech.co.nz> wrote:
>
> This patch moves debug-macro.S from arm/mach-vt8500/include/mach to
> arm/include/debug/vt8500.S to provide multiplatform support.

Hi Tony!

Looks like you haven't included the new file.

Best,
Alexey
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[PATCH 3/4] arm: vt8500: Convert debug-macro.S to be multiplatform friendly

[Tony Prisk]

On Fri, 2012-12-28 at 10:21 +0600, Alexey Charkov wrote:
> 
> On Dec 28, 2012 3:21 AM, "Tony Prisk" <linux@prisktech.co.nz> wrote:
> >
> > This patch moves debug-macro.S from arm/mach-vt8500/include/mach to
> > arm/include/debug/vt8500.S to provide multiplatform support.
> 
> Hi Tony!
> 
> Looks like you haven't included the new file.
> 
> Best,
> Alexey
> 

Thanks Alexey,
Resent as 3/4 v2.

Regards
Tony P

[PATCH 1/4] arm: vt8500: Add support for Wondermedia WM8750/WM8850

[Tony Prisk]

On Fri, 2012-12-28 at 12:20 +1300, Tony Prisk wrote:
> This patch adds support for the WM8750 (ARMv6) and WM8850 (ARMv7).
> 
> Common features across all SoCs are split into ARCH_VT8500 and
> unique features are specified by each SoC option.
> 
> Signed-off-by: Tony Prisk <linux@prisktech.co.nz>


Hi Arnd, Olof,

Haven't heard anything re: this patch series. Problem?

Regards
Tony P

[PATCH 1/4] arm: vt8500: Add support for Wondermedia WM8750/WM8850

[Olof Johansson]

On Tue, Jan 8, 2013 at 10:13 PM, Tony Prisk <linux@prisktech.co.nz> wrote:
> On Fri, 2012-12-28 at 12:20 +1300, Tony Prisk wrote:
>> This patch adds support for the WM8750 (ARMv6) and WM8850 (ARMv7).
>>
>> Common features across all SoCs are split into ARCH_VT8500 and
>> unique features are specified by each SoC option.
>>
>> Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
>
>
> Hi Arnd, Olof,
>
> Haven't heard anything re: this patch series. Problem?

Nope, just wasn't sure if you would send a git pull request or if you
wanted them applied.

I'm out of time for tonight, but I'll look closer at them (and apply
them if all OK) tomorrow.


-Olof

[PATCH 1/4] arm: vt8500: Add support for Wondermedia WM8750/WM8850

[Tony Prisk]

On Tue, 2013-01-08 at 22:30 -0800, Olof Johansson wrote:
> On Tue, Jan 8, 2013 at 10:13 PM, Tony Prisk <linux@prisktech.co.nz> wrote:
> > On Fri, 2012-12-28 at 12:20 +1300, Tony Prisk wrote:
> >> This patch adds support for the WM8750 (ARMv6) and WM8850 (ARMv7).
> >>
> >> Common features across all SoCs are split into ARCH_VT8500 and
> >> unique features are specified by each SoC option.
> >>
> >> Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
> >
> >
> > Hi Arnd, Olof,
> >
> > Haven't heard anything re: this patch series. Problem?
> 
> Nope, just wasn't sure if you would send a git pull request or if you
> wanted them applied.
> 
> I'm out of time for tonight, but I'll look closer at them (and apply
> them if all OK) tomorrow.
> 
> 
> -Olof

I'm quite happy to send a pull request if that's what you prefer.

Generally people have just taken the patches straight from email, so
everytime I've done a pull-request I get a reply back saying the patches
have already been applied.

Is there some 'rule' around pull-requests vs emailed patches?
Should patches in pull-requests have Ack'd lines already?

Regards
Tony P

[PATCH 1/4] arm: vt8500: Add support for Wondermedia WM8750/WM8850

[Arnd Bergmann]

On Wednesday 09 January 2013, Tony Prisk wrote:
> I'm quite happy to send a pull request if that's what you prefer.
> 
> Generally people have just taken the patches straight from email, so
> everytime I've done a pull-request I get a reply back saying the patches
> have already been applied.
> 
> Is there some 'rule' around pull-requests vs emailed patches?

Generally, pull requests tend to be less work for us, so I prefer
them. In particular, when you add a tag description or a signed
tag, that gives automatically puts  nice text into the merge
changeset.

> Should patches in pull-requests have Ack'd lines already?

Yes.

	Arnd

[PATCH 1/4] arm: vt8500: Add support for Wondermedia WM8750/WM8850

[Tony Prisk]

On Wed, 2013-01-09 at 21:27 +0000, Arnd Bergmann wrote:
> On Wednesday 09 January 2013, Tony Prisk wrote:
> > I'm quite happy to send a pull request if that's what you prefer.
> > 
> > Generally people have just taken the patches straight from email, so
> > everytime I've done a pull-request I get a reply back saying the patches
> > have already been applied.
> > 
> > Is there some 'rule' around pull-requests vs emailed patches?
> 
> Generally, pull requests tend to be less work for us, so I prefer
> them. In particular, when you add a tag description or a signed
> tag, that gives automatically puts  nice text into the merge
> changeset.
> 
> > Should patches in pull-requests have Ack'd lines already?
> 
> Yes.
> 
> 	Arnd

This is what I thought - and the reason I haven't sent a pull-request
for the patch's - I haven't had any Ack's :)

Regards
Tony P

[PATCH 1/4] arm: vt8500: Add support for Wondermedia WM8750/WM8850

[Arnd Bergmann]

On Thursday 10 January 2013, Tony Prisk wrote:
> On Wed, 2013-01-09 at 21:27 +0000, Arnd Bergmann wrote:
> > 
> > > Should patches in pull-requests have Ack'd lines already?
> 
> This is what I thought - and the reason I haven't sent a pull-request
> for the patch's - I haven't had any Ack's :)
> 

Sorry, I think I misunderstood the question then. I meant that if
you received an Acked-by statement, it should be part of the
changeset comment by the time you send a pull request.

There is also the rule that patches need to be reviewed on the
mailing list before you submit them for inclusion. Like all
rules, this can be bent a little for patches that are obvious
correct bug fixes, especially when you are the platform
maintainer. What you can do here is send the patches out to the
mailing list without any additional Acks and send the pull
request as the [PATCH 0/X] mail. We can then look at the
patches if necessary or just pull in the branch straight away.

	Arnd

[PATCH 1/4] arm: vt8500: Add support for Wondermedia WM8750/WM8850

[Tony Prisk]

On Thu, 2013-01-10 at 10:21 +0000, Arnd Bergmann wrote:
> On Thursday 10 January 2013, Tony Prisk wrote:
> > On Wed, 2013-01-09 at 21:27 +0000, Arnd Bergmann wrote:
> > > 
> > > > Should patches in pull-requests have Ack'd lines already?
> > 
> > This is what I thought - and the reason I haven't sent a pull-request
> > for the patch's - I haven't had any Ack's :)
> > 
> 
> Sorry, I think I misunderstood the question then. I meant that if
> you received an Acked-by statement, it should be part of the
> changeset comment by the time you send a pull request.
> 
> There is also the rule that patches need to be reviewed on the
> mailing list before you submit them for inclusion. Like all
> rules, this can be bent a little for patches that are obvious
> correct bug fixes, especially when you are the platform
> maintainer. What you can do here is send the patches out to the
> mailing list without any additional Acks and send the pull
> request as the [PATCH 0/X] mail. We can then look at the
> patches if necessary or just pull in the branch straight away.
> 
> 	Arnd
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel


All makes sense now - thanks.

Regards
Tony P

[PATCH 1/4] arm: vt8500: Add support for Wondermedia WM8750/WM8850

[Tony Prisk]

This patch adds support for the WM8750 (ARMv6) and WM8850 (ARMv7).

Common features across all SoCs are split into ARCH_VT8500 and
unique features are specified by each SoC option.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
---
 Documentation/devicetree/bindings/arm/vt8500.txt |    8 ++++++
 arch/arm/Kconfig                                 |   17 +++++++----
 arch/arm/mach-vt8500/Kconfig                     |   33 ++++++++++++++++++++--
 arch/arm/mach-vt8500/vt8500.c                    |    2 ++
 4 files changed, 51 insertions(+), 9 deletions(-)

diff --git a/Documentation/devicetree/bindings/arm/vt8500.txt b/Documentation/devicetree/bindings/arm/vt8500.txt
index d657832..87dc1dd 100644
--- a/Documentation/devicetree/bindings/arm/vt8500.txt
+++ b/Documentation/devicetree/bindings/arm/vt8500.txt
@@ -12,3 +12,11 @@ compatible = "wm,wm8505";
 Boards with the Wondermedia WM8650 SoC shall have the following properties:
 Required root node property:
 compatible = "wm,wm8650";
+
+Boards with the Wondermedia WM8750 SoC shall have the following properties:
+Required root node property:
+compatible = "wm,wm8750";
+
+Boards with the Wondermedia WM8850 SoC shall have the following properties:
+Required root node property:
+compatible = "wm,wm8850";
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f95ba14..fbb9492 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -952,20 +952,25 @@ config ARCH_OMAP
 
 config ARCH_VT8500_SINGLE
 	bool "VIA/WonderMedia 85xx"
-	select ARCH_HAS_CPUFREQ
-	select ARCH_REQUIRE_GPIOLIB
-	select CLKDEV_LOOKUP
+	select ARCH_VT8500
 	select COMMON_CLK
 	select CPU_ARM926T
-	select GENERIC_CLOCKEVENTS
-	select GENERIC_GPIO
-	select HAVE_CLK
 	select MULTI_IRQ_HANDLER
 	select SPARSE_IRQ
 	select USE_OF
 	help
 	  Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
 
+config ARCH_WM8750_SINGLE
+	bool "WonderMedia WM8750/WM8850"
+	select ARCH_VT8500
+	select COMMON_CLK
+	select MULTI_IRQ_HANDLER
+	select SPARSE_IRQ
+	select USE_OF
+	help
+	  Support for WonderMedia WM8750/WM8850 System-on-Chip.
+
 endchoice
 
 menu "Multiple platform selection"
diff --git a/arch/arm/mach-vt8500/Kconfig b/arch/arm/mach-vt8500/Kconfig
index 2ed0b7d..d67c7fa 100644
--- a/arch/arm/mach-vt8500/Kconfig
+++ b/arch/arm/mach-vt8500/Kconfig
@@ -1,12 +1,39 @@
 config ARCH_VT8500
-	bool "VIA/WonderMedia 85xx" if ARCH_MULTI_V5
-	default ARCH_VT8500_SINGLE
+	bool
 	select ARCH_HAS_CPUFREQ
 	select ARCH_REQUIRE_GPIOLIB
 	select CLKDEV_LOOKUP
-	select CPU_ARM926T
 	select GENERIC_CLOCKEVENTS
 	select GENERIC_GPIO
 	select HAVE_CLK
+
+config ARCH_WM8505
+	bool "VIA/WonderMedia 85xx" if !ARCH_VT8500_SINGLE
+	depends on ARCH_MULTI_V5
+	default ARCH_VT8500_SINGLE
+	select ARCH_VT8500
+	select CPU_ARM926T
 	help
 	  Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
+
+config ARCH_WM8750
+	bool "WonderMedia WM8750"
+	depends on ARCH_MULTI_V6 || ARCH_WM8750_SINGLE
+	select ARCH_VT8500
+	select CPU_V6
+	help
+	  Support for WonderMedia WM8750 System-on-Chip.
+
+config ARCH_WM8850
+	bool "WonderMedia WM8850"
+	depends on ARCH_MULTI_V7 || ARCH_WM8750_SINGLE
+	select ARCH_VT8500
+	select CPU_V7
+	help
+	  Support for WonderMedia WM8850 System-on-Chip.
+
+# ensure that ARCH_WM8850 is on if ARCH_WM8750 is off
+config ARCH_WM8850_AUTO
+      def_bool y
+      depends on ARCH_WM8750_SINGLE && !ARCH_WM8750
+      select ARCH_WM8850
diff --git a/arch/arm/mach-vt8500/vt8500.c b/arch/arm/mach-vt8500/vt8500.c
index 3c66d48..55162ab 100644
--- a/arch/arm/mach-vt8500/vt8500.c
+++ b/arch/arm/mach-vt8500/vt8500.c
@@ -183,6 +183,8 @@ static const char * const vt8500_dt_compat[] = {
 	"via,vt8500",
 	"wm,wm8650",
 	"wm,wm8505",
+	"wm,wm8750",
+	"wm,wm8850",
 };
 
 DT_MACHINE_START(WMT_DT, "VIA/Wondermedia SoC (Device Tree Support)")
-- 
1.7.9.5