diff mbox

misc: (at24) move header to linux/platform_data/

Message ID 1377283100-10390-1-git-send-email-vivien.didelot@savoirfairelinux.com
State Superseded
Headers show

Commit Message

Vivien Didelot Aug. 23, 2013, 6:38 p.m. UTC 
This patch moves the at24.h header from include/linux/i2c to
include/linux/platform_data and updates existing support accordingly.

It also fixes the following checkpatch warning:

    WARNING: please, no space before tabs
    #436: FILE: include/linux/platform_data/at24.h:31:
    + * ^Iu8 *mac_addr = ethernet_pdata->mac_addr;$

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
 MAINTAINERS                                |  2 +-
 arch/arm/mach-at91/board-sam9260ek.c       |  2 +-
 arch/arm/mach-at91/board-sam9263ek.c       |  2 +-
 arch/arm/mach-davinci/board-da830-evm.c    |  2 +-
 arch/arm/mach-davinci/board-da850-evm.c    |  2 +-
 arch/arm/mach-davinci/board-dm365-evm.c    |  2 +-
 arch/arm/mach-davinci/board-dm644x-evm.c   |  2 +-
 arch/arm/mach-davinci/board-dm646x-evm.c   |  2 +-
 arch/arm/mach-davinci/board-mityomapl138.c |  2 +-
 arch/arm/mach-davinci/board-sffsdr.c       |  2 +-
 arch/arm/mach-imx/mach-pca100.c            |  2 +-
 arch/arm/mach-imx/mach-pcm037.c            |  2 +-
 arch/arm/mach-imx/mach-pcm038.c            |  2 +-
 arch/arm/mach-imx/mach-pcm043.c            |  2 +-
 arch/arm/mach-imx/mach-vpr200.c            |  2 +-
 arch/arm/mach-kirkwood/lacie_v2-common.c   |  2 +-
 arch/arm/mach-omap1/board-osk.c            |  2 +-
 arch/arm/mach-omap2/board-cm-t35.c         |  2 +-
 arch/arm/mach-omap2/board-h4.c             |  2 +-
 arch/arm/mach-omap2/board-omap3stalker.c   |  2 +-
 arch/arm/mach-pxa/stargate2.c              |  2 +-
 arch/arm/mach-s3c24xx/mach-mini2440.c      |  2 +-
 drivers/misc/eeprom/at24.c                 |  2 +-
 include/linux/i2c/at24.h                   | 55 ------------------------------
 include/linux/platform_data/at24.h         | 55 ++++++++++++++++++++++++++++++
 25 files changed, 78 insertions(+), 78 deletions(-)
 delete mode 100644 include/linux/i2c/at24.h
 create mode 100644 include/linux/platform_data/at24.h

Comments

Wolfram Sang Aug. 23, 2013, 7:02 p.m. UTC | #1 
On Fri, Aug 23, 2013 at 02:38:20PM -0400, Vivien Didelot wrote:
> This patch moves the at24.h header from include/linux/i2c to
> include/linux/platform_data and updates existing support accordingly.

This message explains what the patch does but not why the change is
wanted. I'd be surprised if we really want *all* platform_data in one
single directory? Is this patch part of a bigger series? That being said
i2c is not the best place for this include, in deed...
Vivien Didelot Aug. 23, 2013, 7:19 p.m. UTC | #2 
Wolfram wrote:

> On Fri, Aug 23, 2013 at 02:38:20PM -0400, Vivien Didelot wrote:
> > This patch moves the at24.h header from include/linux/i2c to
> > include/linux/platform_data and updates existing support
> > accordingly.
> 
> This message explains what the patch does but not why the change is
> wanted. I'd be surprised if we really want *all* platform_data in one
> single directory?

IMHO it makes sense. Why wouldn't we want all platform_data in
include/linux/platform_data/?

> Is this patch part of a bigger series?
No.

> That being said i2c is not the best place for this include, in deed...
I agree.

Thanks,
Vivien
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Alexander Shiyan Aug. 23, 2013, 7:26 p.m. UTC | #3 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Vivien Didelot Aug. 23, 2013, 7:40 p.m. UTC | #4 
Hi,

Alexander wrote:
> Can this file be additionally renamed to misc-at24.h to reflect
> belongs to a particular subsystem?

I'm not sure about that. Having the subsystem name at the beginning of
the file doesn't seem to be a convention for all subsystems. For
instance, this is true for gpio, spi or leds, but not for hwmon.
Actually, I would stick with the corresponding subsystem naming, here:
at24.c -> at24.h.

Regards,
Vivien
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Wolfram Sang Aug. 23, 2013, 8:11 p.m. UTC | #5 
> > This message explains what the patch does but not why the change is
> > wanted. I'd be surprised if we really want *all* platform_data in one
> > single directory?
> 
> IMHO it makes sense. Why wouldn't we want all platform_data in
> include/linux/platform_data/?

For the same reason we don't want all driver source files in one
directory? It's a mess.
Vivien Didelot Aug. 23, 2013, 8:45 p.m. UTC | #6 
Wolfram wrote:

> > IMHO it makes sense. Why wouldn't we want all platform_data in
> > include/linux/platform_data/?
> 
> For the same reason we don't want all driver source files in one
> directory? It's a mess.

Well, that's different. Not all drivers expose platform data, but many
subsystems have drivers with platform data. A common include directory
for the *_platform_data structure definitions makes sense.

Regards,
Vivien
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Vivien Didelot Sept. 26, 2013, 8:09 p.m. UTC | #7 
Hi Wolfram,

> Wolfram wrote:
> 
> > > IMHO it makes sense. Why wouldn't we want all platform_data in
> > > include/linux/platform_data/?
> > 
> > For the same reason we don't want all driver source files in one
> > directory? It's a mess.
> 
> Well, that's different. Not all drivers expose platform data, but
> many subsystems have drivers with platform data. A common include
> directory for the *_platform_data structure definitions makes sense.

Also IMO having such header file in include/linux/i2c/ for a driver
declared in drivers/misc/eeprom/ is not very consistent.
So this is the purpose of this include directory. What do you think?

Best,
Vivien
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Wolfram Sang Sept. 27, 2013, 4:32 p.m. UTC | #8 
On Thu, Sep 26, 2013 at 04:09:12PM -0400, Vivien Didelot wrote:
> Hi Wolfram,
> 
> > Wolfram wrote:
> > 
> > > > IMHO it makes sense. Why wouldn't we want all platform_data in
> > > > include/linux/platform_data/?
> > > 
> > > For the same reason we don't want all driver source files in one
> > > directory? It's a mess.
> > 
> > Well, that's different. Not all drivers expose platform data, but
> > many subsystems have drivers with platform data. A common include
> > directory for the *_platform_data structure definitions makes sense.
> 
> Also IMO having such header file in include/linux/i2c/ for a driver
> declared in drivers/misc/eeprom/ is not very consistent.
> So this is the purpose of this include directory. What do you think?

Well, yes, I will apply it if you could rebase it onto v3.12-rc2. I am
unsure about the platform_data dir in general, though. For example, I'd
prefer to have the i2c-* files in the i2c-dir, but this is another
question.

Thanks,

   Wolfram
diff mbox

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index 8197fbd..9a6a52f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1382,7 +1382,7 @@  M:	Wolfram Sang <wsa@the-dreams.de>
 L:	linux-i2c@vger.kernel.org
 S:	Maintained
 F:	drivers/misc/eeprom/at24.c
-F:	include/linux/i2c/at24.h
+F:	include/linux/platform_data/at24.h
 
 ATA OVER ETHERNET (AOE) DRIVER
 M:	"Ed L. Cashin" <ecashin@coraid.com>
diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c
index 0b153c8..f4f8735 100644
--- a/arch/arm/mach-at91/board-sam9260ek.c
+++ b/arch/arm/mach-at91/board-sam9260ek.c
@@ -28,7 +28,7 @@ 
 #include <linux/spi/spi.h>
 #include <linux/spi/at73c213.h>
 #include <linux/clk.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 3284df0..947e134 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -27,7 +27,7 @@ 
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/fb.h>
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 1332de8..d509798 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -17,7 +17,7 @@ 
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
 #include <linux/i2c/pcf857x.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/spi/spi.h>
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index bea6793..ee81ca2 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -18,7 +18,7 @@ 
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/i2c/pca953x.h>
 #include <linux/input.h>
 #include <linux/input/tps6507x-ts.h>
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 4cdb61c..eee6c45 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -18,7 +18,7 @@ 
 #include <linux/i2c.h>
 #include <linux/io.h>
 #include <linux/clk.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/leds.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index fa4bfaf..032fb04 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -15,7 +15,7 @@ 
 #include <linux/gpio.h>
 #include <linux/i2c.h>
 #include <linux/i2c/pcf857x.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 0c005e8..c8dbbe9 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -22,7 +22,7 @@ 
 #include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/i2c/pcf857x.h>
 
 #include <media/tvp514x.h>
diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c
index 9549d53..0b7f112 100644
--- a/arch/arm/mach-davinci/board-mityomapl138.c
+++ b/arch/arm/mach-davinci/board-mityomapl138.c
@@ -15,7 +15,7 @@ 
 #include <linux/mtd/partitions.h>
 #include <linux/regulator/machine.h>
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/etherdevice.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c
index 513eee1..c8c10e0 100644
--- a/arch/arm/mach-davinci/board-sffsdr.c
+++ b/arch/arm/mach-davinci/board-sffsdr.c
@@ -26,7 +26,7 @@ 
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
diff --git a/arch/arm/mach-imx/mach-pca100.c b/arch/arm/mach-imx/mach-pca100.c
index 19bb644..c5f9567 100644
--- a/arch/arm/mach-imx/mach-pca100.c
+++ b/arch/arm/mach-imx/mach-pca100.c
@@ -20,7 +20,7 @@ 
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/dma-mapping.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/eeprom.h>
diff --git a/arch/arm/mach-imx/mach-pcm037.c b/arch/arm/mach-imx/mach-pcm037.c
index bc0261e..20cc53f 100644
--- a/arch/arm/mach-imx/mach-pcm037.c
+++ b/arch/arm/mach-imx/mach-pcm037.c
@@ -23,7 +23,7 @@ 
 #include <linux/smsc911x.h>
 #include <linux/interrupt.h>
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/delay.h>
 #include <linux/spi/spi.h>
 #include <linux/irq.h>
diff --git a/arch/arm/mach-imx/mach-pcm038.c b/arch/arm/mach-imx/mach-pcm038.c
index e805ac2..592ddbe 100644
--- a/arch/arm/mach-imx/mach-pcm038.c
+++ b/arch/arm/mach-imx/mach-pcm038.c
@@ -18,7 +18,7 @@ 
  */
 
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/io.h>
 #include <linux/mtd/plat-ram.h>
 #include <linux/mtd/physmap.h>
diff --git a/arch/arm/mach-imx/mach-pcm043.c b/arch/arm/mach-imx/mach-pcm043.c
index b726cb1..ac504b6 100644
--- a/arch/arm/mach-imx/mach-pcm043.c
+++ b/arch/arm/mach-imx/mach-pcm043.c
@@ -24,7 +24,7 @@ 
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
 
diff --git a/arch/arm/mach-imx/mach-vpr200.c b/arch/arm/mach-imx/mach-vpr200.c
index 0910761..8825d12 100644
--- a/arch/arm/mach-imx/mach-vpr200.c
+++ b/arch/arm/mach-imx/mach-vpr200.c
@@ -29,7 +29,7 @@ 
 #include <asm/mach/time.h>
 
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/mfd/mc13xxx.h>
 
 #include "common.h"
diff --git a/arch/arm/mach-kirkwood/lacie_v2-common.c b/arch/arm/mach-kirkwood/lacie_v2-common.c
index 4894959..8e3e433 100644
--- a/arch/arm/mach-kirkwood/lacie_v2-common.c
+++ b/arch/arm/mach-kirkwood/lacie_v2-common.c
@@ -12,7 +12,7 @@ 
 #include <linux/spi/flash.h>
 #include <linux/spi/spi.h>
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/gpio.h>
 #include <asm/mach/time.h>
 #include <mach/kirkwood.h>
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index a7ce692..d68909b 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -300,7 +300,7 @@  static struct omap_lcd_config osk_lcd_config __initdata = {
 #ifdef	CONFIG_OMAP_OSK_MISTRAL
 
 #include <linux/input.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
 
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index d4622ed..55c6847 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -25,7 +25,7 @@ 
 #include <linux/gpio.h>
 #include <linux/platform_data/gpio-omap.h>
 
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/i2c/twl.h>
 #include <linux/regulator/fixed.h>
 #include <linux/regulator/machine.h>
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index 69c0acf..1275efc 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -20,7 +20,7 @@ 
 #include <linux/delay.h>
 #include <linux/workqueue.h>
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/input.h>
 #include <linux/err.h>
 #include <linux/clk.h>
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
index d37e6b1..d6ef8ea 100644
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -32,7 +32,7 @@ 
 #include <linux/spi/spi.h>
 #include <linux/interrupt.h>
 #include <linux/smsc911x.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/usb/phy.h>
 
 #include <asm/mach-types.h>
diff --git a/arch/arm/mach-pxa/stargate2.c b/arch/arm/mach-pxa/stargate2.c
index 62aea3e..01de542 100644
--- a/arch/arm/mach-pxa/stargate2.c
+++ b/arch/arm/mach-pxa/stargate2.c
@@ -27,7 +27,7 @@ 
 
 #include <linux/i2c/pxa-i2c.h>
 #include <linux/i2c/pcf857x.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/smc91x.h>
 #include <linux/gpio.h>
 #include <linux/leds.h>
diff --git a/arch/arm/mach-s3c24xx/mach-mini2440.c b/arch/arm/mach-s3c24xx/mach-mini2440.c
index a83db46..4a18d49 100644
--- a/arch/arm/mach-s3c24xx/mach-mini2440.c
+++ b/arch/arm/mach-s3c24xx/mach-mini2440.c
@@ -24,7 +24,7 @@ 
 #include <linux/io.h>
 #include <linux/serial_core.h>
 #include <linux/dm9000.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 #include <linux/platform_device.h>
 #include <linux/gpio_keys.h>
 #include <linux/i2c.h>
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 5d4fd69..4ef01ab 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -22,7 +22,7 @@ 
 #include <linux/jiffies.h>
 #include <linux/of.h>
 #include <linux/i2c.h>
-#include <linux/i2c/at24.h>
+#include <linux/platform_data/at24.h>
 
 /*
  * I2C EEPROMs from most vendors are inexpensive and mostly interchangeable.
diff --git a/include/linux/i2c/at24.h b/include/linux/i2c/at24.h
deleted file mode 100644
index 285025a..0000000
--- a/include/linux/i2c/at24.h
+++ /dev/null
@@ -1,55 +0,0 @@ 
-/*
- * at24.h - platform_data for the at24 (generic eeprom) driver
- * (C) Copyright 2008 by Pengutronix
- * (C) Copyright 2012 by Wolfram Sang
- * same license as the driver
- */
-
-#ifndef _LINUX_AT24_H
-#define _LINUX_AT24_H
-
-#include <linux/types.h>
-#include <linux/memory.h>
-
-/**
- * struct at24_platform_data - data to set up at24 (generic eeprom) driver
- * @byte_len: size of eeprom in byte
- * @page_size: number of byte which can be written in one go
- * @flags: tunable options, check AT24_FLAG_* defines
- * @setup: an optional callback invoked after eeprom is probed; enables kernel
-	code to access eeprom via memory_accessor, see example
- * @context: optional parameter passed to setup()
- *
- * If you set up a custom eeprom type, please double-check the parameters.
- * Especially page_size needs extra care, as you risk data loss if your value
- * is bigger than what the chip actually supports!
- *
- * An example in pseudo code for a setup() callback:
- *
- * void get_mac_addr(struct memory_accessor *mem_acc, void *context)
- * {
- * 	u8 *mac_addr = ethernet_pdata->mac_addr;
- *	off_t offset = context;
- *
- *	// Read MAC addr from EEPROM
- *	if (mem_acc->read(mem_acc, mac_addr, offset, ETH_ALEN) == ETH_ALEN)
- *		pr_info("Read MAC addr from EEPROM: %pM\n", mac_addr);
- * }
- *
- * This function pointer and context can now be set up in at24_platform_data.
- */
-
-struct at24_platform_data {
-	u32		byte_len;		/* size (sum of all addr) */
-	u16		page_size;		/* for writes */
-	u8		flags;
-#define AT24_FLAG_ADDR16	0x80	/* address pointer is 16 bit */
-#define AT24_FLAG_READONLY	0x40	/* sysfs-entry will be read-only */
-#define AT24_FLAG_IRUGO		0x20	/* sysfs-entry will be world-readable */
-#define AT24_FLAG_TAKE8ADDR	0x10	/* take always 8 addresses (24c00) */
-
-	void		(*setup)(struct memory_accessor *, void *context);
-	void		*context;
-};
-
-#endif /* _LINUX_AT24_H */
diff --git a/include/linux/platform_data/at24.h b/include/linux/platform_data/at24.h
new file mode 100644
index 0000000..c42aa89
--- /dev/null
+++ b/include/linux/platform_data/at24.h
@@ -0,0 +1,55 @@ 
+/*
+ * at24.h - platform_data for the at24 (generic eeprom) driver
+ * (C) Copyright 2008 by Pengutronix
+ * (C) Copyright 2012 by Wolfram Sang
+ * same license as the driver
+ */
+
+#ifndef _LINUX_AT24_H
+#define _LINUX_AT24_H
+
+#include <linux/types.h>
+#include <linux/memory.h>
+
+/**
+ * struct at24_platform_data - data to set up at24 (generic eeprom) driver
+ * @byte_len: size of eeprom in byte
+ * @page_size: number of byte which can be written in one go
+ * @flags: tunable options, check AT24_FLAG_* defines
+ * @setup: an optional callback invoked after eeprom is probed; enables kernel
+	code to access eeprom via memory_accessor, see example
+ * @context: optional parameter passed to setup()
+ *
+ * If you set up a custom eeprom type, please double-check the parameters.
+ * Especially page_size needs extra care, as you risk data loss if your value
+ * is bigger than what the chip actually supports!
+ *
+ * An example in pseudo code for a setup() callback:
+ *
+ * void get_mac_addr(struct memory_accessor *mem_acc, void *context)
+ * {
+ *	u8 *mac_addr = ethernet_pdata->mac_addr;
+ *	off_t offset = context;
+ *
+ *	// Read MAC addr from EEPROM
+ *	if (mem_acc->read(mem_acc, mac_addr, offset, ETH_ALEN) == ETH_ALEN)
+ *		pr_info("Read MAC addr from EEPROM: %pM\n", mac_addr);
+ * }
+ *
+ * This function pointer and context can now be set up in at24_platform_data.
+ */
+
+struct at24_platform_data {
+	u32		byte_len;		/* size (sum of all addr) */
+	u16		page_size;		/* for writes */
+	u8		flags;
+#define AT24_FLAG_ADDR16	0x80	/* address pointer is 16 bit */
+#define AT24_FLAG_READONLY	0x40	/* sysfs-entry will be read-only */
+#define AT24_FLAG_IRUGO		0x20	/* sysfs-entry will be world-readable */
+#define AT24_FLAG_TAKE8ADDR	0x10	/* take always 8 addresses (24c00) */
+
+	void		(*setup)(struct memory_accessor *, void *context);
+	void		*context;
+};
+
+#endif /* _LINUX_AT24_H */