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SubjectRe: [PATCH 05/10] omap mailbox: fix empty struct device for omap1
From
From: ext Russell King - ARM Linux <linux@arm.linux.org.uk>
Subject: Re: [PATCH 05/10] omap mailbox: fix empty struct device for omap1
Date: Wed, 28 Jan 2009 18:50:43 +0100

> On Wed, Jan 28, 2009 at 05:29:51PM +0200, Hiroshi DOYU wrote:
> > diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
> > index 44e9101..af32db0 100644
> > --- a/arch/arm/mach-omap2/mailbox.c
> > +++ b/arch/arm/mach-omap2/mailbox.c
> > @@ -14,7 +14,9 @@
> > #include <linux/clk.h>
> > #include <linux/err.h>
> > #include <linux/platform_device.h>
> > -#include <linux/io.h>
> > +
> > +#include <asm/io.h>
> > +
>
> NAK.
>
> > diff --git a/arch/arm/mach-omap1/mailbox.c b/arch/arm/mach-omap1/mailbox.c
> > index 59abbf3..92a90be 100644
> > --- a/arch/arm/mach-omap1/mailbox.c
> > +++ b/arch/arm/mach-omap1/mailbox.c
> > @@ -1,7 +1,7 @@
> > /*
> > * Mailbox reservation modules for DSP
> > *
> > - * Copyright (C) 2006 Nokia Corporation
> > + * Copyright (C) 2006-2009 Nokia Corporation
> > * Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
> > *
> > * This file is subject to the terms and conditions of the GNU General Public
> > @@ -13,7 +13,9 @@
> > #include <linux/resource.h>
> > #include <linux/interrupt.h>
> > #include <linux/platform_device.h>
> > -#include <linux/io.h>
> > +
> > +#include <asm/io.h>
> > +
>
> NAK.
>
> See fced80c735941fa518ac67c0b61bbe153fb8c050.
>
> The above can not be explained by a mis-merge - they are not a mere
> reversion of the above change. They look like a purposeful change
> back to the wrong include file.

It seems that I misunderstood your comment in the following mail.

http://lkml.indiana.edu/hypermail/linux/kernel/0901.2/00610.html

Reverted both header file changes. Update attached patches.
From f0bd423fbd7401bbd491a0ebc6393eec230e6b14 Mon Sep 17 00:00:00 2001
From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Wed, 28 Jan 2009 21:19:02 +0200
Subject: [PATCH 06/10] omap mailbox: fix empty struct device for omap2

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
---
arch/arm/mach-omap2/devices.c | 2 +-
arch/arm/mach-omap2/mailbox.c | 13 +++++++------
2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 0da2640..2a14084 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -61,7 +61,7 @@ static struct resource omap3_mbox_resources[] = {
};

static struct platform_device mbox_device = {
- .name = "mailbox",
+ .name = "omap2-mailbox",
.id = -1,
};

diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 44e9101..0b8476b 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -234,7 +234,7 @@ static struct omap_mbox mbox_iva_info = {
};
#endif

-static int __init omap2_mbox_probe(struct platform_device *pdev)
+static int __devinit omap2_mbox_probe(struct platform_device *pdev)
{
struct resource *res;
int ret;
@@ -257,7 +257,7 @@ static int __init omap2_mbox_probe(struct platform_device *pdev)
goto err_dsp;
}

- ret = omap_mbox_register(&mbox_dsp_info);
+ ret = omap_mbox_register(&pdev->dev, &mbox_dsp_info);
if (ret)
goto err_dsp;

@@ -271,7 +271,7 @@ static int __init omap2_mbox_probe(struct platform_device *pdev)
goto err_iva1;
}
mbox_iva_info.irq = res->start;
- ret = omap_mbox_register(&mbox_iva_info);
+ ret = omap_mbox_register(&pdev->dev, &mbox_iva_info);
if (ret)
goto err_iva1;
}
@@ -285,7 +285,7 @@ err_dsp:
return ret;
}

-static int omap2_mbox_remove(struct platform_device *pdev)
+static int __devexit omap2_mbox_remove(struct platform_device *pdev)
{
#if defined(CONFIG_ARCH_OMAP2420)
omap_mbox_unregister(&mbox_iva_info);
@@ -297,9 +297,9 @@ static int omap2_mbox_remove(struct platform_device *pdev)

static struct platform_driver omap2_mbox_driver = {
.probe = omap2_mbox_probe,
- .remove = omap2_mbox_remove,
+ .remove = __devexit_p(omap2_mbox_remove),
.driver = {
- .name = "mailbox",
+ .name = "omap2-mailbox",
},
};

@@ -319,3 +319,4 @@ module_exit(omap2_mbox_exit);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("omap mailbox: omap2/3 architecture specific functions");
MODULE_AUTHOR("Hiroshi DOYU <Hiroshi.DOYU@nokia.com>, Paul Mundt");
+MODULE_ALIAS("platform:omap2-mailbox");
--
1.6.1.rc4
From f6efca787d09564c0cfd8ad1cb21d29213df8862 Mon Sep 17 00:00:00 2001
From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Wed, 28 Jan 2009 21:18:07 +0200
Subject: [PATCH 05/10] omap mailbox: fix empty struct device for omap1

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
---
arch/arm/mach-omap1/devices.c | 2 +-
arch/arm/mach-omap1/mailbox.c | 29 +++++++++++++++--------------
2 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 77382d8..b4b6106 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -86,7 +86,7 @@ static struct resource mbox_resources[] = {
};

static struct platform_device mbox_device = {
- .name = "mailbox",
+ .name = "omap1-mailbox",
.id = -1,
.num_resources = ARRAY_SIZE(mbox_resources),
.resource = mbox_resources,
diff --git a/arch/arm/mach-omap1/mailbox.c b/arch/arm/mach-omap1/mailbox.c
index 59abbf3..0af4d6c 100644
--- a/arch/arm/mach-omap1/mailbox.c
+++ b/arch/arm/mach-omap1/mailbox.c
@@ -1,7 +1,7 @@
/*
* Mailbox reservation modules for DSP
*
- * Copyright (C) 2006 Nokia Corporation
+ * Copyright (C) 2006-2009 Nokia Corporation
* Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
*
* This file is subject to the terms and conditions of the GNU General Public
@@ -27,7 +27,7 @@
#define MAILBOX_DSP2ARM1_Flag 0x1c
#define MAILBOX_DSP2ARM2_Flag 0x20

-unsigned long mbox_base;
+static void __iomem *mbox_base;

struct omap_mbox1_fifo {
unsigned long cmd;
@@ -40,14 +40,14 @@ struct omap_mbox1_priv {
struct omap_mbox1_fifo rx_fifo;
};

-static inline int mbox_read_reg(unsigned int reg)
+static inline int mbox_read_reg(size_t ofs)
{
- return __raw_readw(mbox_base + reg);
+ return __raw_readw(mbox_base + ofs);
}

-static inline void mbox_write_reg(unsigned int val, unsigned int reg)
+static inline void mbox_write_reg(u32 val, size_t ofs)
{
- __raw_writew(val, mbox_base + reg);
+ __raw_writew(val, mbox_base + ofs);
}

/* msg */
@@ -143,7 +143,7 @@ struct omap_mbox mbox_dsp_info = {
};
EXPORT_SYMBOL(mbox_dsp_info);

-static int __init omap1_mbox_probe(struct platform_device *pdev)
+static int __devinit omap1_mbox_probe(struct platform_device *pdev)
{
struct resource *res;
int ret = 0;
@@ -170,12 +170,10 @@ static int __init omap1_mbox_probe(struct platform_device *pdev)
}
mbox_dsp_info.irq = res->start;

- ret = omap_mbox_register(&mbox_dsp_info);
-
- return ret;
+ return omap_mbox_register(&pdev->dev, &mbox_dsp_info);
}

-static int omap1_mbox_remove(struct platform_device *pdev)
+static int __devexit omap1_mbox_remove(struct platform_device *pdev)
{
omap_mbox_unregister(&mbox_dsp_info);

@@ -184,9 +182,9 @@ static int omap1_mbox_remove(struct platform_device *pdev)

static struct platform_driver omap1_mbox_driver = {
.probe = omap1_mbox_probe,
- .remove = omap1_mbox_remove,
+ .remove = __devexit_p(omap1_mbox_remove),
.driver = {
- .name = "mailbox",
+ .name = "omap1-mailbox",
},
};

@@ -203,4 +201,7 @@ static void __exit omap1_mbox_exit(void)
module_init(omap1_mbox_init);
module_exit(omap1_mbox_exit);

-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("omap mailbox: omap1 architecture specific functions");
+MODULE_AUTHOR("Hiroshi DOYU" <Hiroshi.DOYU@nokia.com>);
+MODULE_ALIAS("platform:omap1-mailbox");
--
1.6.1.rc4
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