On Tue, Dec 01, 2015 at 12:03:14PM +0100, Boris Brezillon wrote:
> mtd_to_nand() now uses the container_of() approach to transform an
> mtd_info pointer into a nand_chip one. Drop useless mtd->priv
> assignments from NAND controller drivers.
>
> Signed-off-by: Boris Brezillon
Hi Boris,
On Tue, Dec 01, 2015 at 12:03:09PM +0100, Boris Brezillon wrote:
> struct nand_chip now embeds an mtd device. Patch all drivers to make use
> of this mtd instance instead of using the instance embedded in their
> private struct or dynamically allocated.
>
> Signed-off-by: Boris
On Tue, Dec 01, 2015 at 12:03:09PM +0100, Boris Brezillon wrote:
> struct nand_chip now embeds an mtd device. Patch all drivers to make use
> of this mtd instance instead of using the instance embedded in their
> private struct or dynamically allocated.
>
> Signed-off-by: Boris Brezillon
On 02.12.2015 04:12, Martyn Welch wrote:
> The peach pi has a GPIO connected to the firmware write protect, developer
> mode and recovery mode lines. This patch adds the required nodes to the
> device tree to configure the pinmuxing and allow these to be read from
> user space.
>
> Cc: Rob
Hi Kukjin,
This may conflict with other arm-soc updates...
Best regards,
Krzysztof
The following changes since commit 8005c49d9aea74d382f474ce11afbbc7d7130bec:
Linux 4.4-rc1 (2015-11-15 17:00:27 -0800)
are available in the git repository at:
Hi Kukjin,
Dependency for soc64 changes.
Best regards,
Krzysztof
The following changes since commit 8005c49d9aea74d382f474ce11afbbc7d7130bec:
Linux 4.4-rc1 (2015-11-15 17:00:27 -0800)
are available in the git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git
Hi Kukjin,
ARM64 change touch also defconfig.
Best regards,
Krzysztof
The following changes since commit 8005c49d9aea74d382f474ce11afbbc7d7130bec:
Linux 4.4-rc1 (2015-11-15 17:00:27 -0800)
are available in the git repository at:
Hi Andrzej,
2015년 11월 27일 23:32에 Andrzej Hajda 이(가) 쓴 글:
> PM ops in exynos_drm_drv were split into two separate function as they were
> used also by drm device. Since PM ops have been removed from drm device, the
> functions can be merged together.
>
> Signed-off-by: Andrzej Hajda
Hi Kukjin,
This is also clock dependency. I put it in separate tag in case clock
folks want to pull it also.
Best regards,
Krzysztof
The following changes since commit 8005c49d9aea74d382f474ce11afbbc7d7130bec:
Linux 4.4-rc1 (2015-11-15 17:00:27 -0800)
are available in the git repository
Hi Rob,
I'm sorry for delay reply due to the problem of email system
on the company.
On 2015년 12월 01일 06:14, Rob Herring wrote:
> On Thu, Nov 26, 2015 at 10:47:33PM +0900, Chanwoo Choi wrote:
>> This patch updates the documentation for passive bus devices and adds the
>> detailed example of
Hi Kukjin,
Pinctrl for v4.5.
Best regards,
Krzysztof
The following changes since commit 8005c49d9aea74d382f474ce11afbbc7d7130bec:
Linux 4.4-rc1 (2015-11-15 17:00:27 -0800)
are available in the git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git
Hi Kukjin,
SoC/mach specific code.
Best regards,
Krzysztof
The following changes since commit 8005c49d9aea74d382f474ce11afbbc7d7130bec:
Linux 4.4-rc1 (2015-11-15 17:00:27 -0800)
are available in the git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git
Hi Kukjin,
The DT changes are needed before switching to syscon-based reboot
and power off method.
Best regards,
Krzysztof
The following changes since commit 8005c49d9aea74d382f474ce11afbbc7d7130bec:
Linux 4.4-rc1 (2015-11-15 17:00:27 -0800)
are available in the git repository at:
Actually reset/power off handlers do not really depend on power supply.
Move the power reset out of power supply block so it will appear in main
drivers section. This fixes following build warning (encountered on ARM
exynos defconfig when POWER_SUPPLY is disabled manually):
warning: (ARCH_HISI &&
POWER_AVS can be selected from top-drivers menu and it does not depend
on POWER_SUPPLY. However in such case (POWER_SUPPLY is not enabled) all
objects will be skipped by make.
Signed-off-by: Krzysztof Kozlowski
---
drivers/Makefile | 1 +
drivers/power/Makefile |
This patchset fixes mysterious boot hang on Exynos 4210 SoCs, when IOMMU
is enabled. There is no direct dependency between IOMMU devices and
MDMA1. However enabling IOMMU changes the device probe order, what
results in LCD0 power domain being turned off for some time. During that
time the
To read pid/cid registers, the probed device need to be properly turned on.
When it is inside a power domain, the bus code should ensure that the
given power domain is enabled before trying to access device's registers.
Signed-off-by: Marek Szyprowski
Reviewed-by: Ulf
From: Tomeu Vizoso
Reading the periphid when the Primecell device is registered means that
the apb pclk must be available by then or the device won't be registered
at all.
By reading the periphid in amba_match() we can return -EPROBE_DEFER if
the apb pclk isn't there
From: Tomeu Vizoso
Allow implementations of the match() callback in struct bus_type to
return errors and if it's -EPROBE_DEFER then queue the device for
deferred probing.
This is useful to buses such as AMBA in which devices are registered
before their matching
On 01.12.2015 18:03, Pavel Fedin wrote:
> Hello!
>
> Tested it on top of 4.4-rc3.
>
>> diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
>> index 3a10f1a8317a..d279edf9b10d 100644
>> --- a/arch/arm/mach-exynos/Kconfig
>> +++ b/arch/arm/mach-exynos/Kconfig
>> @@ -27,6
The peach pi has a GPIO connected to the firmware write protect, developer
mode and recovery mode lines. This patch adds the required nodes to the
device tree to configure the pinmuxing and allow these to be read from
user space.
Cc: Rob Herring
Cc: Pawel Moll
Hello,
On 2015-11-30 14:36, Ulf Hansson wrote:
On 26 November 2015 at 13:49, Marek Szyprowski wrote:
From: Tomeu Vizoso
Lets implementations of the match() callback in struct bus_type to
/s/Lets/Allow
return errors and if it's
Add two helpers to access the field reserved for private controller data.
This makes it clearer what this field is reserved for and ease future
refactoring.
Signed-off-by: Boris Brezillon
---
include/linux/mtd/nand.h | 10 ++
1 file changed, 10
nand_dt_init() function requires 3 arguments where it actually needs one
(dn and mtd can both be retrieved from chip). Drop these parameters.
Testing for dn != NULL inside nand_dt_init() also helps simplifying the
caller code.
Signed-off-by: Boris Brezillon
Now that the nand_chip struct directly embeds an mtd_info struct we can
get rid of the ->flash_node field and forward set/get_flash_node requests
to the MTD layer.
As a side effect, we no longer need the mtd_set_of_node() call done in
nand_dt_init().
Signed-off-by: Boris Brezillon
mtd_to_nand() now uses the container_of() approach to transform an
mtd_info pointer into a nand_chip one. Drop useless mtd->priv
assignments from NAND controller drivers.
Signed-off-by: Boris Brezillon
---
Patch generated with the following coccinelle script:
New helpers have been added to avoid directly accessing chip->field. Use
them where appropriate.
Signed-off-by: Boris Brezillon
---
arch/arm/mach-ixp4xx/ixdp425-setup.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git
On 1 December 2015 at 14:34, Marek Szyprowski wrote:
> From: Tomeu Vizoso
>
> Allow implementations of the match() callback in struct bus_type to
> return errors and if it's -EPROBE_DEFER then queue the device for
> deferred probing.
>
> This
On 1 December 2015 at 14:34, Marek Szyprowski wrote:
> To read pid/cid registers, the probed device need to be properly turned on.
> When it is inside a power domain, the bus code should ensure that the
> given power domain is enabled before trying to access device's
On 1 December 2015 at 14:34, Marek Szyprowski wrote:
> From: Tomeu Vizoso
>
> Reading the periphid when the Primecell device is registered means that
> the apb pclk must be available by then or the device won't be registered
> at all.
>
> By
On Tuesday 01 December 2015 09:34:18 Krzysztof Kozlowski wrote:
> On 26.11.2015 01:06, Arnd Bergmann wrote:
> > diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
> > index 57729b915003..83697414bfa0 100644
> > --- a/arch/arm/plat-samsung/Kconfig
> > +++
On Tuesday 01 December 2015 09:24:24 Krzysztof Kozlowski wrote:
> > +static struct platform_driver smartq_driver = {
> > + .driver = {
> > + .name = "smartq-audio",
> > + .owner = THIS_MODULE,
>
> The owner should not be needed (coccicheck should also complain). Rest
>
On Tue, Dec 01, 2015 at 02:34:25PM +0100, Marek Szyprowski wrote:
> From: Tomeu Vizoso
>
> Reading the periphid when the Primecell device is registered means that
> the apb pclk must be available by then or the device won't be registered
> at all.
>
> By reading the
struct nand_chip now embeds an mtd device. Patch all drivers to make use
of this mtd instance instead of using the instance embedded in their
private struct or dynamically allocated.
Signed-off-by: Boris Brezillon
---
Most of those changes were generated with
New helpers have been added to avoid directly accessing chip->field. Use
them where appropriate.
Signed-off-by: Boris Brezillon
---
drivers/staging/mt29f_spinand/mt29f_spinand.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git
mtd_to_nand() was recently introduced to avoid direct accesses to the
mtd->priv field. Update all ARM specific implementations to use this
helper.
Signed-off-by: Boris Brezillon
---
arch/arm/mach-ep93xx/snappercl15.c | 4 ++--
arch/arm/mach-ep93xx/ts72xx.c
Hello,
This huge series aims at clarifying the relationship between the mtd and
nand_chip structures and hiding NAND framework internals to NAND
controller drivers.
The first part of the series provide an mtd_to_nand() helper to hide the
way mtd and nand_chip are linked together.
The second
Hi Boris,
[auto build test ERROR on next-20151127]
[cannot apply to mtd/master v4.4-rc3 v4.4-rc2 v4.4-rc1 v4.4-rc3]
url:
https://github.com/0day-ci/linux/commits/Boris-Brezillon/mtd-nand-refactor-the-NAND-subsystem-part-1/20151201-190822
config: arm-imx_v6_v7_defconfig (attached as .config
[...]
>>> @@ -500,8 +501,17 @@ static int __device_attach_driver(struct
>>> device_driver *drv, void *_data)
>>> if (dev->driver)
>>> return -EBUSY;
>>>
>>> - if (!driver_match_device(drv, dev))
>>> + ret = driver_match_device(drv, dev);
>>> + if (!ret)
Add a new helper to retrieve the MTD device attached to a NAND chip.
Signed-off-by: Boris Brezillon
---
include/linux/mtd/nand.h | 5 +
1 file changed, 5 insertions(+)
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index
On Tue, 1 Dec 2015, Boris Brezillon wrote:
> Add nand-priv-no-mtd.cocci to detect and correct NAND controller drivers
> directly embedding an mtd_info struct in their private struct.
>
> Signed-off-by: Boris Brezillon
> Cc: Julia Lawall
mtd_to_nand() now uses the container_of() approach to transform an
mtd_info pointer into a nand_chip one. Drop useless mtd->priv
assignments from NAND controller drivers.
Signed-off-by: Boris Brezillon
---
Patch generated with the following coccinelle script:
The MTD device is now directly embedded in the nand_chip struct. Update the
mtdnand documentation to mention this aspect and fix the different
examples.
Signed-off-by: Boris Brezillon
---
Documentation/DocBook/mtdnand.tmpl | 31 +++
Now that all drivers are using the mtd instance embedded in the nand_chip
struct we can safely update the mtd_to_nand() implementation to use
the container_of macro instead of returning the content of mtd->priv.
This will allow us to remove mtd->priv = chip assignments done in all
NAND controller
mtd_to_nand() now uses the container_of() approach to transform an
mtd_info pointer into a nand_chip one. Drop useless mtd->priv
assignments from NAND controller drivers.
Signed-off-by: Boris Brezillon
---
Patch generated with the following coccinelle script:
mtd_to_nand() was recently introduced to avoid direct accesses to the
mtd->priv field. Update all MIPS specific implementations to use this
helper.
Signed-off-by: Boris Brezillon
---
arch/mips/alchemy/devboards/db1200.c | 2 +-
mtd_to_nand() was recently introduced to avoid direct accesses to the
mtd->priv field. Update all SH specific implementations to use this
helper.
Signed-off-by: Boris Brezillon
---
arch/sh/boards/mach-migor/setup.c | 2 +-
1 file changed, 1 insertion(+), 1
mtd_to_nand() was recently introduced to avoid direct accesses to the
mtd->priv field. Update all blackfin specific implementations to use
this helper.
Signed-off-by: Boris Brezillon
---
arch/blackfin/mach-bf537/boards/stamp.c | 2 +-
mtd_to_nand() was recently introduced to avoid direct accesses to the
mtd->priv field. Update all CRIS specific implementations to use this
helper.
Signed-off-by: Boris Brezillon
---
arch/cris/arch-v32/drivers/mach-a3/nandflash.c | 2 +-
mtd_to_nand() was recently introduced to avoid direct access to the
mtd->priv field. Update core code to use mtd_to_nand().
Signed-off-by: Boris Brezillon
---
drivers/mtd/nand/nand_base.c | 84 ++--
Add nand-priv-no-mtd.cocci to detect and correct NAND controller drivers
directly embedding an mtd_info struct in their private struct.
Signed-off-by: Boris Brezillon
Cc: Julia Lawall
---
Hi Julia,
Not sure this is the correct way to
mtd_to_nand() was recently introduced to avoid direct accesses to the
mtd->priv field. Use it where appropriate.
Signed-off-by: Boris Brezillon
---
drivers/staging/mt29f_spinand/mt29f_spinand.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff
struct nand_chip now embeds an mtd device, use it instead of allocating
a new one.
Signed-off-by: Boris Brezillon
---
drivers/staging/mt29f_spinand/mt29f_spinand.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git
Currently all NAND controller drivers are providing both the mtd_info and
nand_chip struct and then let the NAND subsystem to initialize a few
things before registering the mtd instance to the MTD layer.
Embed an mtd_info field into nand_chip to add some consistency to all NAND
controller drivers.
Hi,
On Tue, 1 Dec 2015 12:17:44 +0100 (CET)
Julia Lawall wrote:
>
>
> On Tue, 1 Dec 2015, Boris Brezillon wrote:
>
> > Add nand-priv-no-mtd.cocci to detect and correct NAND controller drivers
> > directly embedding an mtd_info struct in their private struct.
> >
> >
From: Tomeu Vizoso
Reading the periphid when the Primecell device is registered means that
the apb pclk must be available by then or the device won't be registered
at all.
By reading the periphid in amba_match() we can return -EPROBE_DEFER if
the apb pclk isn't there
This patchset fixes mysterious boot hang on Exynos 4210 SoCs, when IOMMU
is enabled. There is no direct dependency between IOMMU devices and
MDMA1. However enabling IOMMU changes the device probe order, what
results in LCD0 power domain being turned off for some time. During that
time the
To read pid/cid registers, the probed device need to be properly turned on.
When it is inside a power domain, the bus code should ensure that the
given power domain is enabled before trying to access device's registers.
Signed-off-by: Marek Szyprowski
---
From: Tomeu Vizoso
Allow implementations of the match() callback in struct bus_type to
return errors and if it's -EPROBE_DEFER then queue the device for
deferred probing.
This is useful to buses such as AMBA in which devices are registered
before their matching
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