[PATCH] um: Do not unlock mutex that is not hold.

Return error instead of trying to unlock a mutex that is not hold. Signed-off-by: Daniel Walter --- arch/um/drivers/ubd_kern.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index aca09be2373e..33c1cd6a12ac 100644

Re: [PATCH v2 02/46] mtd: nand: Provide nand_cleanup() function to free NAND related resources

Boris, On 09/21/2016 04:25 PM, Boris Brezillon wrote: > Daniel, Richard, > > On Wed, 21 Sep 2016 11:44:41 +0200 > Daniel Walter <dwal...@sigma-star.at> wrote: > >> From: Richard Weinberger <rich...@nod.at> >> >> Provide a nand_cleanup() function

Re: [PATCH v2 02/46] mtd: nand: Provide nand_cleanup() function to free NAND related resources

Boris, On 09/21/2016 04:25 PM, Boris Brezillon wrote: > Daniel, Richard, > > On Wed, 21 Sep 2016 11:44:41 +0200 > Daniel Walter wrote: > >> From: Richard Weinberger >> >> Provide a nand_cleanup() function to free all nand related resources >&g

Re: [PATCH v2 03/46] mtd: Don't unconditionally unregister reboot notifier

On 09/21/2016 04:31 PM, Boris Brezillon wrote: > On Wed, 21 Sep 2016 11:45:12 +0200 > Daniel Walter <dwal...@sigma-star.at> wrote: > >> From: Richard Weinberger <rich...@nod.at> >> >> del_mtd_device() is allowed to fail. >> i.e. when the MTD is busy

Re: [PATCH v2 03/46] mtd: Don't unconditionally unregister reboot notifier

On 09/21/2016 04:31 PM, Boris Brezillon wrote: > On Wed, 21 Sep 2016 11:45:12 +0200 > Daniel Walter wrote: > >> From: Richard Weinberger >> >> del_mtd_device() is allowed to fail. >> i.e. when the MTD is busy. >> Unregister the reboot notifier only when

[PATCH v2 39/46] mtd: nandsim: Rework init error paths

From: Richard Weinberger Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 97 +++--- 1 file changed, 57 insertions(+), 40 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c

[PATCH v2 41/46] mtd: nandsim: Expose support for weakpages/blocks to userspace

From: Richard Weinberger Allow users to define weakpages/blocks while creating a new nandsim instance. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 338 include/linux/mtd/nandsim.h | 7 +- 2

[PATCH v2 40/46] mtd: nandsim: Expose BBT, delays, etc.. to userspace

From: Richard Weinberger Allow userspace to define nandsim parameters like delays, bitflips, ... Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 43 --- include/linux/mtd/nandsim.h | 2 +- 2 files

[PATCH v2 45/46] mtd: nandsim: Always answer all 8 bytes from NAND_CMD_READID

From: Richard Weinberger nand base reads the full 8 byte NAND ID, no matter how many id bytes we have configured. So, instead of getting confused return all bytes even when they are not configured (0xff). Fixes error messages such as: nandsim: unexpected data output cycle,

[PATCH v2 39/46] mtd: nandsim: Rework init error paths

From: Richard Weinberger Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 97 +++--- 1 file changed, 57 insertions(+), 40 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 6b7570b..92f5efc 100644

[PATCH v2 41/46] mtd: nandsim: Expose support for weakpages/blocks to userspace

From: Richard Weinberger Allow users to define weakpages/blocks while creating a new nandsim instance. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 338 include/linux/mtd/nandsim.h | 7 +- 2 files changed, 285

[PATCH v2 40/46] mtd: nandsim: Expose BBT, delays, etc.. to userspace

From: Richard Weinberger Allow userspace to define nandsim parameters like delays, bitflips, ... Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 43 --- include/linux/mtd/nandsim.h | 2 +- 2 files changed, 37 insertions(+), 8

[PATCH v2 45/46] mtd: nandsim: Always answer all 8 bytes from NAND_CMD_READID

From: Richard Weinberger nand base reads the full 8 byte NAND ID, no matter how many id bytes we have configured. So, instead of getting confused return all bytes even when they are not configured (0xff). Fixes error messages such as: nandsim: unexpected data output cycle, state is STATE_READY

[PATCH v2 43/46] mtd: nandsim: Wire up NANDSIM_IOC_NEW_INSTANCE

From: Richard Weinberger Since we have now all what we need we can arm NANDSIM_IOC_NEW_INSTANCE. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 31 --- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git

[PATCH v2 44/46] mtd: nandsim: Wire up NANDSIM_IOC_DESTROY_INSTANCE

From: Richard Weinberger The logic for destroying nandsim instances now also ready. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 13 + 1 file changed, 13 insertions(+) diff --git a/drivers/mtd/nand/nandsim.c

[PATCH v2 46/46] mtd/nandsim: Add ioctl for info

Add a ioctl() call for nandsim information. This information includes, nand id, backend type and path to the file if the file backend is used Signed-off-by: Daniel Walter <dwal...@sigma-star.at> --- drivers/mtd/nand/nandsim.c | 65 + include/ua

[PATCH v2 42/46] mtd: nandsim: Don't printk on ENOMEM

From: Richard Weinberger Memory allocation failures are tabu, we don't talk about them. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 37 + 1 file changed, 9 insertions(+), 28 deletions(-) diff --git

[PATCH v2 43/46] mtd: nandsim: Wire up NANDSIM_IOC_NEW_INSTANCE

From: Richard Weinberger Since we have now all what we need we can arm NANDSIM_IOC_NEW_INSTANCE. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 31 --- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c

[PATCH v2 44/46] mtd: nandsim: Wire up NANDSIM_IOC_DESTROY_INSTANCE

From: Richard Weinberger The logic for destroying nandsim instances now also ready. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 13 + 1 file changed, 13 insertions(+) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index

[PATCH v2 46/46] mtd/nandsim: Add ioctl for info

Add a ioctl() call for nandsim information. This information includes, nand id, backend type and path to the file if the file backend is used Signed-off-by: Daniel Walter --- drivers/mtd/nand/nandsim.c | 65 + include/uapi/mtd/nandsim-user.h | 11

[PATCH v2 42/46] mtd: nandsim: Don't printk on ENOMEM

From: Richard Weinberger Memory allocation failures are tabu, we don't talk about them. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 37 + 1 file changed, 9 insertions(+), 28 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c

[PATCH v2 33/46] mtd: nandsim: Relax page size restrictions

From: Richard Weinberger Allow any page size as long it is a power of two and less than KMALLOC_MAX_SIZE. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 26 +- 1 file changed, 13 insertions(+), 13 deletions(-) diff

[PATCH v2 33/46] mtd: nandsim: Relax page size restrictions

From: Richard Weinberger Allow any page size as long it is a power of two and less than KMALLOC_MAX_SIZE. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 26 +- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git

[PATCH v2 37/46] mtd: nandsim: Turn parts[] into a integer

From: Richard Weinberger The parts array denotes how many erase blocks each partition has. Therefore a plain integer can also do it. If someone shows me a NAND with more than 2^32 erase blocks we can turn it back into a long. ;) Signed-off-by: Richard Weinberger

[PATCH v2 37/46] mtd: nandsim: Turn parts[] into a integer

From: Richard Weinberger The parts array denotes how many erase blocks each partition has. Therefore a plain integer can also do it. If someone shows me a NAND with more than 2^32 erase blocks we can turn it back into a long. ;) Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c

[PATCH v2 30/46] mtd: nandsim: Use pr_ style logging

From: Richard Weinberger These days we have CONFIG_DYNAMIC_DEBUG and stuff, there is no need to open code logging. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 323 + 1 file changed, 149

[PATCH v2 36/46] mtd: nandsim: Cleanup constants

From: Richard Weinberger Rename CONFIG_NANDSIM_* to NANDSIM_* since these constants are not exposed to kconfig. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 74 -- 1 file changed, 25

[PATCH v2 32/46] mtd: nandsim: Remove NS_IS_INITIALIZED

From: Richard Weinberger init_nandsim() has exactly one caller, the construction function. So, checking for this condition makes no sense. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 8 1 file changed, 8 deletions(-) diff --git

[PATCH v2 31/46] mtd: nandsim: Remove NS_RAW_OFFSET_OOB

From: Richard Weinberger This helper macro has no users, kill it. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index

[PATCH v2 35/46] mtd: nandsim: Make NANDSIM_MAX_DEVICES part of uapi

From: Richard Weinberger ...such that userspace very easy remove all nandsim instances. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 14 ++ 1 file changed, 6 insertions(+), 8 deletions(-) diff --git

[PATCH v2 32/46] mtd: nandsim: Remove NS_IS_INITIALIZED

From: Richard Weinberger init_nandsim() has exactly one caller, the construction function. So, checking for this condition makes no sense. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 8 1 file changed, 8 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c

[PATCH v2 31/46] mtd: nandsim: Remove NS_RAW_OFFSET_OOB

From: Richard Weinberger This helper macro has no users, kill it. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 048beb0..915e3bb 100644 ---

[PATCH v2 35/46] mtd: nandsim: Make NANDSIM_MAX_DEVICES part of uapi

From: Richard Weinberger ...such that userspace very easy remove all nandsim instances. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 14 ++ 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c

[PATCH v2 30/46] mtd: nandsim: Use pr_ style logging

From: Richard Weinberger These days we have CONFIG_DYNAMIC_DEBUG and stuff, there is no need to open code logging. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 323 + 1 file changed, 149 insertions(+), 174 deletions(-) diff

[PATCH v2 36/46] mtd: nandsim: Cleanup constants

From: Richard Weinberger Rename CONFIG_NANDSIM_* to NANDSIM_* since these constants are not exposed to kconfig. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 74 -- 1 file changed, 25 insertions(+), 49 deletions(-) diff --git

[PATCH v2 38/46] mtd: nandsim: Expose partition creation logic to user space

From: Richard Weinberger Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 12 +++- include/linux/mtd/nandsim.h | 2 +- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c

[PATCH v2 34/46] mtd: nandsim: Support bitflip and read error emulation in file backend

From: Richard Weinberger Since we don't track the empty state we have to check whether the buffer is full with 0xff bytes or not. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 34 -- 1 file changed, 28

[PATCH v2 38/46] mtd: nandsim: Expose partition creation logic to user space

From: Richard Weinberger Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 12 +++- include/linux/mtd/nandsim.h | 2 +- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 615dde3..6b7570b

[PATCH v2 34/46] mtd: nandsim: Support bitflip and read error emulation in file backend

From: Richard Weinberger Since we don't track the empty state we have to check whether the buffer is full with 0xff bytes or not. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 34 -- 1 file changed, 28 insertions(+), 6 deletions(-) diff

[PATCH v2 29/46] um: Add nandsim backend driver

From: Richard Weinberger Add a small UML driver to act as nandsim backend. This allows us to use the nandsim MTD as root device and boot from it. e.g. ./linux mem=512M unand.backing_file=/home/rw/work/ubifs/mtd4.raw \ unand.id_bytes=0x1c,0xd3,0x90,0xa6 unand.no_oob=y

[PATCH v2 29/46] um: Add nandsim backend driver

From: Richard Weinberger Add a small UML driver to act as nandsim backend. This allows us to use the nandsim MTD as root device and boot from it. e.g. ./linux mem=512M unand.backing_file=/home/rw/work/ubifs/mtd4.raw \ unand.id_bytes=0x1c,0xd3,0x90,0xa6 unand.no_oob=y nandsim.defaults=n \

[PATCH v2 28/46] mtd: nandsim: Refine exports

From: Richard Weinberger Keep the file backend logic directly in nandsim such that other users of only have to implement simple read/write functions. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 101

[PATCH v2 28/46] mtd: nandsim: Refine exports

From: Richard Weinberger Keep the file backend logic directly in nandsim such that other users of only have to implement simple read/write functions. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 101 +---

[PATCH v2 27/46] mtd: nandsim: Add no_oob mode

From: Richard Weinberger This allows using a nanddump image directly as file backend. The use case is dumping without OOB from a real device, startup nandsim with the same NAND ID an use the file. That way NAND dumps can loaded into nandsim much faster since no nandwrite is

[PATCH v2 27/46] mtd: nandsim: Add no_oob mode

From: Richard Weinberger This allows using a nanddump image directly as file backend. The use case is dumping without OOB from a real device, startup nandsim with the same NAND ID an use the file. That way NAND dumps can loaded into nandsim much faster since no nandwrite is needed and, of

[PATCH v2 23/46] mtd: nandsim: Unify file backend init logic

From: Richard Weinberger file and cache file backend do more or less the same, so share some code. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 102 ++--- 1 file changed, 68 insertions(+), 34

[PATCH v2 26/46] mtd: nandsim: use the existing output macros

From: Mathias Kresin Without using the output macros, it isn't possible to suppress these messages on the console by specifying an appropriate console log level. Signed-off-by: Mathias Kresin Signed-off-by: Richard Weinberger ---

[PATCH v2 24/46] mtd: nandsim: Wire up NANDSIM_MODE_CACHEFILE ioctl mode

From: Richard Weinberger Allow the userspace control tool also to setup a cache file. In contrast to the cache_file module parameter the ioctl() only accepts a fd. So, userspace should hand in an fd pointing to a temp file. Signed-off-by: Richard Weinberger ---

[PATCH v2 25/46] mtd: nandsim: Print backend name

From: Richard Weinberger ...useful to figure what backend is currently in use. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 4 include/linux/mtd/nandsim.h | 1 + 2 files changed, 5 insertions(+) diff --git

[PATCH v2 23/46] mtd: nandsim: Unify file backend init logic

From: Richard Weinberger file and cache file backend do more or less the same, so share some code. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 102 ++--- 1 file changed, 68 insertions(+), 34 deletions(-) diff --git

[PATCH v2 26/46] mtd: nandsim: use the existing output macros

From: Mathias Kresin Without using the output macros, it isn't possible to suppress these messages on the console by specifying an appropriate console log level. Signed-off-by: Mathias Kresin Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 28 ++--

[PATCH v2 24/46] mtd: nandsim: Wire up NANDSIM_MODE_CACHEFILE ioctl mode

From: Richard Weinberger Allow the userspace control tool also to setup a cache file. In contrast to the cache_file module parameter the ioctl() only accepts a fd. So, userspace should hand in an fd pointing to a temp file. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 5

[PATCH v2 25/46] mtd: nandsim: Print backend name

From: Richard Weinberger ...useful to figure what backend is currently in use. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 4 include/linux/mtd/nandsim.h | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c

[PATCH v2 21/46] mtd: nandsim: Implement preliminary destructor function

From: Richard Weinberger This function will be used via ioctl() to remove nandsim instances. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 81 +++-- include/linux/mtd/nandsim.h | 2 +- 2 files

[PATCH v2 21/46] mtd: nandsim: Implement preliminary destructor function

From: Richard Weinberger This function will be used via ioctl() to remove nandsim instances. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 81 +++-- include/linux/mtd/nandsim.h | 2 +- 2 files changed, 79 insertions(+), 4

[PATCH v2 22/46] mtd: nandsim: Cleanup destroy handlers

From: Richard Weinberger Make sure that we free stuff only after it has been initialized. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/drivers/mtd/nand/nandsim.c

[PATCH v2 22/46] mtd: nandsim: Cleanup destroy handlers

From: Richard Weinberger Make sure that we free stuff only after it has been initialized. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 10 ++ 1 file changed, 10 insertions(+) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index

[PATCH v2 20/46] mtd: nandsim: Implement preliminary constructor function

From: Richard Weinberger This function will be used later by the ioctl() interface for creating new nandsim instances. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 41 - include/linux/mtd/nandsim.h

[PATCH v2 20/46] mtd: nandsim: Implement preliminary constructor function

From: Richard Weinberger This function will be used later by the ioctl() interface for creating new nandsim instances. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 41 - include/linux/mtd/nandsim.h | 3 ++- 2 files changed, 42

[PATCH v2 18/46] mtd: nandsim: Add basic support for a file backend

From: Richard Weinberger This is the first step to allow using a file as backing store. Such that it is possible to directly use nanddump images in nandsim. The current file cache mode is not desiged for this since it maintains an in memory list of erased block to skipt 0xff

[PATCH v2 18/46] mtd: nandsim: Add basic support for a file backend

From: Richard Weinberger This is the first step to allow using a file as backing store. Such that it is possible to directly use nanddump images in nandsim. The current file cache mode is not desiged for this since it maintains an in memory list of erased block to skipt 0xff reads/writes.

[PATCH v2 16/46] mtd: nandsim: Print error when backend init failed

From: Richard Weinberger Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 633872a..e333c5c 100644 ---

[PATCH v2 19/46] mtd: nandsim: UAPI v1

From: Richard Weinberger Expose nandsim creation and delete functions to user-space Signed-off-by: Richard Weinberger --- include/uapi/mtd/nandsim-user.h | 102 1 file changed, 102 insertions(+) create mode 100644

[PATCH v2 17/46] mtd: nandsim: Allow external backends

From: Richard Weinberger This turns nandsim into a mini framework to allow backends implemented in different drivers. i.e. virtio or usermodelinux. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 124

[PATCH v2 16/46] mtd: nandsim: Print error when backend init failed

From: Richard Weinberger Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 633872a..e333c5c 100644 --- a/drivers/mtd/nand/nandsim.c +++

[PATCH v2 19/46] mtd: nandsim: UAPI v1

From: Richard Weinberger Expose nandsim creation and delete functions to user-space Signed-off-by: Richard Weinberger --- include/uapi/mtd/nandsim-user.h | 102 1 file changed, 102 insertions(+) create mode 100644 include/uapi/mtd/nandsim-user.h diff

[PATCH v2 17/46] mtd: nandsim: Allow external backends

From: Richard Weinberger This turns nandsim into a mini framework to allow backends implemented in different drivers. i.e. virtio or usermodelinux. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 124 +--- include/linux/mtd/nandsim.h

[PATCH v2 12/46] mtd: nandsim: Make debugfs logic multi instance capable

From: Richard Weinberger Instead of creating our files in /nandsim/, create one directory per instance. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 36 ++-- 1 file changed, 34 insertions(+), 2 deletions(-)

[PATCH v2 11/46] mtd: nandsim: Factor out nandsim parameters

From: Richard Weinberger ...such that we have a way to pass different parameters to different instances. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 129 - 1 file changed, 93 insertions(+), 36

[PATCH v2 12/46] mtd: nandsim: Make debugfs logic multi instance capable

From: Richard Weinberger Instead of creating our files in /nandsim/, create one directory per instance. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 36 ++-- 1 file changed, 34 insertions(+), 2 deletions(-) diff --git

[PATCH v2 11/46] mtd: nandsim: Factor out nandsim parameters

From: Richard Weinberger ...such that we have a way to pass different parameters to different instances. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 129 - 1 file changed, 93 insertions(+), 36 deletions(-) diff --git

[PATCH v2 15/46] mtd: nandsim: Introduce backend operations

From: Richard Weinberger ...to untangle the ram based and cachefile based code. It will help us later supporting different backends. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 400 ++--- 1 file

[PATCH v2 14/46] mtd: nandsim: Add simulator id to MTD parition name

From: Richard Weinberger ...also don't use spaces in the name. It allows UBI attach via MTD name to function correctly. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git

[PATCH v2 13/46] mtd: nandsim: Add final logic for multiple instances

From: Richard Weinberger Add support to create and delete multiple instances of nandsim. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 59 ++ 1 file changed, 49 insertions(+), 10 deletions(-)

[PATCH v2 13/46] mtd: nandsim: Add final logic for multiple instances

From: Richard Weinberger Add support to create and delete multiple instances of nandsim. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 59 ++ 1 file changed, 49 insertions(+), 10 deletions(-) diff --git

[PATCH v2 15/46] mtd: nandsim: Introduce backend operations

From: Richard Weinberger ...to untangle the ram based and cachefile based code. It will help us later supporting different backends. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 400 ++--- 1 file changed, 228 insertions(+), 172

[PATCH v2 14/46] mtd: nandsim: Add simulator id to MTD parition name

From: Richard Weinberger ...also don't use spaces in the name. It allows UBI attach via MTD name to function correctly. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c

[PATCH v2 08/46] mtd: nandsim: Kill global nsmtd

From: Richard Weinberger Do it like UBI and support in future up to 32 instances. For now we still keep a single instance and allow more when all global state has been removed. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 14 +++---

[PATCH v2 08/46] mtd: nandsim: Kill global nsmtd

From: Richard Weinberger Do it like UBI and support in future up to 32 instances. For now we still keep a single instance and allow more when all global state has been removed. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 14 +++--- 1 file changed, 11

[PATCH v2 10/46] mtd: nandsim: Add helper functions for pointer magic

From: Richard Weinberger Add chip_to_ns() and ns_to_mtd() helper functions Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 17 ++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c

[PATCH v2 09/46] mtd: nandsim: Don't directly use module parameters

From: Richard Weinberger Move simulator related module params into struct nandsim such that each instance can later use different parameters. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 57 ++ 1

[PATCH v2 10/46] mtd: nandsim: Add helper functions for pointer magic

From: Richard Weinberger Add chip_to_ns() and ns_to_mtd() helper functions Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 17 ++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index

[PATCH v2 09/46] mtd: nandsim: Don't directly use module parameters

From: Richard Weinberger Move simulator related module params into struct nandsim such that each instance can later use different parameters. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 57 ++ 1 file changed, 37 insertions(+),

[PATCH v2 06/46] mtd: nandsim: Add basic control file support

From: Richard Weinberger /dev/nandsim_ctrl accept ioctl() commands such that userspace can configure nandsim. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 66 +++--- 1 file changed, 56 insertions(+),

[PATCH v2 06/46] mtd: nandsim: Add basic control file support

From: Richard Weinberger /dev/nandsim_ctrl accept ioctl() commands such that userspace can configure nandsim. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 66 +++--- 1 file changed, 56 insertions(+), 10 deletions(-) diff --git

[PATCH v2 07/46] mtd: nandsim: Begin with removal of global state

From: Richard Weinberger A first step to support multiple nandsim instances... Remove global variables and put them into struct nandsim. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 115 - 1 file

[PATCH v2 07/46] mtd: nandsim: Begin with removal of global state

From: Richard Weinberger A first step to support multiple nandsim instances... Remove global variables and put them into struct nandsim. Signed-off-by: Richard Weinberger --- drivers/mtd/nand/nandsim.c | 115 - 1 file changed, 61 insertions(+), 54

[PATCH v2 05/46] mtd: Don't print a scary message when trying to remove a busy MTD

From: Richard Weinberger Just return -EBUSY and everything is fine. Signed-off-by: Richard Weinberger --- drivers/mtd/mtdcore.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index b8205ec..32f1088 100644 ---

[PATCH v2 05/46] mtd: Don't print a scary message when trying to remove a busy MTD

From: Richard Weinberger Just return -EBUSY and everything is fine. Signed-off-by: Richard Weinberger --- drivers/mtd/mtdcore.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index b8205ec..32f1088 100644 --- a/drivers/mtd/mtdcore.c +++

[PATCH v2 04/46] mtd: Don't unconditionally execute remove notifiers

From: Richard Weinberger Only call them when we're really removing the MTD. Reviewed-by: Boris Brezillon Signed-off-by: Richard Weinberger --- drivers/mtd/mtdcore.c | 11 ++- 1 file changed, 6 insertions(+), 5

[PATCH v2 04/46] mtd: Don't unconditionally execute remove notifiers

From: Richard Weinberger Only call them when we're really removing the MTD. Reviewed-by: Boris Brezillon Signed-off-by: Richard Weinberger --- drivers/mtd/mtdcore.c | 11 ++- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c

[PATCH v2 03/46] mtd: Don't unconditionally unregister reboot notifier

From: Richard Weinberger del_mtd_device() is allowed to fail. i.e. when the MTD is busy. Unregister the reboot notifier only when we're really about to delete the MTD. Signed-off-by: Richard Weinberger --- drivers/mtd/mtdcore.c | 15 ++- 1 file

[PATCH v2 02/46] mtd: nand: Provide nand_cleanup() function to free NAND related resources

ources. Signed-off-by: Richard Weinberger <rich...@nod.at> Signed-off-by: Daniel Walter <dwal...@sigma-star.at> --- drivers/mtd/nand/nand_base.c | 18 +- include/linux/mtd/nand.h | 1 + 2 files changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/

[PATCH v2 03/46] mtd: Don't unconditionally unregister reboot notifier

From: Richard Weinberger del_mtd_device() is allowed to fail. i.e. when the MTD is busy. Unregister the reboot notifier only when we're really about to delete the MTD. Signed-off-by: Richard Weinberger --- drivers/mtd/mtdcore.c | 15 ++- 1 file changed, 10 insertions(+), 5

[PATCH v2 02/46] mtd: nand: Provide nand_cleanup() function to free NAND related resources

-by: Richard Weinberger Signed-off-by: Daniel Walter --- drivers/mtd/nand/nand_base.c | 18 +- include/linux/mtd/nand.h | 1 + 2 files changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 77533f7..e743052 100644

[PATCH v2 01/46] mtdpart: Propagate _get/put_device()

From: Richard Weinberger If the master device has callbacks for _get/put_device() and this MTD has slaves a get_mtd_device() call on paritions will never issue the registered callbacks. Fix this by propagating _get/put_device() down. Reviewed-by: Boris Brezillon

[PATCH v2 00/46] Nandsim facelift (part I of II)

will be used but to allow arbitrary sized MTDs a more simple mode will be added which just allocates a MTD with the expected sizes instead of mocking nand_base.c. Daniel Walter (1): mtd/nandsim: Add ioctl for info Mathias Kresin (1): mtd: nandsim: use the existing output macros Richard

[PATCH v2 01/46] mtdpart: Propagate _get/put_device()

From: Richard Weinberger If the master device has callbacks for _get/put_device() and this MTD has slaves a get_mtd_device() call on paritions will never issue the registered callbacks. Fix this by propagating _get/put_device() down. Reviewed-by: Boris Brezillon Signed-off-by: Richard

[PATCH v2 00/46] Nandsim facelift (part I of II)

will be used but to allow arbitrary sized MTDs a more simple mode will be added which just allocates a MTD with the expected sizes instead of mocking nand_base.c. Daniel Walter (1): mtd/nandsim: Add ioctl for info Mathias Kresin (1): mtd: nandsim: use the existing output macros Richard

[PATCH 01/46] mtdpart: Propagate _get/put_device()

From: Richard Weinberger If the master device has callbacks for _get/put_device() and this MTD has slaves a get_mtd_device() call on paritions will never issue the registered callbacks. Fix this by propagating _get/put_device() down. Reviewed-by: Boris Brezillon

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