- 26 Jun, 2013 1 commit
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Sachin Kamat authored
This eliminates having an #ifdef returning NULL for the case when OF is disabled. Signed-off-by:
Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 24 Jun, 2013 12 commits
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Tomas Winkler authored
hw start may fail therefore the reset flow has to check for the return value Signed-off-by:
Tomas Winkler <tomas.winkler@intel.com> Signed-off-by:
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Tomas Winkler authored
The hw may have multiple steps for resetting so we need to check if it has really succeeded. Signed-off-by:
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Frode Isaksen authored
MEI_CL_CONNECT_TIMEOUT is the timeout in seconds to wait for a response in mei_cl_connect. The value was converted to jiffies using mei_secs_to_jiffies helper function and assigned to a local variable which is by mistake again multiplied by HZ Signed-off-by:
Frode Isaksen <frodex.isaksen@intel.com> Signed-off-by:
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Tomas Winkler authored
when we buffer write request we should not switch to MEI_WRITING since this will override MEI_WRITE_COMPLETE state of preceding write Signed-off-by:
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Tomas Winkler authored
mei_cl_irq_write_complete operates on a client so move it to client.c Signed-off-by:
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Vitalii Demianets authored
In a SMP case there was a race condition issue between uio_pdrv_genirq_irqcontrol() running on one CPU and irq handler on another CPU. Fix it by spin_locking shared resources access inside irq handler. Also: - Change disable_irq to disable_irq_nosync to avoid deadlock, because disable_irq waits for the completion of the irq handler; - Change atomic bit-manipulation routines to their non-atomic counterparts as we already are guarding the code by spinlock. Signed-off-by:Vitalii Demianets <vitas@nppfactor.kiev.ua> Reviewed-by:
Pavel Machek <pavel@ucw.cz> Signed-off-by:
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Sachin Kamat authored
This eliminates having an #ifdef returning NULL for the case when OF is disabled. Signed-off-by:
Damian Hobson-Garcia <dhobsong@igel.co.jp> Signed-off-by:
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Thomas Petazzoni authored
In fa1f68db ("drivers: misc: pass miscdevice pointer via file private data"), the misc driver infrastructure was changed to assigned file->private_data as a pointer to the 'struct miscdevice' that corresponds to the device being opened. However, this assignment was only done when the misc driver was declaring a driver-specific ->open() operation in its file_operations. This doesn't make sense, as the driver may not necessarily have a custom ->open() operation, and might still be interested in having file->private_data properly set for use in its ->read() and write() operations. Therefore, we move the assignment of file->private_data outside of the condition that tests whether a driver-specific ->open() operation was defined. Signed-off-by:
Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Jason Wang authored
We currently allocate synic structures in hv_sync_init(), but there's no way for the driver to know about the allocation failure and it may continue to use the uninitialized pointers. Solve this by introducing helpers for allocating and freeing and doing the allocation before the on_each_cpu() call in vmbus_bus_init(). Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by:
Jason Wang <jasowang@redhat.com> Signed-off-by:
K. Y. Srinivasan <kys@microsoft.com> Signed-off-by:
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Jason Wang authored
This patches add a read barriers to force the driver to check the interrupt mask before read_index. Otherwise we may lost a kick to host. Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by:
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Wei Yongjun authored
Fix to return a negative error code in the tsi148_crcsr_init() error handling case instead of 0, as done elsewhere in this function. Signed-off-by:
Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by:
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Dan Carpenter authored
The call to kzalloc() wasn't checked. The dev_info() message dereferenced freed memory on error. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Acked-by:
Alessandro Rubini <rubini@gnudd.com> Signed-off-by:
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- 20 Jun, 2013 2 commits
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Arnd Bergmann authored
The use of the 'readl' and 'writel' identifiers here causes build errors on architectures where those are macros. This renames the fields to read32/write32 to avoid the problem. Reported-by:
kbuild test robot <fengguang.wu@intel.com> Signed-off-by:
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Dan Carpenter authored
If we don't allocate "arr" then the cleanup path will dereference it and oops. Signed-off-by:
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- 18 Jun, 2013 10 commits
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Pavel Machek authored
If device is initialized from device tree, but has no interrupt assigned, uio will still try to request and interrupt old way, fails, and fails registration. This is wrong; don't try initializing irq using platform data if device tree is available. Simplified code based on suggestion by Grant Likely. Fixed memory leak in "irq can not be registered" error path. Signed-off-by:
Pavel Machek <pavel@denx.de> Reported-by:
Detlev Zundel <dzu@denx.de> Signed-off-by:
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Pavel Machek authored
This adds ability to bind uio driver to given open firmware device using command line option. Thus, userspace driver can be developed and used without modifying the kernel. Signed-off-by:
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Alessandro Rubini authored
This driver exports the memory area associated with the mezzanine card as a misc device, so users can access registers. Signed-off-by:
Juan David Gonzalez Cobas <dcobas@cern.ch> Acked-by:
Emilio G. Cota <cota@braap.org> Acked-by:
Samuel Iglesias Gonsalvez <siglesias@igalia.com> Signed-off-by:
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Alessandro Rubini authored
This driver allows to reprogram the EEPROM in a mezzanine, to store its own identifiers during manufacturing or to save other useful data. Signed-off-by:
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Alessandro Rubini authored
This simple do-nothing mezzanine driver shows how to write a mezzanine driver, that can also handle interrupts reported by the carrier. Signed-off-by:
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Alessandro Rubini authored
This fake carrier is designed to help FMC users understand how a carrier driver works, and to experiment the behaviour with EEPROM reprogramming (with a mezzanine driver commited later). This carrier can register up to 4 (fake) mezzanines. We have real carriers (both on PCI-E and VME), but they are bigger things and are not part of this submission. Signed-off-by:
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Alessandro Rubini authored
This is selected sections of the current manual for fmc-bus, as developed outside of the kernel before submission. Like the other patches in this set, it corresponds to commit ab23167f of the repository at ohwr.org Signed-off-by:
Rob Landley <rob@landley.net> Signed-off-by:
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Alessandro Rubini authored
This module offers registration services for both carriers (i.e. devices) and mezzanines (i.e. drivers). The matching for devices and drivers is performed according to the IPMI standard for FRU devices (Field Replaceable Units). The code includes support for parsing an SDB tree if present in the FPGA, and dumping it for diagnostics. SDB is not mandatory. Files in this commit correspond to commit ab23167f in the master branch of the project hosted on ohwr.org. Signed-off-by:
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Greg Kroah-Hartman authored
This hopefully will help point developers to the proper way that patches should be submitted for inclusion in the stable kernel releases. Reported-by:
David Howells <dhowells@redhat.com> Acked-by:
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Jason Wang authored
Even if guest were compiled without SMP support, it could not assume that host wasn't. So switch to use mb() instead of smp_mb() to force memory barriers for UP guest. Signed-off-by:
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- 17 Jun, 2013 15 commits
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Tuomas Tynkkynen authored
In Tegra30 any memory controller interrupt would cause an infinite loop in the IRQ handler. Additionally, a garbage pointer was used to read the MC status registers, which causes wrong values to be printed if a MC error occurred. Signed-off-by:
Tuomas Tynkkynen <ttynkkynen@nvidia.com> Reviewed-by:
Stephen Warren <swarren@nvidia.com> Reviewed-by:
Thierry Reding <thierry.reding@gmail.com> Signed-off-by:
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Tuomas Tynkkynen authored
In Tegra20 any memory controller interrupt would cause an infinite loop in the IRQ handler. Signed-off-by:
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Tomas Winkler authored
Driver can work properly if device support driver HBM version or driver can downgrade its supported HBM version level Signed-off-by:
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Joe Perches authored
This typedef is unnecessary and should just be removed. Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Martyn Welch authored
The tsi148 driver can be configured to reserve a window for internal use (as part of the error checking routine). The intialisation of this window currently configures a set of attributes that are never used as these are only ever used by the VME core and this window is not advertised to the core. Remove configuration of these attributes. Signed-off-by:
Martyn Welch <martyn.welch@ge.com> Signed-off-by:
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Martyn Welch authored
The logic in the init routine for the TSI148 is inverted. It isn't switching on the CR/CSR space when it should be and is reporting it's on when its not. Correct the logic to do the right thing. Reported-by:
De Roo, Steven <steven.deroo@arcelormittal.com> Signed-off-by:
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Martyn Welch authored
The TSI148 driver provides an optional mechanism for ensuring that errors resulting from posted transfers are caught whilst still relevant. To do this errors are stored in a link list. If bus errors are not checked, this list would grow until available memory had been exhausted. Only store the errors in a link list if error detection is switched on. Reported-by:
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Alexander Shiyan authored
Patch removes unneeded check for resource since devm_ioremap_resource do all for us. Signed-off-by:
Alexander Shiyan <shc_work@mail.ru> Acked-by:
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Alexander Shiyan authored
No dependencies of PCMCIA and ARCH_CLPS711X. Signed-off-by:
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Alessandro Rubini authored
This set of headers comes from commit ab23167f (current master of the project on ohwr.org). They define the basic data structures for FMC and its SDB support. Signed-off-by:
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Alessandro Rubini authored
This commit creates the drivers/fmc directory and puts the necessary hooks for kbuild and kconfig. The code is currently a placeholder that only registers an empty bus. Signed-off-by:
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Graeme Gregory authored
This is the driver for the USB comparator built into the palmas chip. It handles the various USB OTG events that can be generated by cable insertion/removal. Signed-off-by:
Graeme Gregory <gg@slimlogic.co.uk> Signed-off-by:
Moiz Sonasath <m-sonasath@ti.com> Signed-off-by:
Ruchika Kharwar <ruchika@ti.com> Signed-off-by:
Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by:
George Cherian <george.cherian@ti.com> [kishon@ti.com: adapted palmas usb driver to use the extcon framework] Signed-off-by:
Sebastien Guiriec <s-guiriec@ti.com> Signed-off-by:
Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by:
Myungjoo Ham <myungjoo.ham@samsung.com> Signed-off-by:
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Kishon Vijay Abraham I authored
Added EXPORT_SYMBOL_GPL() for extcon_register_interest and extcon_register_notifier in order to avoid undefined reference error when building the consumer modules of extcon as _modules_. Signed-off-by:
Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by:
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Chanwoo Choi authored
This patch change permission from read/write to only read. The specific process in the user-space couldn't change the state of cable when cable is attached or detached. - /sys/class/extcon/[devine name]/state Signed-off-by:
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Tomas Hozza authored
Use errno and strerror() when logging errors to provide more information. Signed-off-by:
Tomas Hozza <thozza@redhat.com> Signed-off-by:
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