- 14 Sep, 2012 10 commits
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Devendra Naga authored
we do class_create and call kmalloc to allocate dev pointer, and if kmalloc fail we forget destoying class Signed-off-by:
Devendra Naga <devendra.aaru@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Davidlohr Bueso authored
Commit 1b9f644d already got rid of StringCopy and StringCmp, so remove the left over prototypes. Signed-off-by:
Davidlohr Bueso <dave@gnu.org> Signed-off-by:
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Ben Chan authored
This patch simplifies alloc_tx_struct and alloc_rx_struct in gdm_sdio.c and gdm_usb.c by replacing kmalloc+memset with kzalloc and reorganizing the code. Signed-off-by:
Ben Chan <benchan@chromium.org> Signed-off-by:
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H Hartley Sweeten authored
The 8255 based boards in the ni_pcidio driver are all simple memory mapped 8255 boards that don't require the dma support provided by the mite driver. Move the support for these boards from the ni_pcidio driver to the generic 8255_pci driver. Signed-off-by:
H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Signed-off-by:
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H Hartley Sweeten authored
Some of the PCI based 8255 boards that can be supported by this driver use memory mapped i/o. Add the code needed to support these boards. Signed-off-by:
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H Hartley Sweeten authored
This driver supports PCI boards from multiple vendors. It's possible for boards from different vendors to have the same device id. Add the vendor id to the boardinfo so pci_8255_find_boardinfo() matches the pci_dev to the correct boardinfo. Signed-off-by:
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H Hartley Sweeten authored
Add support for the Measurement Computing PCI-DIO96H board to the generic 8255_pci driver. Signed-off-by:
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H Hartley Sweeten authored
Move the support for the boards in the cb_pcidio driver to the generic 8255_pci driver and remove the cb_pcidio driver. Signed-off-by:
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H Hartley Sweeten authored
Due to the rename of this file, change all the adl_pci7296_* to pci_8255_* so that everything has namespace associated with this driver. Also, fix the comedi description comment based on the rename of the file. Remove the extra comment about the driver attach. Modify the PCI_DEVICE_ID_* defines in preparation of moving additional vendor/device ids into this driver. Signed-off-by:
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H Hartley Sweeten authored
This driver will be used for all generic PCI based 8255 digital i/o boards. Rename the driver accordingly.. Signed-off-by:
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- 12 Sep, 2012 30 commits
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Jens Taprogge authored
Signed-off-by:
Jens Taprogge <jens.taprogge@taprogge.org> Signed-off-by:
Samuel Iglesias Gonsalvez <siglesias@igalia.com> Signed-off-by:
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Jens Taprogge authored
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Samuel Iglesias Gonsalvez authored
With the latest patches, the TODO file was outdated. Signed-off-by:
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Samuel Iglesias Gonsalvez authored
The RX FIFO has a size of 3 characters. Check if when we are picking the oldest one, we have more to read. Signed-off-by:
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Jens Taprogge authored
Use tty_dev->dev's drdata to associate struct ipocal_channel to the respective tty_struct. Signed-off-by:
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Jens Taprogge authored
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Jens Taprogge authored
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Jens Taprogge authored
Make use of dev_set_drvdata() and dev_get_drvdata() to store and obtain a pointer to the ipoctal struct corresponding to a struct dev. Previously we relied on a private list of devices. Signed-off-by:
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Jens Taprogge authored
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Jens Taprogge authored
Now, all the interrupt related functions are next to each other. Signed-off-by:
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Jens Taprogge authored
Rename __tpci_request_irq() to tpci_enable_irq() and __tpci_free_irq() to tpci_disable_irq(). Change their second argument, move them above tpci200_interrupt(), and use tpci_disable_irq() in the latter Signed-off-by:
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Jens Taprogge authored
Minor cleanup. No functional changes. Signed-off-by:
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Jens Taprogge authored
Previously the return value from tpci200_interrupt was not quite correct if a slot had caused an interrupt but no handler was instellalled: IRQ_NONE was returned. However in this case we react to the interrupt by disabling the IPack device interrupt. Basically there are two cases the code now distinguishes: - The tpci200 has raised an interrupt. We handle it and return IRQ_HANDLED. - Our device did not raise an interrupt. We return IRQ_NONE. Signed-off-by:
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Jens Taprogge authored
Some of the device registers are accessed from both interrupt and non-interrupt context. To ensure proper read-modify-write modification of these registers we can not use the "global" tpci200 mutex. Instead a spin-lock is used. Signed-off-by:
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Jens Taprogge authored
In tpci200_request_irq as well as tpci200_free_irq we set and unset the pointer to struct slot_irq. This pointer is accessed in tpci200_interrupt. To ensure that the pointer is not freed after it has been fetched in tpci200_interrupt() it is now protected through RCU. Signed-off-by:
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Jens Taprogge authored
ipoctal_write_tty and ipoctal_write are merged. Signed-off-by:
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Jens Taprogge authored
Split the IRQ service routing in TX part and RX part. Signed-off-by:
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Jens Taprogge authored
This way interrupt handling becomes independent of the channel number. Signed-off-by:
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Jens Taprogge authored
Each tty's driver_data is now pointing to the channel it is talking to. struct ipoctal_channel contains all the information the callbacks require to do their work. Signed-off-by:
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Jens Taprogge authored
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Jens Taprogge authored
By moving everything channel related into a separate struct we will be able to clean up a lot of code. In the end tty->driver_data will no longer need to point to ipoctal but instead can point to the respective channel. Signed-off-by:
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Jens Taprogge authored
This also removes a possible bug in the unhandles_ints part when slots[i] is not set. Signed-off-by:
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Jens Taprogge authored
Use the __tpci200_{set,clear}_mask routines to access control register. Do not overwrite flags unrelated to interrupt handling. Signed-off-by: -
Jens Taprogge authored
Convert tpci200_set_clockrate and tpci200_interrupt. Signed-off-by:
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Macpaul Lin authored
gdm_usb.* coding style clean up. Signed-off-by:
Macpaul Lin <macpaul@gmail.com> Cc: Paul Stewart <pstew@chromium.org> Cc: Ben Chan <benchan@chromium.org> Cc: Sage Ahn <syahn@gctsemi.com> Signed-off-by:
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Aaro Koskinen authored
Add a sanity check for the video RAM size. It should fit into the PCI window. Signed-off-by:
Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by:
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Aaro Koskinen authored
It's possible to select video mode that exceeds the available video memory. This is potentially dangerous, fix by adding a check. The patch fixes system hangs seen occasionally when playing random videos with mplayer. Signed-off-by:
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Dan Carpenter authored
We don't need these to be world writable or group writable. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Cc: Daniel Cotey <puff65537@bansheeslibrary.com> Signed-off-by:
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Peter Senna Tschudin authored
Remove useless kfree() and clean up code related to the removal. The semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ position p1,p2; expression x; @@ if (x@p1 == NULL) { ... kfree@p2(x); ... return ...; } @unchanged exists@ position r.p1,r.p2; expression e <= r.x,x,e1; iterator I; statement S; @@ if (x@p1 == NULL) { ... when != I(x,...) S when != e = e1 when != e += e1 when != e -= e1 when != ++e when != --e when != e++ when != e-- when != &e kfree@p2(x); ... return ...; } @ok depends on unchanged exists@ position any r.p1; position r.p2; expression x; @@ ... when != true x@p1 == NULL kfree@p2(x); @depends on !ok && unchanged@ position r.p2; expression x; @@ *kfree@p2(x); // </smpl> Signed-off-by:
Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by:
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Peter Senna Tschudin authored
Remove useless kfree() and clean up code related to the removal. The semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ position p1,p2; expression x; @@ if (x@p1 == NULL) { ... kfree@p2(x); ... return ...; } @unchanged exists@ position r.p1,r.p2; expression e <= r.x,x,e1; iterator I; statement S; @@ if (x@p1 == NULL) { ... when != I(x,...) S when != e = e1 when != e += e1 when != e -= e1 when != ++e when != --e when != e++ when != e-- when != &e kfree@p2(x); ... return ...; } @ok depends on unchanged exists@ position any r.p1; position r.p2; expression x; @@ ... when != true x@p1 == NULL kfree@p2(x); @depends on !ok && unchanged@ position r.p2; expression x; @@ *kfree@p2(x); // </smpl> Signed-off-by:
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