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No need for two separate return statements, consolidate them.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty in many
call sites. Only tty_port will needed and hence no more
tty_port_tty_get in those paths.
Now, the one where most of tty_port_tty_get gets removed:
tty_flip_buffer_push.
IOW we also closed all the races in drivers not using tty_port_tty_get
at all yet.
Also we move tty_flip_buffer_push declaration from include/linux/tty.h
to include/linux/tty_flip.h to all others while we are changing it
anyway.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@linux.intel.com>
Acked-by: Tobias Klauser <tklauser@distanz.ch>
Cc: Lucas Tavares <lucaskt@linux.vnet.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Tony Prisk <linux@prisktech.co.nz>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Lucas Tavares <lucaskt@linux.vnet.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Tony Prisk <linux@prisktech.co.nz>
Acked-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Lucas Tavares <lucaskt@linux.vnet.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Tony Prisk <linux@prisktech.co.nz>
Acked-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use the wrapper functions, so we can directly pass a struct
platfrom_device.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Follow altera_jtag_uart. This fixes a crash if there is a mistake in the DTS.
Signed-off-by: Yuriy Kozlov <ykozlov@ptcusa.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This allows altera_uart to be used for KGDB debugging over serial line.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function has no users inside the tree and the nios2
(out-of-mainline) port doesn't use it either (anymore).
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6:
of_mdio: Don't phy_scan_fixups() twice
Devicetree: Expand on ARM Primecell binding documentation
dt: Add empty of_match_node() macro
dt: add empty dt helpers for non-dt build
devicetree: fix build error on drivers/tty/serial/altera_jtaguart.c
devicetree: Add ARM pl022 spi controller binding doc
devicetree: Add ARM pl061 gpio controller binding doc
of/irq: of_irq_find_parent: check for parent equal to child
MAINTAINERS: update devicetree maintainers
dt: add helper to read 64-bit integers
tty: use of_match_ptr() for of_match_table entry
OF: Add of_match_ptr() macro
dt: add empty for_each_child_of_node, of_find_property
devicetree: Document Qualcomm and Atmel prefixes
serial/imx: add of_alias_get_id() reference back
dt: add of_alias_scan and of_alias_get_id
devicetree: Add a registry of vendor prefixes
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Use the new of_match_ptr() macro for the of_match_table
pointer entry to avoid having to #dfine match NULL
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled],
We run all interrupt handlers with interrupts disabled
and we even check and yell when an interrupt handler
returns with interrupts enabled (see commit [b738a50a:
genirq: Warn when handler enables interrupts]).
So now this flag is a NOOP and can be removed.
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Devices extracted from device tree all seem to have pdev->id set to -1.
Up until now we mapped all devices with id -1 to the first device. This
behaviour could lead to problems when using more than one Altera UART in
a system.
This patch changes the behaviour of the driver to scan for the next free
id in case the id is -1.
Because we cannot refer back to the assigned id in altera_uart_remove,
the port instance needs to be stored in device drvdata.
Reported-by: David Smoot <davidsmoot@gmail.com>
Cc: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6: (21 commits)
tty: serial: altera_jtaguart: Add device tree support
tty: serial: altera_uart: Add devicetree support
dt: eliminate of_platform_driver shim code
dt: Eliminate of_platform_{,un}register_driver
dt/serial: Eliminate users of of_platform_{,un}register_driver
dt/usb: Eliminate users of of_platform_{,un}register_driver
dt/video: Eliminate users of of_platform_{,un}register_driver
dt/net: Eliminate users of of_platform_{,un}register_driver
dt/sound: Eliminate users of of_platform_{,un}register_driver
dt/spi: Eliminate users of of_platform_{,un}register_driver
dt: uartlite: merge platform and of_platform driver bindings
dt: xilinx_hwicap: merge platform and of_platform driver bindings
ipmi: convert OF driver to platform driver
leds/leds-gpio: merge platform_driver with of_platform_driver
dt/sparc: Eliminate users of of_platform_{,un}register_driver
dt/powerpc: Eliminate users of of_platform_{,un}register_driver
dt/powerpc: move of_bus_type infrastructure to ibmebus
drivercore/dt: add a match table pointer to struct device
dt: Typo fix.
altera_ps2: Add devicetree support
...
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With the recent switch of the (currently still out-of-tree) Nios2 Linux
port to devicetree we want to be able to retrieve the resources and
properties from dts.
The old method to retrieve resources and properties from platform data
is still supported.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Use the regshift member of struct uart_port to store the address stride
from platform data. This way we can save one dereference per call of
altera_uart_readl and altera_uart_writel.
This also allows us to use the driver without platform data, which is
needed for device tree support in the Nios2 port.
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Commit 6b5756f176568a710d008d3b478128fafb6707f0 introduced the
possibility for pdev->id being -1 but the change was not done equally in
altera_uart_remove. This patch fixes this.
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The serial drivers are really just tty drivers, so move them to
drivers/tty/ to make things a bit neater overall.
This is part of the tty/serial driver movement proceedure as proposed by
Arnd Bergmann and approved by everyone involved a number of months ago.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Rogier Wolff <R.E.Wolff@bitwizard.nl>
Cc: Michael H. Warfield <mhw@wittsend.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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