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path: root/drivers/tty/serial/sccnxp.c
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2013-04-15serial: sccnxp: Replace pdata.init/exit with regulator APIAlexander Shiyan1-6/+15
Typical usage of pdata.init/exit is enable/disable power and/or toggle reset for the target chip. This patch replaces these callbacks with regulator API. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-15serial: sccnxp: Do not override device nameAlexander Shiyan1-2/+0
Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-02-22Merge tag 'tty-3.9-rc1' of ↵Linus Torvalds1-58/+113
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial patches from Greg Kroah-Hartman: "Here's the big tty/serial driver patches for 3.9-rc1. More tty port rework and fixes from Jiri here, as well as lots of individual serial driver updates and fixes. All of these have been in the linux-next tree for a while." * tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits) tty: mxser: improve error handling in mxser_probe() and mxser_module_init() serial: imx: fix uninitialized variable warning serial: tegra: assume CONFIG_OF TTY: do not update atime/mtime on read/write lguest: select CONFIG_TTY to build properly. ARM defconfigs: add missing inclusions of linux/platform_device.h fb/exynos: include platform_device.h ARM: sa1100/assabet: include platform_device.h directly serial: imx: Fix recursive locking bug pps: Fix build breakage from decoupling pps from tty tty: Remove ancient hardpps() pps: Additional cleanups in uart_handle_dcd_change pps: Move timestamp read into PPS code proper pps: Don't crash the machine when exiting will do pps: Fix a use-after free bug when unregistering a source. pps: Use pps_lookup_dev to reduce ldisc coupling pps: Add pps_lookup_dev() function tty: serial: uartlite: Support uartlite on big and little endian systems tty: serial: uartlite: Fix sparse and checkpatch warnings serial/arc-uart: Miscll DT related updates (Grant's review comments) ... Fix up trivial conflicts, mostly just due to the TTY config option clashing with the EXPERIMENTAL removal.
2013-01-22serial: Convert to devm_ioremap_resource()Thierry Reding1-4/+4
Convert all uses of devm_request_and_ioremap() to the newly introduced devm_ioremap_resource() which provides more consistent error handling. devm_ioremap_resource() provides its own error messages so all explicit error messages can be removed from the failure code paths. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-22serial: sccnxp: Make baudrate table struct staticAlexander Shiyan1-4/+2
This struct is used only for driver, so it should be static. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-22serial: sccnxp: Reset break and overrun bits in RX handlerAlexander Shiyan1-1/+6
This patch adds a hardware reset the break and overflow bits for these events. Without resetting the bits they will be reported to the core every time, when once occur. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-18serial: sccnxp: Fix possible crash if no platform data suppliedAlexander Shiyan1-2/+2
This patch fix possible kernel crash if no platform data supplied. We should not use platform data in this case, instead we will use default values from private driver structure. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-16serial: sccnxp: Rename header file to match functionalityAlexander Shiyan1-1/+1
Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-16serial: sccnxp: Implement polling modeAlexander Shiyan1-45/+103
This patch adds support for polling work mode, i.e. system is perform periodical check chip status when IRQ-line is not connected to CPU. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-16TTY: switch tty_flip_buffer_pushJiri Slaby1-7/+1
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>
2012-11-22tty: remove use of __devexitBill Pemberton1-1/+1
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>
2012-11-22tty: remove use of __devinitBill Pemberton1-1/+1
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>
2012-11-22tty: serial: remove use of __devexit_pBill Pemberton1-1/+1
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>
2012-10-05tty: serial: sccnxp: Fix bug with unterminated platform_id listGreg Kroah-Hartman1-0/+1
The build even tells you that this is a bad thing: drivers/tty/serial/sccnxp: struct platform_device_id is 32 bytes. The last of 8 is: 0x73 0x63 0x36 0x38 0x36 0x39 0x32 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x54 0x0c 0x01 0x00 0x00 0x00 0x00 0x00 FATAL: drivers/tty/serial/sccnxp: struct platform_device_id is not terminated with a NULL entry! So fix this problem up before someone oopses their box when loading the driver, as this breaks the build. Cc: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-27serial: sccnxp: Make 'default' choice in switch lastAlexander Shiyan1-1/+1
Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-27serial: sccnxp: Remove mask termios caps for SW flow controlAlexander Shiyan1-1/+0
The kernel will handle IXON/IXOFF/IXANY in software if the hardware doesn't do it. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-27serial: sccnxp: Report actual baudrate back to coreAlexander Shiyan1-4/+10
Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-06serial: serial_core.h needs console.h included firstStephen Rothwell1-1/+1
Fixes these build errors: In file included from drivers/tty/serial/sccnxp.c:20:0: include/linux/serial_core.h: In function 'uart_handle_break': include/linux/serial_core.h:543:30: error: dereferencing pointer to incomplete type Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-06serial: New serial driver SCCNXPAlexander Shiyan1-0/+985
This driver is a replacement for a SC26XX driver with a lot of improvements and new features. The main differences from the SC26XX driver: - Removed dependency on MIPS. Driver can be used on any platform. - Added support for SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, SC28L202, SCC68681 and SCC68692 ICs. - Using devm_-related functions. - Improved error handling of serial port, improved FIFO handling. - Ability to load multiple instances of drivers. To avoid the possibility of regression, driver SC26XX left in the system to confirm the stability of the driver on platforms where it is being used. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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