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path: root/drivers/tty/vcc.c
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2020-04-28sparc64: vcc: Fix error return code in vcc_probe()Wei Yongjun1-0/+1
Fix to return negative error code -ENOMEM from the error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
2019-04-04tty: fix up a few remaining files without SPDX identifiersGreg Kroah-Hartman1-0/+1
There were a few straggling files under drivers/tty/ that did not have any SPDX identifier either because they entered the tree recently, or they somehow missed the mass-tagging of commit b24413180f56 ("License cleanup: add SPDX GPL-2.0 license identifier to files with no license") This commit follows the same rule as b24413180f56 ("License cleanup: add SPDX GPL-2.0 license identifier to files with no license") where files without any specified license in them fall under GPL-2.0 as the correct license for the individual file. Add that identifier to these remaining files so that we don't have to guess at the license of them in the future. Cc: Jiri Slaby <[email protected]> Cc: "David S. Miller" <[email protected]> Reviewed-by: Mukesh Ojha <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-11-04tty: vcc: Convert timers to use timer_setup()Kees Cook1-14/+6
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: "David S. Miller" <[email protected]> Cc: Jiri Slaby <[email protected]> Cc: [email protected] Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-10-03drivers: tty: vcc: use setup_timer() helper.Allen Pais1-7/+2
Use setup_timer function instead of initializing timer with the function and data fields. Signed-off-by: Allen Pais <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-08-29sparc64: vcc: make ktermios constBhumika Goyal1-1/+1
Make this const as it is not modified anywhere. Signed-off-by: Bhumika Goyal <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-28sparc64: vcc: Check for IS_ERR() instead of NULLDan Carpenter1-2/+2
The tty_alloc_driver() function never returns NULL, it returns error pointers on error. Fixes: ce808b746325 ("sparc64: vcc: TTY driver initialization and cleanup") Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Add install & cleanup TTY operationsJag Raman1-0/+73
Add handlers to support TTY install & cleanup operations Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Add break_ctl TTY operationJag Raman1-0/+35
Add handler to support TTY break_ctl operation Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Add chars_in_buffer TTY operationJag Raman1-5/+29
Add handler to support TTY chars_in_buffer operation Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Add write & write_room TTY operationsJag Raman1-3/+98
Add handlers to support TTY write & write_room operations Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Add hangup TTY operationJag Raman1-0/+41
Add handler to support TTY hangup operation Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Add open & close TTY operationsJag Raman1-1/+62
Add handlers to support TTY open & close operations Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Enable LDC event processing engineJag Raman1-0/+34
Enable event processing engine to handle LDC events Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Add RX & TX timer for delayed LDC operationJag Raman1-2/+193
Add RX & TX timers to perform delayed/asynchronous LDC read and write operations. Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Create sysfs attribute groupJag Raman1-0/+82
Create sysfs attribute group to show the domain name and send break command. Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Enable VCC port probe and removalJag Raman1-0/+379
Enables VCC port probe and removal to initialize and terminate VCC ports respectively. When a device/port matching the VCC driver is added, the probe function is invoked along with a reference to the device. remove function is called when the device is removed. Also add APIs to cache and retrieve VCC ports from a VCC table Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: TTY driver initialization and cleanupJag Raman1-1/+82
Allocate and register TTY driver during module init. Cleanup TTY driver during module exit. Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Add VCC debug message macrosJag Raman1-0/+41
Add C macros to print debug messages from VCC module Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-08-15sparc64: vcc: Enable VCC module in linuxJag Raman1-0/+18
Enables the Virtual Console Concentrator (VCC) module in linux kernel Signed-off-by: Jagannathan Raman <[email protected]> Reviewed-by: Liam Merwick <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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