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linux/drivers/char
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Stuart Yoder dbfdaeb381 tpm_crb: Add idle support for the Arm FF-A start method 
According to the CRB over FF-A specification [1], a TPM that implements
the ABI must comply with the TCG PTP specification. This requires support
for the Idle and Ready states.

This patch implements CRB control area requests for goIdle and
cmdReady on FF-A based TPMs.

The FF-A message used to notify the TPM of CRB updates includes a
locality parameter, which provides a hint to the TPM about which
locality modified the CRB.  This patch adds a locality parameter
to __crb_go_idle() and __crb_cmd_ready() to support this.

[1] https://developer.arm.com/documentation/den0138/latest/

Signed-off-by: Stuart Yoder <stuart.yoder@arm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
 		2025-10-18 14:33:22 +03:00
..
agp agp/amd64: Check AGP Capability before binding to unsupported devices 2025-07-09 07:23:09 +02:00
hw_random This update includes the following changes: 2025-10-04 14:59:29 -07:00
ipmi ipmi: Fix handling of messages with provided receive message pointer 2025-10-07 06:50:08 -05:00
mwave
…
tpm tpm_crb: Add idle support for the Arm FF-A start method 2025-10-18 14:33:22 +03:00
xilinx_hwicap char: Switch back to struct platform_driver::remove() 2024-11-05 05:33:47 +01:00
xillybus char: xillybus: Use to_delayed_work() 2025-04-17 10:56:11 +02:00
Kconfig drivers: char: SONYPI depends on HAS_IOPORT 2025-06-24 16:44:19 +01:00
Makefile char: misc: Move drivers/misc/misc_minor_kunit.c to drivers/char/ 2025-08-19 12:41:17 +02:00
adi.c char/adi: Remove redundant less-than-zero check in adi_write() 2025-09-06 16:00:36 +02:00
apm-emulation.c apm-emulation: hide an unused variable 2025-04-17 10:56:11 +02:00
applicom.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
applicom.h
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bsr.c bsr: add missing MODULE_DESCRIPTION() macro 2024-07-03 16:40:53 +02:00
ds1620.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
dsp56k.c dsp56k: add missing MODULE_DESCRIPTION() macro 2024-07-03 16:40:26 +02:00
dtlk.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
hangcheck-timer.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
hpet.c hpet: Use str_plural() to simplify the code 2025-08-19 12:50:36 +02:00
lp.c parport: Remove parport_driver.devmodel 2024-07-03 16:44:22 +02:00
mem.c /dev/zero: try to align PMD_SIZE for private mapping 2025-09-13 16:54:42 -07:00
misc.c char: Use list_del_init() in misc_deregister() to reinitialize list pointer 2025-09-06 19:43:18 +02:00
misc_minor_kunit.c char: misc: Add a case to test registering miscdevice again without reinitialization 2025-08-19 12:41:17 +02:00
nsc_gpio.c
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nvram.c char: add missing MODULE_DESCRIPTION() macros 2024-06-04 17:40:17 +02:00
nwbutton.c char: add missing NetWinder MODULE_DESCRIPTION() macros 2024-07-31 13:47:45 +02:00
nwbutton.h
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nwflash.c char: add missing NetWinder MODULE_DESCRIPTION() macros 2024-07-31 13:47:45 +02:00
pc8736x_gpio.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
powernv-op-panel.c char: Switch back to struct platform_driver::remove() 2024-11-05 05:33:47 +01:00
ppdev.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
ps3flash.c
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random.c lib/ratelimit: Reduce false-positive and silent misses 2025-05-27 10:48:36 -07:00
scx200_gpio.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
sonypi.c sonypi: Use str_on_off() helper in sonypi_display_info() 2025-02-20 15:25:09 +01:00
tlclk.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
toshiba.c
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ttyprintk.c char: add missing MODULE_DESCRIPTION() macros 2024-06-04 17:40:17 +02:00
uv_mmtimer.c
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virtio_console.c virtio_console: fix order of fields cols and rows 2025-04-18 10:08:11 -04:00