linux/drivers/tty/serial
Linus Torvalds 5469f160e6 Power management updates for 5.13-rc1
- Add idle states table for IceLake-D to the intel_idle driver and
    update IceLake-X C6 data in it (Artem Bityutskiy).
 
  - Fix the C7 idle state on Tegra114 in the tegra cpuidle driver and
    drop the unused do_idle() firmware call from it (Dmitry Osipenko).
 
  - Fix cpuidle-qcom-spm Kconfig entry (He Ying).
 
  - Fix handling of possible negative tick_nohz_get_next_hrtimer()
    return values of in cpuidle governors (Rafael Wysocki).
 
  - Add support for frequency-invariance to the ACPI CPPC cpufreq
    driver and update the frequency-invariance engine (FIE) to use it
    as needed (Viresh Kumar).
 
  - Simplify the default delay_us setting in the ACPI CPPC cpufreq
    driver (Tom Saeger).
 
  - Clean up frequency-related computations in the intel_pstate
    cpufreq driver (Rafael Wysocki).
 
  - Fix TBG parent setting for load levels in the armada-37xx
    cpufreq driver and drop the CPU PM clock .set_parent method for
    armada-37xx (Marek Behún).
 
  - Fix multiple issues in the armada-37xx cpufreq driver (Pali Rohár).
 
  - Fix handling of dev_pm_opp_of_cpumask_add_table() return values
    in cpufreq-dt to take the -EPROBE_DEFER one into acconut as
    appropriate (Quanyang Wang).
 
  - Fix format string in ia64-acpi-cpufreq (Sergei Trofimovich).
 
  - Drop the unused for_each_policy() macro from cpufreq (Shaokun
    Zhang).
 
  - Simplify computations in the schedutil cpufreq governor to avoid
    unnecessary overhead (Yue Hu).
 
  - Fix typos in the s5pv210 cpufreq driver (Bhaskar Chowdhury).
 
  - Fix cpufreq documentation links in Kconfig (Alexander Monakov).
 
  - Fix PCI device power state handling in pci_enable_device_flags()
    to avoid issuse in some cases when the device depends on an ACPI
    power resource (Rafael Wysocki).
 
  - Add missing documentation of pm_runtime_resume_and_get() (Alan
    Stern).
 
  - Add missing static inline stub for pm_runtime_has_no_callbacks()
    to pm_runtime.h and drop the unused try_to_freeze_nowarn()
    definition (YueHaibing).
 
  - Drop duplicate struct device declaration from pm.h and fix a
    structure type declaration in intel_rapl.h (Wan Jiabing).
 
  - Use dev_set_name() instead of an open-coded equivalent of it in
    the wakeup sources code and drop a redundant local variable
    initialization from it (Andy Shevchenko, Colin Ian King).
 
  - Use crc32 instead of md5 for e820 memory map integrity check
    during resume from hibernation on x86 (Chris von Recklinghausen).
 
  - Fix typos in comments in the system-wide and hibernation support
    code (Lu Jialin).
 
  - Modify the generic power domains (genpd) code to avoid resuming
    devices in the "prepare" phase of system-wide suspend and
    hibernation (Ulf Hansson).
 
  - Add Hygon Fam18h RAPL support to the intel_rapl power capping
    driver (Pu Wen).
 
  - Add MAINTAINERS entry for the dynamic thermal power management
    (DTPM) code (Daniel Lezcano).
 
  - Add devm variants of operating performance points (OPP) API
    functions and switch over some users of the OPP framework to
    the new resource-managed API (Yangtao Li and Dmitry Osipenko).
 
  - Update devfreq core:
 
    * Register devfreq devices as cooling devices on demand (Daniel
      Lezcano).
 
    * Add missing unlock opeation in devfreq_add_device() (Lukasz
      Luba).
 
    * Use the next frequency as resume_freq instead of the previous
      frequency when using the opp-suspend property (Dong Aisheng).
 
    * Check get_dev_status in devfreq_update_stats() (Dong Aisheng).
 
    * Fix set_freq path for the userspace governor in Kconfig (Dong
      Aisheng).
 
    * Remove invalid description of get_target_freq() (Dong Aisheng).
 
  - Update devfreq drivers:
 
    * imx8m-ddrc: Remove imx8m_ddrc_get_dev_status() and unneeded
      of_match_ptr() (Dong Aisheng, Fabio Estevam).
 
    * rk3399_dmc: dt-bindings: Add rockchip,pmu phandle and drop
      references to undefined symbols (Enric Balletbo i Serra, Gaël
      PORTAY).
 
    * rk3399_dmc: Use dev_err_probe() to simplify the code (Krzysztof
      Kozlowski).
 
    * imx-bus: Remove unneeded of_match_ptr() (Fabio Estevam).
 
  - Fix kernel-doc warnings in three places (Pierre-Louis Bossart).
 
  - Fix typo in the pm-graph utility code (Ricardo Ribalda).
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Merge tag 'pm-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These add some new hardware support (for example, IceLake-D idle
  states in intel_idle), fix some issues (for example, the handling of
  negative "sleep length" values in cpuidle governors), add new
  functionality to the existing drivers (for example, scale-invariance
  support in the ACPI CPPC cpufreq driver) and clean up code all over.

  Specifics:

   - Add idle states table for IceLake-D to the intel_idle driver and
     update IceLake-X C6 data in it (Artem Bityutskiy).

   - Fix the C7 idle state on Tegra114 in the tegra cpuidle driver and
     drop the unused do_idle() firmware call from it (Dmitry Osipenko).

   - Fix cpuidle-qcom-spm Kconfig entry (He Ying).

   - Fix handling of possible negative tick_nohz_get_next_hrtimer()
     return values of in cpuidle governors (Rafael Wysocki).

   - Add support for frequency-invariance to the ACPI CPPC cpufreq
     driver and update the frequency-invariance engine (FIE) to use it
     as needed (Viresh Kumar).

   - Simplify the default delay_us setting in the ACPI CPPC cpufreq
     driver (Tom Saeger).

   - Clean up frequency-related computations in the intel_pstate cpufreq
     driver (Rafael Wysocki).

   - Fix TBG parent setting for load levels in the armada-37xx cpufreq
     driver and drop the CPU PM clock .set_parent method for armada-37xx
     (Marek Behún).

   - Fix multiple issues in the armada-37xx cpufreq driver (Pali Rohár).

   - Fix handling of dev_pm_opp_of_cpumask_add_table() return values in
     cpufreq-dt to take the -EPROBE_DEFER one into acconut as
     appropriate (Quanyang Wang).

   - Fix format string in ia64-acpi-cpufreq (Sergei Trofimovich).

   - Drop the unused for_each_policy() macro from cpufreq (Shaokun
     Zhang).

   - Simplify computations in the schedutil cpufreq governor to avoid
     unnecessary overhead (Yue Hu).

   - Fix typos in the s5pv210 cpufreq driver (Bhaskar Chowdhury).

   - Fix cpufreq documentation links in Kconfig (Alexander Monakov).

   - Fix PCI device power state handling in pci_enable_device_flags() to
     avoid issuse in some cases when the device depends on an ACPI power
     resource (Rafael Wysocki).

   - Add missing documentation of pm_runtime_resume_and_get() (Alan
     Stern).

   - Add missing static inline stub for pm_runtime_has_no_callbacks() to
     pm_runtime.h and drop the unused try_to_freeze_nowarn() definition
     (YueHaibing).

   - Drop duplicate struct device declaration from pm.h and fix a
     structure type declaration in intel_rapl.h (Wan Jiabing).

   - Use dev_set_name() instead of an open-coded equivalent of it in the
     wakeup sources code and drop a redundant local variable
     initialization from it (Andy Shevchenko, Colin Ian King).

   - Use crc32 instead of md5 for e820 memory map integrity check during
     resume from hibernation on x86 (Chris von Recklinghausen).

   - Fix typos in comments in the system-wide and hibernation support
     code (Lu Jialin).

   - Modify the generic power domains (genpd) code to avoid resuming
     devices in the "prepare" phase of system-wide suspend and
     hibernation (Ulf Hansson).

   - Add Hygon Fam18h RAPL support to the intel_rapl power capping
     driver (Pu Wen).

   - Add MAINTAINERS entry for the dynamic thermal power management
     (DTPM) code (Daniel Lezcano).

   - Add devm variants of operating performance points (OPP) API
     functions and switch over some users of the OPP framework to the
     new resource-managed API (Yangtao Li and Dmitry Osipenko).

   - Update devfreq core:

      * Register devfreq devices as cooling devices on demand (Daniel
        Lezcano).

      * Add missing unlock opeation in devfreq_add_device() (Lukasz
        Luba).

      * Use the next frequency as resume_freq instead of the previous
        frequency when using the opp-suspend property (Dong Aisheng).

      * Check get_dev_status in devfreq_update_stats() (Dong Aisheng).

      * Fix set_freq path for the userspace governor in Kconfig (Dong
        Aisheng).

      * Remove invalid description of get_target_freq() (Dong Aisheng).

   - Update devfreq drivers:

      * imx8m-ddrc: Remove imx8m_ddrc_get_dev_status() and unneeded
        of_match_ptr() (Dong Aisheng, Fabio Estevam).

      * rk3399_dmc: dt-bindings: Add rockchip,pmu phandle and drop
        references to undefined symbols (Enric Balletbo i Serra, Gaël
        PORTAY).

      * rk3399_dmc: Use dev_err_probe() to simplify the code (Krzysztof
        Kozlowski).

      * imx-bus: Remove unneeded of_match_ptr() (Fabio Estevam).

   - Fix kernel-doc warnings in three places (Pierre-Louis Bossart).

   - Fix typo in the pm-graph utility code (Ricardo Ribalda)"

* tag 'pm-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (74 commits)
  PM: wakeup: remove redundant assignment to variable retval
  PM: hibernate: x86: Use crc32 instead of md5 for hibernation e820 integrity check
  cpufreq: Kconfig: fix documentation links
  PM: wakeup: use dev_set_name() directly
  PM: runtime: Add documentation for pm_runtime_resume_and_get()
  cpufreq: intel_pstate: Simplify intel_pstate_update_perf_limits()
  cpufreq: armada-37xx: Fix module unloading
  cpufreq: armada-37xx: Remove cur_frequency variable
  cpufreq: armada-37xx: Fix determining base CPU frequency
  cpufreq: armada-37xx: Fix driver cleanup when registration failed
  clk: mvebu: armada-37xx-periph: Fix workaround for switching from L1 to L0
  clk: mvebu: armada-37xx-periph: Fix switching CPU freq from 250 Mhz to 1 GHz
  cpufreq: armada-37xx: Fix the AVS value for load L1
  clk: mvebu: armada-37xx-periph: remove .set_parent method for CPU PM clock
  cpufreq: armada-37xx: Fix setting TBG parent for load levels
  cpuidle: Fix ARM_QCOM_SPM_CPUIDLE configuration
  cpuidle: tegra: Remove do_idle firmware call
  cpuidle: tegra: Fix C7 idling state on Tegra114
  PM: sleep: fix typos in comments
  cpufreq: Remove unused for_each_policy macro
  ...
2021-04-26 15:10:25 -07:00
..
8250 serial: extend compile-test coverage 2021-04-22 13:12:13 +02:00
cpm_uart tty: cpm_uart, use port->flags instead of low_latency 2021-01-07 16:17:31 +01:00
jsm Merge 5.12-rc6 into tty-next 2021-04-05 08:59:21 +02:00
21285.c tty: serial: 21285: fix lockup on open 2020-10-28 13:39:14 +01:00
altera_jtaguart.c serial: altera_jtaguart: drop low-latency workaround 2021-04-22 12:09:24 +02:00
altera_uart.c serial: altera_uart: drop low-latency workaround 2021-04-22 12:09:24 +02:00
amba-pl010.c serial: amba-pl010: drop low-latency workaround 2021-04-22 12:09:24 +02:00
amba-pl011.c serial: amba-pl011: drop low-latency workaround 2021-04-22 12:09:24 +02:00
amba-pl011.h
apbuart.c serial: apbuart: drop low-latency workaround 2021-04-22 12:09:25 +02:00
apbuart.h
ar933x_uart.c serial: ar933x: drop low-latency workaround 2021-04-22 12:09:25 +02:00
arc_uart.c serial: arc_uart: drop low-latency workaround 2021-04-22 12:09:25 +02:00
atmel_serial.c serial: atmel_serial: drop low-latency workaround 2021-04-22 12:09:25 +02:00
atmel_serial.h tty: serial: Use the correct style for SPDX License Identifier 2020-03-07 09:52:01 +01:00
bcm63xx_uart.c serial: bcm63xx: drop low-latency workaround 2021-04-22 12:09:25 +02:00
clps711x.c
digicolor-usart.c
dz.c
dz.h
earlycon-arm-semihost.c
earlycon-riscv-sbi.c
earlycon.c earlycon: simplify earlycon-table implementation 2020-12-04 15:49:48 +01:00
fsl_linflexuart.c tty: serial: linflexuart: Remove unnecessary '|' operation and add error count 2020-11-06 17:12:30 +01:00
fsl_lpuart.c serial: fsl_lpuart: Use of_device_get_match_data() 2021-01-20 18:48:15 +01:00
icom.c serial: icom: drop low-latency workaround 2021-04-22 12:09:25 +02:00
icom.h tty: serial: Use the correct style for SPDX License Identifier 2020-03-07 09:52:01 +01:00
imx_earlycon.c tty: serial: imx: add imx earlycon driver 2020-07-29 17:11:02 +02:00
imx.c serial: imx: drop workaround for forced irq threading 2021-03-23 10:32:44 +01:00
ip22zilog.c
ip22zilog.h
Kconfig serial: extend compile-test coverage 2021-04-22 13:12:13 +02:00
kgdb_nmi.c tty: do not check tty_unregister_driver's return value 2021-03-10 09:34:09 +01:00
kgdboc.c Linux 5.8-rc6 2020-07-20 09:39:11 +02:00
lantiq.c tty/serial/lantiq: convert comma to semicolon 2020-12-28 16:10:50 +01:00
liteuart.c serial: liteuart: fix return value check in liteuart_probe() 2021-03-10 09:34:10 +01:00
lpc32xx_hs.c serial: lpc32xx_hs: drop low-latency workaround 2021-04-22 12:09:25 +02:00
Makefile serial: ifx6x60: Remove driver for deprecated platform 2021-01-26 19:21:49 +01:00
max310x.c tty: max310x: fix flexible_array.cocci warnings 2021-03-23 10:24:27 +01:00
max3100.c tty_port: drop last traces of low_latency 2021-01-07 16:17:32 +01:00
mcf.c serial: mcf: drop low-latency workaround 2021-04-22 12:09:25 +02:00
men_z135_uart.c tty: serial, fix kernel-doc 2020-08-18 13:51:18 +02:00
meson_uart.c serial: meson: drop low-latency workaround 2021-04-22 12:09:25 +02:00
milbeaut_usio.c
mpc52xx_uart.c serial: mpc52xx_uart: drop low-latency workaround 2021-04-22 12:09:25 +02:00
mps2-uart.c
msm_serial.c serial: msm_serial: drop low-latency workaround 2021-04-22 12:09:25 +02:00
mux.c
mvebu-uart.c serial: mvebu-uart: fix tx lost characters at power off 2020-12-28 16:17:34 +01:00
mxs-auart.c serial: mxs-auart: Remove <asm/cacheflush.h> 2021-01-20 18:48:19 +01:00
omap-serial.c serial: omap: fix rs485 half-duplex filtering 2021-04-22 12:07:07 +02:00
owl-uart.c serial: owl: drop low-latency workaround 2021-04-22 12:09:25 +02:00
pch_uart.c serial: pch_uart: fix build error with !CONFIG_DEBUG_FS 2021-03-23 10:31:09 +01:00
pic32_uart.c serial: pic32_uart: Use uart_console() helper 2020-03-12 10:00:22 +01:00
pic32_uart.h tty: serial: Use the correct style for SPDX License Identifier 2020-03-07 09:52:01 +01:00
pmac_zilog.c m68k: Fix WARNING splat in pmac_zilog driver 2020-11-23 11:31:00 +01:00
pmac_zilog.h tty: serial: pmac_zilog: Remove unused disposable variable 'garbage' 2020-11-13 15:28:27 +01:00
pxa.c
qcom_geni_serial.c Power management updates for 5.13-rc1 2021-04-26 15:10:25 -07:00
rda-uart.c serial: rda: drop low-latency workaround 2021-04-22 12:09:26 +02:00
rp2.c serial: rp2: drop low-latency workaround 2021-04-22 12:09:26 +02:00
sa1100.c serial: sa1100: drop low-latency workaround 2021-04-22 12:09:26 +02:00
samsung_tty.c tty: serial: samsung_tty: remove spinlock flags in interrupt handlers 2021-03-23 10:20:38 +01:00
sb1250-duart.c MIPS: Replace SIBYTE_1956_WAR by CONFIG_SB1_PASS_2_WORKAROUNDS 2020-09-07 22:24:51 +02:00
sc16is7xx.c sc16is7xx: Defer probe if device read fails 2021-04-05 12:07:32 +02:00
sccnxp.c
serial_core.c serial: core: return early on unsupported ioctls 2021-04-10 10:36:34 +02:00
serial_mctrl_gpio.c serial: mctrl_gpio: Fix passing zero to 'ERR_PTR' warning 2020-11-06 17:12:05 +01:00
serial_mctrl_gpio.h tty: serial: Use the correct style for SPDX License Identifier 2020-03-07 09:52:01 +01:00
serial_txx9.c serial: txx9: drop low-latency workaround 2021-04-22 12:09:26 +02:00
serial-tegra.c tty: serial: serial-tegra: Provide some missing struct member descriptions 2020-11-06 10:54:05 +01:00
sh-sci.c serial: sh-sci: remove obsolete latency workaround 2021-04-15 12:59:16 +02:00
sh-sci.h serial: sh-sci: Drop unused include 2020-04-16 16:13:34 +02:00
sifive.c serial: sifive: drop low-latency workaround 2021-04-22 12:09:26 +02:00
sprd_serial.c serial: sprd: remove redundant sprd_port cleanup 2020-03-18 12:20:04 +01:00
st-asc.c
stm32-usart.c serial: stm32: add FIFO threshold configuration 2021-04-22 12:11:25 +02:00
stm32-usart.h serial: stm32: add FIFO threshold configuration 2021-04-22 12:11:25 +02:00
suncore.c
sunhv.c Revert "serial: sunhv: Initialize lock for non-registered console" 2020-07-21 18:21:49 +02:00
sunsab.c serial: sunsab: Return proper error code from console ->setup() hook 2020-06-25 14:21:28 +02:00
sunsab.h
sunsu.c serial: sunsu: drop low-latency workaround 2021-04-22 12:09:26 +02:00
sunzilog.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
sunzilog.h
tegra-tcu.c serial: Add missing MODULE_DEVICE_TABLE 2021-04-10 10:37:27 +02:00
timbuart.c serial: timbuart: drop low-latency workaround 2021-04-22 12:09:26 +02:00
timbuart.h tty: serial: Use the correct style for SPDX License Identifier 2020-03-07 09:52:01 +01:00
uartlite.c tty: serial: uartlite: Support probe deferral 2020-12-04 16:51:40 +01:00
ucc_uart.c tty: serial: ucc_uart: replace qe_io{read,write}* wrappers by generic io{read,write}* 2021-04-06 15:40:42 -05:00
vr41xx_siu.c
vt8500_serial.c serial: vt8500: drop low-latency workaround 2021-04-22 12:09:26 +02:00
xilinx_uartps.c serial: xilinx_uartps: drop low-latency workaround 2021-04-22 12:09:26 +02:00
zs.c
zs.h