https://github.com/torvalds/linux
Revision 12701ce524bc9b7c6345a2425208501fd2c62aad authored by Badhri Jagan Sridharan on 10 May 2021, 21:17:56 UTC, committed by Greg Kroah-Hartman on 13 May 2021, 13:01:04 UTC
This is a regression introduced by 1373fefc6243 ("usb: typec: tcpm: Allow slow charging loops to comply to pSnkStby") When Source advertises Rp-default, tcpm would request 500mA when in SINK_DISCOVERY, Type-C spec advises the sink to follow BC1.2 current limits when Rp-default is advertised. [12750.503381] Requesting mux state 1, usb-role 2, orientation 1 [12750.503837] state change SNK_ATTACHED -> SNK_STARTUP [rev3 NONE_AMS] [12751.003891] state change SNK_STARTUP -> SNK_DISCOVERY [12751.003900] Setting voltage/current limit 5000 mV 500 mA This patch restores the behavior where the tcpm would request 0mA when Rp-default is advertised by the source. [ 73.174252] Requesting mux state 1, usb-role 2, orientation 1 [ 73.174749] state change SNK_ATTACHED -> SNK_STARTUP [rev3 NONE_AMS] [ 73.674800] state change SNK_STARTUP -> SNK_DISCOVERY [ 73.674808] Setting voltage/current limit 5000 mV 0 mA During SNK_DISCOVERY, Cap the current limit to PD_P_SNK_STDBY_MW / 5 only for slow_charger_loop case. Fixes: 1373fefc6243 ("usb: typec: tcpm: Allow slow charging loops to comply to pSnkStby") Reviewed-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Badhri Jagan Sridharan <badhri@google.com> Link: https://lore.kernel.org/r/20210510211756.3346954-1-badhri@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 parent 3c12878
Tip revision: 12701ce524bc9b7c6345a2425208501fd2c62aad authored by Badhri Jagan Sridharan on 10 May 2021, 21:17:56 UTC
usb: typec: tcpm: Fix SINK_DISCOVERY current limit for Rp-default
usb: typec: tcpm: Fix SINK_DISCOVERY current limit for Rp-default
Tip revision: 12701ce
File | Mode | Size |
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bpf | ||
cgroup | ||
configs | ||
debug | ||
dma | ||
entry | ||
events | ||
gcov | ||
irq | ||
kcsan | ||
livepatch | ||
locking | ||
power | ||
printk | ||
rcu | ||
sched | ||
time | ||
trace | ||
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Kconfig.freezer | -rw-r--r-- | 92 bytes |
Kconfig.hz | -rw-r--r-- | 1.7 KB |
Kconfig.locks | -rw-r--r-- | 4.9 KB |
Kconfig.preempt | -rw-r--r-- | 3.7 KB |
Makefile | -rw-r--r-- | 5.2 KB |
acct.c | -rw-r--r-- | 15.5 KB |
async.c | -rw-r--r-- | 9.3 KB |
audit.c | -rw-r--r-- | 63.5 KB |
audit.h | -rw-r--r-- | 10.4 KB |
audit_fsnotify.c | -rw-r--r-- | 5.2 KB |
audit_tree.c | -rw-r--r-- | 25.6 KB |
audit_watch.c | -rw-r--r-- | 13.7 KB |
auditfilter.c | -rw-r--r-- | 34.1 KB |
auditsc.c | -rw-r--r-- | 71.7 KB |
backtracetest.c | -rw-r--r-- | 1.9 KB |
bounds.c | -rw-r--r-- | 751 bytes |
capability.c | -rw-r--r-- | 14.8 KB |
cfi.c | -rw-r--r-- | 8.0 KB |
compat.c | -rw-r--r-- | 7.3 KB |
configs.c | -rw-r--r-- | 2.0 KB |
context_tracking.c | -rw-r--r-- | 6.4 KB |
cpu.c | -rw-r--r-- | 62.4 KB |
cpu_pm.c | -rw-r--r-- | 5.4 KB |
crash_core.c | -rw-r--r-- | 12.8 KB |
crash_dump.c | -rw-r--r-- | 1.1 KB |
cred.c | -rw-r--r-- | 23.3 KB |
delayacct.c | -rw-r--r-- | 4.7 KB |
dma.c | -rw-r--r-- | 3.3 KB |
exec_domain.c | -rw-r--r-- | 1.1 KB |
exit.c | -rw-r--r-- | 44.8 KB |
extable.c | -rw-r--r-- | 4.4 KB |
fail_function.c | -rw-r--r-- | 7.0 KB |
fork.c | -rw-r--r-- | 75.5 KB |
freezer.c | -rw-r--r-- | 4.4 KB |
futex.c | -rw-r--r-- | 109.0 KB |
gen_kheaders.sh | -rwxr-xr-x | 3.2 KB |
groups.c | -rw-r--r-- | 4.8 KB |
hung_task.c | -rw-r--r-- | 7.5 KB |
iomem.c | -rw-r--r-- | 4.7 KB |
irq_work.c | -rw-r--r-- | 5.0 KB |
jump_label.c | -rw-r--r-- | 21.2 KB |
kallsyms.c | -rw-r--r-- | 19.6 KB |
kcmp.c | -rw-r--r-- | 5.4 KB |
kcov.c | -rw-r--r-- | 27.7 KB |
kexec.c | -rw-r--r-- | 8.0 KB |
kexec_core.c | -rw-r--r-- | 31.2 KB |
kexec_elf.c | -rw-r--r-- | 11.4 KB |
kexec_file.c | -rw-r--r-- | 33.4 KB |
kexec_internal.h | -rw-r--r-- | 924 bytes |
kheaders.c | -rw-r--r-- | 1.6 KB |
kmod.c | -rw-r--r-- | 5.0 KB |
kprobes.c | -rw-r--r-- | 67.6 KB |
ksysfs.c | -rw-r--r-- | 6.3 KB |
kthread.c | -rw-r--r-- | 39.1 KB |
latencytop.c | -rw-r--r-- | 7.2 KB |
module-internal.h | -rw-r--r-- | 782 bytes |
module.c | -rw-r--r-- | 119.1 KB |
module_signature.c | -rw-r--r-- | 1.1 KB |
module_signing.c | -rw-r--r-- | 1.1 KB |
notifier.c | -rw-r--r-- | 16.3 KB |
nsproxy.c | -rw-r--r-- | 12.8 KB |
padata.c | -rw-r--r-- | 28.0 KB |
panic.c | -rw-r--r-- | 18.3 KB |
params.c | -rw-r--r-- | 22.7 KB |
pid.c | -rw-r--r-- | 17.0 KB |
pid_namespace.c | -rw-r--r-- | 11.2 KB |
profile.c | -rw-r--r-- | 14.8 KB |
ptrace.c | -rw-r--r-- | 37.0 KB |
range.c | -rw-r--r-- | 3.0 KB |
reboot.c | -rw-r--r-- | 18.9 KB |
regset.c | -rw-r--r-- | 1.9 KB |
relay.c | -rw-r--r-- | 30.0 KB |
resource.c | -rw-r--r-- | 48.1 KB |
resource_kunit.c | -rw-r--r-- | 4.3 KB |
rseq.c | -rw-r--r-- | 10.1 KB |
scftorture.c | -rw-r--r-- | 18.1 KB |
scs.c | -rw-r--r-- | 2.8 KB |
seccomp.c | -rw-r--r-- | 61.7 KB |
signal.c | -rw-r--r-- | 121.3 KB |
smp.c | -rw-r--r-- | 33.2 KB |
smpboot.c | -rw-r--r-- | 11.8 KB |
smpboot.h | -rw-r--r-- | 640 bytes |
softirq.c | -rw-r--r-- | 23.6 KB |
stackleak.c | -rw-r--r-- | 3.6 KB |
stacktrace.c | -rw-r--r-- | 9.6 KB |
static_call.c | -rw-r--r-- | 12.4 KB |
stop_machine.c | -rw-r--r-- | 17.8 KB |
sys.c | -rw-r--r-- | 63.5 KB |
sys_ni.c | -rw-r--r-- | 10.2 KB |
sysctl-test.c | -rw-r--r-- | 10.8 KB |
sysctl.c | -rw-r--r-- | 79.5 KB |
task_work.c | -rw-r--r-- | 4.6 KB |
taskstats.c | -rw-r--r-- | 15.2 KB |
test_kprobes.c | -rw-r--r-- | 5.9 KB |
torture.c | -rw-r--r-- | 25.3 KB |
tracepoint.c | -rw-r--r-- | 16.3 KB |
tsacct.c | -rw-r--r-- | 4.7 KB |
ucount.c | -rw-r--r-- | 5.7 KB |
uid16.c | -rw-r--r-- | 5.1 KB |
uid16.h | -rw-r--r-- | 442 bytes |
umh.c | -rw-r--r-- | 15.1 KB |
up.c | -rw-r--r-- | 1.5 KB |
user-return-notifier.c | -rw-r--r-- | 1.3 KB |
user.c | -rw-r--r-- | 5.5 KB |
user_namespace.c | -rw-r--r-- | 34.9 KB |
usermode_driver.c | -rw-r--r-- | 4.3 KB |
utsname.c | -rw-r--r-- | 3.8 KB |
utsname_sysctl.c | -rw-r--r-- | 3.2 KB |
watch_queue.c | -rw-r--r-- | 16.4 KB |
watchdog.c | -rw-r--r-- | 20.2 KB |
watchdog_hld.c | -rw-r--r-- | 7.7 KB |
workqueue.c | -rw-r--r-- | 166.2 KB |
workqueue_internal.h | -rw-r--r-- | 2.4 KB |
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