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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-10-05 16:42:36 -0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-10-05 16:43:53 -0300
commit9fce0c226536fc36c7fb0a80000ca38a995be43e (patch)
treed1d03d4a831bb143ffd401cefa0f44f636ac0084 /drivers/usb/core/hub.c
parent3cc2691227203c00cac1d82d6b0772224d5c87b2 (diff)
parentc8d2bc9bc39ebea8437fd974fdbc21847bb897a3 (diff)
Merge tag 'v4.8' into patchwork
Linux 4.8 * tag 'v4.8': (1761 commits) Linux 4.8 ARM: 8618/1: decompressor: reset ttbcr fields to use TTBR0 on ARMv7 MIPS: CM: Fix mips_cm_max_vp_width for non-MT kernels on MT systems include/linux/property.h: fix typo/compile error ocfs2: fix deadlock on mmapped page in ocfs2_write_begin_nolock() mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page() MAINTAINERS: Switch to kernel.org email address for Javi Merino x86/entry/64: Fix context tracking state warning when load_gs_index fails x86/boot: Initialize FPU and X86_FEATURE_ALWAYS even if we don't have CPUID x86/vdso: Fix building on big endian host x86/boot: Fix another __read_cr4() case on 486 sctp: fix the issue sctp_diag uses lock_sock in rcu_read_lock sctp: change to check peer prsctp_capable when using prsctp polices sctp: remove prsctp_param from sctp_chunk sctp: move sent_count to the memory hole in sctp_chunk tg3: Avoid NULL pointer dereference in tg3_io_error_detected() x86/init: Fix cr4_init_shadow() on CR4-less machines MIPS: Fix detection of unsupported highmem with cache aliases MIPS: Malta: Fix IOCU disable switch read for MIPS64 MIPS: Fix BUILD_ROLLBACK_PROLOGUE for microMIPS ...
Diffstat (limited to 'drivers/usb/core/hub.c')
-rw-r--r--drivers/usb/core/hub.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index bee13517676f..1d5fc32d06d0 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1052,14 +1052,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
/* Continue a partial initialization */
if (type == HUB_INIT2 || type == HUB_INIT3) {
- device_lock(hub->intfdev);
+ device_lock(&hdev->dev);
/* Was the hub disconnected while we were waiting? */
- if (hub->disconnected) {
- device_unlock(hub->intfdev);
- kref_put(&hub->kref, hub_release);
- return;
- }
+ if (hub->disconnected)
+ goto disconnected;
if (type == HUB_INIT2)
goto init2;
goto init3;
@@ -1262,7 +1259,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
queue_delayed_work(system_power_efficient_wq,
&hub->init_work,
msecs_to_jiffies(delay));
- device_unlock(hub->intfdev);
+ device_unlock(&hdev->dev);
return; /* Continues at init3: below */
} else {
msleep(delay);
@@ -1281,12 +1278,12 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
/* Scan all ports that need attention */
kick_hub_wq(hub);
- /* Allow autosuspend if it was suppressed */
- if (type <= HUB_INIT3)
+ if (type == HUB_INIT2 || type == HUB_INIT3) {
+ /* Allow autosuspend if it was suppressed */
+ disconnected:
usb_autopm_put_interface_async(to_usb_interface(hub->intfdev));
-
- if (type == HUB_INIT2 || type == HUB_INIT3)
- device_unlock(hub->intfdev);
+ device_unlock(&hdev->dev);
+ }
kref_put(&hub->kref, hub_release);
}
@@ -1315,8 +1312,6 @@ static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type)
struct usb_device *hdev = hub->hdev;
int i;
- cancel_delayed_work_sync(&hub->init_work);
-
/* hub_wq and related activity won't re-trigger */
hub->quiescing = 1;