Merge branch 'next' (accumulated 3.16 merge window patches) into master

Now that 3.15 is released, this merges the 'next' branch into 'master',
bringing us to the normal situation where my 'master' branch is the
merge window.

* accumulated work in next: (6809 commits)
  ufs: sb mutex merge + mutex_destroy
  powerpc: update comments for generic idle conversion
  cris: update comments for generic idle conversion
  idle: remove cpu_idle() forward declarations
  nbd: zero from and len fields in NBD_CMD_DISCONNECT.
  mm: convert some level-less printks to pr_*
  MAINTAINERS: adi-buildroot-devel is moderated
  MAINTAINERS: add linux-api for review of API/ABI changes
  mm/kmemleak-test.c: use pr_fmt for logging
  fs/dlm/debug_fs.c: replace seq_printf by seq_puts
  fs/dlm/lockspace.c: convert simple_str to kstr
  fs/dlm/config.c: convert simple_str to kstr
  mm: mark remap_file_pages() syscall as deprecated
  mm: memcontrol: remove unnecessary memcg argument from soft limit functions
  mm: memcontrol: clean up memcg zoneinfo lookup
  mm/memblock.c: call kmemleak directly from memblock_(alloc|free)
  mm/mempool.c: update the kmemleak stack trace for mempool allocations
  lib/radix-tree.c: update the kmemleak stack trace for radix tree allocations
  mm: introduce kmemleak_update_trace()
  mm/kmemleak.c: use %u to print ->checksum
  ...

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index e206406ae1d..9563cb56d56 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -17,6 +17,7 @@
 #include <linux/irqreturn.h>
 #include <linux/usb.h>
 #include <linux/usb/gadget.h>
+#include <linux/usb/otg-fsm.h>
 
 /******************************************************************************
  * DEFINE
@@ -139,6 +140,8 @@ struct hw_bank {
  * @roles: array of supported roles for this controller
  * @role: current role
  * @is_otg: if the device is otg-capable
+ * @fsm: otg finite state machine
+ * @fsm_timer: pointer to timer list of otg fsm
  * @work: work for role changing
  * @wq: workqueue thread
  * @qh_pool: allocation pool for queue heads
@@ -174,6 +177,8 @@ struct ci_hdrc {
 	struct ci_role_driver		*roles[CI_ROLE_END];
 	enum ci_role			role;
 	bool				is_otg;
+	struct otg_fsm			fsm;
+	struct ci_otg_fsm_timer_list	*fsm_timer;
 	struct work_struct		work;
 	struct workqueue_struct		*wq;
 
@@ -319,6 +324,24 @@ static inline u32 hw_test_and_write(struct ci_hdrc *ci, enum ci_hw_regs reg,
 	return (val & mask) >> __ffs(mask);
 }
 
+/**
+ * ci_otg_is_fsm_mode: runtime check if otg controller
+ * is in otg fsm mode.
+ */
+static inline bool ci_otg_is_fsm_mode(struct ci_hdrc *ci)
+{
+#ifdef CONFIG_USB_OTG_FSM
+	return ci->is_otg && ci->roles[CI_ROLE_HOST] &&
+					ci->roles[CI_ROLE_GADGET];
+#else
+	return false;
+#endif
+}
+
+u32 hw_read_intr_enable(struct ci_hdrc *ci);
+
+u32 hw_read_intr_status(struct ci_hdrc *ci);
+
 int hw_device_reset(struct ci_hdrc *ci, u32 mode);
 
 int hw_port_test_set(struct ci_hdrc *ci, u8 mode);