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isci: Save the suspension hint for upcoming suspensions. 

In the case of a suspend call while in SCI_RNC_POSTING or INVALIDATING
states, the LLHANG detect needed to be saved so the upcoming suspension
would enable it correctly.  The unused suspend callback parameters were
removed.

Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Jeff Skirvin 2012-03-08 22:41:59 -08:00 committed by Dan Williams
parent e3c84dfdb8
commit 447bfbcee0
4 changed files with 12 additions and 18 deletions
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6
drivers/scsi/isci/remote_device.c
View File

@ -75,10 +75,8 @@ const char *dev_state_name(enum sci_remote_device_states state)
static enum sci_status sci_remote_device_suspend(struct isci_remote_device *idev,
enum sci_remote_node_suspension_reasons reason)
{
return sci_remote_node_context_suspend(&idev->rnc,
reason,
SCI_SOFTWARE_SUSPEND_EXPECTED_EVENT,
NULL, NULL);
return sci_remote_node_context_suspend(&idev->rnc, reason,
SCI_SOFTWARE_SUSPEND_EXPECTED_EVENT);
}
/**

16
drivers/scsi/isci/remote_node_context.c
View File

@ -315,8 +315,8 @@ static void sci_remote_node_context_ready_state_enter(struct sci_base_state_mach
if ((dest_select == RNC_DEST_SUSPENDED) ||
(dest_select == RNC_DEST_SUSPENDED_RESUME)) {
sci_remote_node_context_suspend(
rnc, SCI_SW_SUSPEND_NORMAL,
SCI_SOFTWARE_SUSPEND_EXPECTED_EVENT, NULL, NULL);
rnc, rnc->suspend_reason,
SCI_SOFTWARE_SUSPEND_EXPECTED_EVENT);
if (dest_select == RNC_DEST_SUSPENDED_RESUME) {
sci_remote_node_context_resume(rnc, usr_cb, usr_param);
@ -539,9 +539,7 @@ enum sci_status sci_remote_node_context_destruct(struct sci_remote_node_context
enum sci_status sci_remote_node_context_suspend(
struct sci_remote_node_context *sci_rnc,
enum sci_remote_node_suspension_reasons suspend_reason,
u32 suspend_type,
scics_sds_remote_node_context_callback cb_fn,
void *cb_p)
u32 suspend_type)
{
enum scis_sds_remote_node_context_states state
= sci_rnc->sm.current_state_id;
@ -581,6 +579,8 @@ enum sci_status sci_remote_node_context_suspend(
* needs to be done immediately.
*/
sci_rnc->destination_state = RNC_DEST_SUSPENDED;
sci_rnc->suspend_type = suspend_type;
sci_rnc->suspend_reason = suspend_reason;
return SCI_SUCCESS;
case SCI_RNC_TX_SUSPENDED:
@ -603,14 +603,12 @@ enum sci_status sci_remote_node_context_suspend(
return SCI_FAILURE_INVALID_STATE;
}
sci_rnc->destination_state = dest_param;
sci_rnc->user_callback = cb_fn;
sci_rnc->user_cookie = cb_p;
sci_rnc->suspend_type = suspend_type;
sci_rnc->suspend_type = suspend_type;
sci_rnc->suspend_reason = suspend_reason;
if (status == SCI_SUCCESS) { /* Already in the destination state? */
struct isci_host *ihost = idev->owning_port->owning_controller;
sci_remote_node_context_notify_user(sci_rnc);
wake_up_all(&ihost->eventq); /* Let observers look. */
return SCI_SUCCESS;
}

5
drivers/scsi/isci/remote_node_context.h
View File

@ -169,6 +169,7 @@ struct sci_remote_node_context {
* context suspension.
*/
u32 suspend_type;
enum sci_remote_node_suspension_reasons suspend_reason;
/**
* This field is true if the remote node context is resuming from its current
@ -209,9 +210,7 @@ enum sci_status sci_remote_node_context_destruct(struct sci_remote_node_context
void *callback_parameter);
enum sci_status sci_remote_node_context_suspend(struct sci_remote_node_context *sci_rnc,
u32 suspend_type,
u32 suspension_code,
scics_sds_remote_node_context_callback cb_fn,
void *cb_p);
u32 suspension_code);
enum sci_status sci_remote_node_context_resume(struct sci_remote_node_context *sci_rnc,
scics_sds_remote_node_context_callback cb_fn,
void *cb_p);

3
drivers/scsi/isci/request.c
View File

@ -2382,8 +2382,7 @@ static void sci_request_handle_suspending_completions(
&ireq->target_device->rnc,
SCI_HW_SUSPEND,
(is_tx_rx) ? SCU_EVENT_TL_RNC_SUSPEND_TX_RX
: SCU_EVENT_TL_RNC_SUSPEND_TX,
NULL, NULL);
: SCU_EVENT_TL_RNC_SUSPEND_TX);
}
}