From 5f0823ef8b76f446ab8b187fabfb4e7560bc33a1 Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Tue, 1 Mar 2016 19:18:11 +0200 Subject: [PATCH] wil6210: add support for platform specific notification events Add the ability to notify the platform driver on different events, such as FW crash, pre reset and FW ready. Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/interrupt.c | 5 +-- drivers/net/wireless/ath/wil6210/main.c | 32 +++++++++++++++++-- .../net/wireless/ath/wil6210/wil_platform.h | 8 ++++- 3 files changed, 40 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c index 4f2ffa5c6e17..ae902958bf55 100644 --- a/drivers/net/wireless/ath/wil6210/interrupt.c +++ b/drivers/net/wireless/ath/wil6210/interrupt.c @@ -394,9 +394,10 @@ static irqreturn_t wil6210_irq_misc_thread(int irq, void *cookie) wil_fw_core_dump(wil); wil_notify_fw_error(wil); isr &= ~ISR_MISC_FW_ERROR; - if (wil->platform_ops.notify_crash) { + if (wil->platform_ops.notify) { wil_err(wil, "notify platform driver about FW crash"); - wil->platform_ops.notify_crash(wil->platform_handle); + wil->platform_ops.notify(wil->platform_handle, + WIL_PLATFORM_EVT_FW_CRASH); } else { wil_fw_error_recovery(wil); } diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 1fa215d0eeed..1472978dd3f0 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -764,6 +764,15 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) if (wil->hw_version == HW_VER_UNKNOWN) return -ENODEV; + if (wil->platform_ops.notify) { + rc = wil->platform_ops.notify(wil->platform_handle, + WIL_PLATFORM_EVT_PRE_RESET); + if (rc) + wil_err(wil, + "%s: PRE_RESET platform notify failed, rc %d\n", + __func__, rc); + } + set_bit(wil_status_resetting, wil->status); cancel_work_sync(&wil->disconnect_worker); @@ -843,8 +852,27 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) /* we just started MAC, wait for FW ready */ rc = wil_wait_for_fw_ready(wil); - if (rc == 0) /* check FW is responsive */ - rc = wmi_echo(wil); + if (rc) + return rc; + + /* check FW is responsive */ + rc = wmi_echo(wil); + if (rc) { + wil_err(wil, "%s: wmi_echo failed, rc %d\n", + __func__, rc); + return rc; + } + + if (wil->platform_ops.notify) { + rc = wil->platform_ops.notify(wil->platform_handle, + WIL_PLATFORM_EVT_FW_RDY); + if (rc) { + wil_err(wil, + "%s: FW_RDY notify failed, rc %d\n", + __func__, rc); + rc = 0; + } + } } return rc; diff --git a/drivers/net/wireless/ath/wil6210/wil_platform.h b/drivers/net/wireless/ath/wil6210/wil_platform.h index 9a949d910343..33d4a34b3b1c 100644 --- a/drivers/net/wireless/ath/wil6210/wil_platform.h +++ b/drivers/net/wireless/ath/wil6210/wil_platform.h @@ -19,6 +19,12 @@ struct device; +enum wil_platform_event { + WIL_PLATFORM_EVT_FW_CRASH = 0, + WIL_PLATFORM_EVT_PRE_RESET = 1, + WIL_PLATFORM_EVT_FW_RDY = 2, +}; + /** * struct wil_platform_ops - wil platform module calls from this * driver to platform driver @@ -28,7 +34,7 @@ struct wil_platform_ops { int (*suspend)(void *handle); int (*resume)(void *handle); void (*uninit)(void *handle); - int (*notify_crash)(void *handle); + int (*notify)(void *handle, enum wil_platform_event evt); }; /** -- 2.39.2