Simplify locking of firmware log gathering by providing single location for such purpose.
Signed-off-by: Cezary Rojewski cezary.rojewski@intel.com --- sound/soc/intel/avs/apl.c | 5 +---- sound/soc/intel/avs/avs.h | 12 ++++++++++++ sound/soc/intel/avs/ipc.c | 2 +- sound/soc/intel/avs/skl.c | 7 +------ 4 files changed, 15 insertions(+), 11 deletions(-)
diff --git a/sound/soc/intel/avs/apl.c b/sound/soc/intel/avs/apl.c index 7c8ce98eda9d..821d5a9ad25f 100644 --- a/sound/soc/intel/avs/apl.c +++ b/sound/soc/intel/avs/apl.c @@ -50,7 +50,6 @@ static int apl_enable_logs(struct avs_dev *adev, enum avs_log_enable enable, u32 static int apl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg) { struct apl_log_buffer_layout layout; - unsigned long flags; void __iomem *addr, *buf;
addr = avs_log_buffer_addr(adev, msg->log.core); @@ -59,7 +58,6 @@ static int apl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg
memcpy_fromio(&layout, addr, sizeof(layout));
- spin_lock_irqsave(&adev->dbg.trace_lock, flags); if (!kfifo_initialized(&adev->dbg.trace_fifo)) /* consume the logs regardless of consumer presence */ goto update_read_ptr; @@ -78,7 +76,6 @@ static int apl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg wake_up(&adev->dbg.trace_waitq);
update_read_ptr: - spin_unlock_irqrestore(&adev->dbg.trace_lock, flags); writel(layout.write_ptr, addr); return 0; } @@ -140,7 +137,7 @@ static int apl_coredump(struct avs_dev *adev, union avs_notify_msg *msg) * gathered before dumping stack */ lbs_msg.log.core = msg->ext.coredump.core_id; - avs_dsp_op(adev, log_buffer_status, &lbs_msg); + avs_log_buffer_status_locked(adev, &lbs_msg); }
pos = dump + AVS_FW_REGS_SIZE; diff --git a/sound/soc/intel/avs/avs.h b/sound/soc/intel/avs/avs.h index 8d05b27608fe..1c89af6240d2 100644 --- a/sound/soc/intel/avs/avs.h +++ b/sound/soc/intel/avs/avs.h @@ -344,6 +344,18 @@ unsigned int __kfifo_fromio_locked(struct kfifo *fifo, const void __iomem *src, (avs_sram_addr(adev, AVS_DEBUG_WINDOW) + __offset); \ })
+static inline int avs_log_buffer_status_locked(struct avs_dev *adev, union avs_notify_msg *msg) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&adev->dbg.trace_lock, flags); + ret = avs_dsp_op(adev, log_buffer_status, msg); + spin_unlock_irqrestore(&adev->dbg.trace_lock, flags); + + return ret; +} + struct apl_log_buffer_layout { u32 read_ptr; u32 write_ptr; diff --git a/sound/soc/intel/avs/ipc.c b/sound/soc/intel/avs/ipc.c index af8a260093f4..bdf013c3dd12 100644 --- a/sound/soc/intel/avs/ipc.c +++ b/sound/soc/intel/avs/ipc.c @@ -266,7 +266,7 @@ static void avs_dsp_process_notification(struct avs_dev *adev, u64 header) break;
case AVS_NOTIFY_LOG_BUFFER_STATUS: - avs_dsp_op(adev, log_buffer_status, &msg); + avs_log_buffer_status_locked(adev, &msg); break;
case AVS_NOTIFY_EXCEPTION_CAUGHT: diff --git a/sound/soc/intel/avs/skl.c b/sound/soc/intel/avs/skl.c index dc98b5cf900f..ff690e99d960 100644 --- a/sound/soc/intel/avs/skl.c +++ b/sound/soc/intel/avs/skl.c @@ -55,15 +55,11 @@ int skl_log_buffer_offset(struct avs_dev *adev, u32 core) static int skl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg) { - unsigned long flags; void __iomem *buf; u16 size, write, offset;
- spin_lock_irqsave(&adev->dbg.trace_lock, flags); - if (!kfifo_initialized(&adev->dbg.trace_fifo)) { - spin_unlock_irqrestore(&adev->dbg.trace_lock, flags); + if (!kfifo_initialized(&adev->dbg.trace_fifo)) return 0; - }
size = avs_log_buffer_size(adev) / 2; write = readl(avs_sram_addr(adev, AVS_FW_REGS_WINDOW) + FW_REGS_DBG_LOG_WP(msg->log.core)); @@ -74,7 +70,6 @@ skl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg) buf = avs_log_buffer_addr(adev, msg->log.core) + offset; __kfifo_fromio_locked(&adev->dbg.trace_fifo, buf, size, &adev->dbg.fifo_lock); wake_up(&adev->dbg.trace_waitq); - spin_unlock_irqrestore(&adev->dbg.trace_lock, flags);
return 0; }