From 58029b7734ec84738aeb8fb391e625832bb6b0a6 Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 2 Dec 2022 16:28:30 +0100 Subject: ASoC: Intel: avs: Drop fifo_lock Log gathering is already locked, thanks to ->trace_lock. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20221202152841.672536-6-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/intel/avs/utils.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'sound/soc/intel/avs/utils.c') diff --git a/sound/soc/intel/avs/utils.c b/sound/soc/intel/avs/utils.c index 13611dee9787..75ad434d7dfb 100644 --- a/sound/soc/intel/avs/utils.c +++ b/sound/soc/intel/avs/utils.c @@ -301,14 +301,11 @@ void avs_release_firmwares(struct avs_dev *adev) } } -unsigned int __kfifo_fromio_locked(struct kfifo *fifo, const void __iomem *src, unsigned int len, - spinlock_t *lock) +unsigned int __kfifo_fromio(struct kfifo *fifo, const void __iomem *src, unsigned int len) { struct __kfifo *__fifo = &fifo->kfifo; - unsigned long flags; unsigned int l, off; - spin_lock_irqsave(lock, flags); len = min(len, kfifo_avail(fifo)); off = __fifo->in & __fifo->mask; l = min(len, kfifo_size(fifo) - off); @@ -318,7 +315,6 @@ unsigned int __kfifo_fromio_locked(struct kfifo *fifo, const void __iomem *src, /* Make sure data copied from SRAM is visible to all CPUs. */ smp_mb(); __fifo->in += len; - spin_unlock_irqrestore(lock, flags); return len; } -- cgit v1.2.3 From f7de161fc8d5e1ebac3c361a37b1d748e7086330 Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 2 Dec 2022 16:28:33 +0100 Subject: ASoC: Intel: avs: Drop usage of debug members in non-debug code Switch to debug-context aware wrappers instead of accessing debug members directly allowing for readable separation of debug and non-debug related code. Duplicates are removed along the way. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20221202152841.672536-9-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/intel/avs/apl.c | 11 ++++------- sound/soc/intel/avs/avs.h | 16 ++-------------- sound/soc/intel/avs/debugfs.c | 18 ++++++++++++++++++ sound/soc/intel/avs/skl.c | 5 ++--- sound/soc/intel/avs/utils.c | 18 ------------------ 5 files changed, 26 insertions(+), 42 deletions(-) (limited to 'sound/soc/intel/avs/utils.c') diff --git a/sound/soc/intel/avs/apl.c b/sound/soc/intel/avs/apl.c index beef308c9428..02683dce277a 100644 --- a/sound/soc/intel/avs/apl.c +++ b/sound/soc/intel/avs/apl.c @@ -59,21 +59,18 @@ static int apl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg memcpy_fromio(&layout, addr, sizeof(layout)); - if (!kfifo_initialized(&adev->dbg.trace_fifo)) + if (!avs_logging_fw(adev)) /* consume the logs regardless of consumer presence */ goto update_read_ptr; buf = apl_log_payload_addr(addr); if (layout.read_ptr > layout.write_ptr) { - __kfifo_fromio(&adev->dbg.trace_fifo, buf + layout.read_ptr, - apl_log_payload_size(adev) - layout.read_ptr); + avs_dump_fw_log(adev, buf + layout.read_ptr, + apl_log_payload_size(adev) - layout.read_ptr); layout.read_ptr = 0; } - __kfifo_fromio(&adev->dbg.trace_fifo, buf + layout.read_ptr, - layout.write_ptr - layout.read_ptr); - - wake_up(&adev->dbg.trace_waitq); + avs_dump_fw_log_wakeup(adev, buf + layout.read_ptr, layout.write_ptr - layout.read_ptr); update_read_ptr: writel(layout.write_ptr, addr); diff --git a/sound/soc/intel/avs/avs.h b/sound/soc/intel/avs/avs.h index f8f11d8b5936..7a9fb27d3845 100644 --- a/sound/soc/intel/avs/avs.h +++ b/sound/soc/intel/avs/avs.h @@ -94,15 +94,6 @@ struct avs_fw_entry { struct list_head node; }; -struct avs_debug { - struct kfifo trace_fifo; - spinlock_t trace_lock; /* serialize debug window I/O between each LOG_BUFFER_STATUS */ - wait_queue_head_t trace_waitq; - u32 aging_timer_period; - u32 fifo_full_timer_period; - u32 logged_resources; /* context dependent: core or library */ -}; - /* * struct avs_dev - Intel HD-Audio driver data * @@ -146,7 +137,6 @@ struct avs_dev { spinlock_t path_list_lock; struct mutex path_mutex; - struct avs_debug dbg; spinlock_t trace_lock; /* serialize debug window I/O between each LOG_BUFFER_STATUS */ #ifdef CONFIG_DEBUG_FS struct kfifo trace_fifo; @@ -339,8 +329,6 @@ void avs_unregister_all_boards(struct avs_dev *adev); /* Firmware tracing helpers */ -unsigned int __kfifo_fromio(struct kfifo *fifo, const void __iomem *src, unsigned int len); - #define avs_log_buffer_size(adev) \ ((adev)->fw_cfg.trace_log_bytes / (adev)->hw_cfg.dsp_cores) @@ -356,9 +344,9 @@ static inline int avs_log_buffer_status_locked(struct avs_dev *adev, union avs_n unsigned long flags; int ret; - spin_lock_irqsave(&adev->dbg.trace_lock, flags); + spin_lock_irqsave(&adev->trace_lock, flags); ret = avs_dsp_op(adev, log_buffer_status, msg); - spin_unlock_irqrestore(&adev->dbg.trace_lock, flags); + spin_unlock_irqrestore(&adev->trace_lock, flags); return ret; } diff --git a/sound/soc/intel/avs/debugfs.c b/sound/soc/intel/avs/debugfs.c index ac3889e21542..78705bcb09fb 100644 --- a/sound/soc/intel/avs/debugfs.c +++ b/sound/soc/intel/avs/debugfs.c @@ -11,6 +11,24 @@ #include #include "avs.h" +static unsigned int __kfifo_fromio(struct kfifo *fifo, const void __iomem *src, unsigned int len) +{ + struct __kfifo *__fifo = &fifo->kfifo; + unsigned int l, off; + + len = min(len, kfifo_avail(fifo)); + off = __fifo->in & __fifo->mask; + l = min(len, kfifo_size(fifo) - off); + + memcpy_fromio(__fifo->data + off, src, l); + memcpy_fromio(__fifo->data, src + l, len - l); + /* Make sure data copied from SRAM is visible to all CPUs. */ + smp_mb(); + __fifo->in += len; + + return len; +} + bool avs_logging_fw(struct avs_dev *adev) { return kfifo_initialized(&adev->trace_fifo); diff --git a/sound/soc/intel/avs/skl.c b/sound/soc/intel/avs/skl.c index c5edb0b0df14..6bb8bbc70442 100644 --- a/sound/soc/intel/avs/skl.c +++ b/sound/soc/intel/avs/skl.c @@ -59,7 +59,7 @@ skl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg) void __iomem *buf; u16 size, write, offset; - if (!kfifo_initialized(&adev->dbg.trace_fifo)) + if (!avs_logging_fw(adev)) return 0; size = avs_log_buffer_size(adev) / 2; @@ -69,8 +69,7 @@ skl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg) /* Address is guaranteed to exist in SRAM2. */ buf = avs_log_buffer_addr(adev, msg->log.core) + offset; - __kfifo_fromio(&adev->dbg.trace_fifo, buf, size); - wake_up(&adev->dbg.trace_waitq); + avs_dump_fw_log_wakeup(adev, buf, size); return 0; } diff --git a/sound/soc/intel/avs/utils.c b/sound/soc/intel/avs/utils.c index 75ad434d7dfb..82416b86662d 100644 --- a/sound/soc/intel/avs/utils.c +++ b/sound/soc/intel/avs/utils.c @@ -300,21 +300,3 @@ void avs_release_firmwares(struct avs_dev *adev) kfree(entry); } } - -unsigned int __kfifo_fromio(struct kfifo *fifo, const void __iomem *src, unsigned int len) -{ - struct __kfifo *__fifo = &fifo->kfifo; - unsigned int l, off; - - len = min(len, kfifo_avail(fifo)); - off = __fifo->in & __fifo->mask; - l = min(len, kfifo_size(fifo) - off); - - memcpy_fromio(__fifo->data + off, src, l); - memcpy_fromio(__fifo->data, src + l, len - l); - /* Make sure data copied from SRAM is visible to all CPUs. */ - smp_mb(); - __fifo->in += len; - - return len; -} -- cgit v1.2.3