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author | Kristofer Jonsson <kristofer.jonsson@arm.com> | 2023-01-20 13:38:13 +0100 |
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committer | Kristofer Jonsson <kristofer.jonsson@arm.com> | 2023-02-02 16:30:39 +0100 |
commit | ec47704ab3fd50a9ef8339f33139ddae4caa00b6 (patch) | |
tree | 87698ce04f75b460580dfbc637d453dbfc141c37 /kernel/ethosu_buffer.h | |
parent | d779a08a0f7ca3cdde16941720ddc7af96e74520 (diff) | |
download | ethos-u-linux-driver-stack-ec47704ab3fd50a9ef8339f33139ddae4caa00b6.tar.gz |
Break circulare dependency on struct ethosu_device
The 'struct ethosu_device' has been passed as argument to classes.
This creates a circular dependency dependency and it gives all
classes full visibility to all resources in the device struct. This
patch removes the circular dependency.
Using device_lock() and device_unlock() to for synchronization.
Change-Id: I8322e6530c72d7bd67f48f411b4f14b612be2706
Diffstat (limited to 'kernel/ethosu_buffer.h')
-rw-r--r-- | kernel/ethosu_buffer.h | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/kernel/ethosu_buffer.h b/kernel/ethosu_buffer.h index ada8c4c..bc5958c 100644 --- a/kernel/ethosu_buffer.h +++ b/kernel/ethosu_buffer.h @@ -50,15 +50,14 @@ struct device; * 'offset + size' must not be larger than 'capacity'. */ struct ethosu_buffer { - struct ethosu_device *edev; - struct device *dev; - struct file *file; - struct kref kref; - size_t capacity; - size_t offset; - size_t size; - void *cpu_addr; - dma_addr_t dma_addr; + struct device *dev; + struct file *file; + struct kref kref; + size_t capacity; + size_t offset; + size_t size; + void *cpu_addr; + dma_addr_t dma_addr; }; /**************************************************************************** @@ -72,7 +71,7 @@ struct ethosu_buffer { * * Return: fd on success, else error code. */ -int ethosu_buffer_create(struct ethosu_device *edev, +int ethosu_buffer_create(struct device *dev, size_t capacity); /** |