Function report |
Source Code:lib\test_firmware.c |
Create Date:2022-07-28 06:28:32 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:We use a kthread as otherwise the kernel serializes all our sync requests* and we would not be able to mimic batched requests on a sync call. Batched* requests on a sync call can for instance happen on a device driver when
Proto:static ssize_t trigger_batched_requests_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
Type:ssize_t
Parameter:
Type | Parameter | Name |
---|---|---|
struct device * | dev | |
struct device_attribute * | attr | |
const char * | buf | |
size_t | count |
665 | mutex_lock( & test_fw_mutex) |
672 | Go to out_unlock |
675 | pr_info("batched sync firmware loading '%s' %u times\n", name, num_requests) |
678 | When i < num_requests cycle |
679 | req = These below don't belong her but we'll move them once we create* a struct fw_test_device and stuff the misc_dev under there later.[i] |
680 | fw = NULL |
684 | init_completion( & completion) |
705 | out_bail : |
706 | When i < num_requests cycle |
707 | req = These below don't belong her but we'll move them once we create* a struct fw_test_device and stuff the misc_dev under there later.[i] |
708 | If task || sent Then wait_for_completion( & completion) |
713 | If rc < 0 Then test_result = rc |
716 | out_unlock : |
717 | mutex_unlock( & test_fw_mutex) |
719 | Return rc |
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