Warnings before patch:
files: ['drivers/pci/endpoint/functions/pci-epf-test.c']
Warning: drivers/pci/endpoint/functions/pci-epf-test.c:141 No description found for return value of 'pci_epf_test_data_transfer'
Warning: drivers/pci/endpoint/functions/pci-epf-test.c:234 No description found for return value of 'pci_epf_test_init_dma_chan'

Current warnings:
files: ['drivers/pci/endpoint/functions/pci-epf-test.c']
Warning: drivers/pci/endpoint/functions/pci-epf-test.c:141 No description found for return value of 'pci_epf_test_data_transfer'
Warning: drivers/pci/endpoint/functions/pci-epf-test.c:234 No description found for return value of 'pci_epf_test_init_dma_chan'

Warnings before: 2 after: 2