Warnings before patch:
files: ['drivers/ata/ahci.c', 'drivers/ata/ahci_brcm.c', 'drivers/ata/ahci_ceva.c', 'drivers/ata/ahci_qoriq.c', 'drivers/ata/libahci.c']
Warning: drivers/ata/libahci.c:244 No description found for return value of 'ahci_rpm_get_port'
Warning: drivers/ata/libahci.c:244 No description found for return value of 'ahci_rpm_get_port'

Current warnings:
files: ['drivers/ata/ahci.c', 'drivers/ata/ahci_brcm.c', 'drivers/ata/ahci_ceva.c', 'drivers/ata/ahci_qoriq.c', 'drivers/ata/libahci.c']
Warning: drivers/ata/libahci.c:245 No description found for return value of 'ahci_rpm_get_port'
Warning: drivers/ata/libahci.c:245 No description found for return value of 'ahci_rpm_get_port'

Warnings before: 2 after: 2