so, for trusty, backporting "eb61b3276e099d937fcdae2c67aec4766bba2dc3 mfd: rtsx_pcr: Fix MSI enable error handling" or "034cd97ebda4062eb4402a6cf963ccd262caa86a PCI/MSI: Remove pci_enable_msi_block()" will fix this issue.
so, for trusty, backporting "eb61b3276e099d 937fcdae2c67aec 4766bba2dc3 mfd: rtsx_pcr: Fix MSI enable error handling" or "034cd97ebda406 2eb4402a6cf963c cd262caa86a PCI/MSI: Remove pci_enable_ msi_block( )" will fix this issue.