Date: Fri, 10 May 2019 23:10:22 +0000 (UTC) From: Johannes Lundberg <johalun@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r347470 - in head/sys/compat/linuxkpi/common: include/linux src Message-ID: <201905102310.x4ANAM2o088532@repo.freebsd.org>
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Author: johalun Date: Fri May 10 23:10:22 2019 New Revision: 347470 URL: https://svnweb.freebsd.org/changeset/base/347470 Log: Implement linux_pci_unregister_drm_driver in linuxkpi so that drm drivers can be unloaded. This patch is a part of D19565. Reviewed by: hps Approved by: imp (mentor), hps MFC after: 1 week Modified: head/sys/compat/linuxkpi/common/include/linux/pci.h head/sys/compat/linuxkpi/common/src/linux_pci.c Modified: head/sys/compat/linuxkpi/common/include/linux/pci.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/linux/pci.h Fri May 10 22:49:01 2019 (r347469) +++ head/sys/compat/linuxkpi/common/include/linux/pci.h Fri May 10 23:10:22 2019 (r347470) @@ -532,6 +532,7 @@ pci_write_config_dword(struct pci_dev *pdev, int where int linux_pci_register_driver(struct pci_driver *pdrv); int linux_pci_register_drm_driver(struct pci_driver *pdrv); void linux_pci_unregister_driver(struct pci_driver *pdrv); +void linux_pci_unregister_drm_driver(struct pci_driver *pdrv); #define pci_register_driver(pdrv) linux_pci_register_driver(pdrv) #define pci_unregister_driver(pdrv) linux_pci_unregister_driver(pdrv) Modified: head/sys/compat/linuxkpi/common/src/linux_pci.c ============================================================================== --- head/sys/compat/linuxkpi/common/src/linux_pci.c Fri May 10 22:49:01 2019 (r347469) +++ head/sys/compat/linuxkpi/common/src/linux_pci.c Fri May 10 23:10:22 2019 (r347470) @@ -417,6 +417,22 @@ linux_pci_unregister_driver(struct pci_driver *pdrv) mtx_unlock(&Giant); } +void +linux_pci_unregister_drm_driver(struct pci_driver *pdrv) +{ + devclass_t bus; + + bus = devclass_find("vgapci"); + + spin_lock(&pci_lock); + list_del(&pdrv->links); + spin_unlock(&pci_lock); + mtx_lock(&Giant); + if (bus != NULL) + devclass_delete_driver(bus, &pdrv->bsddriver); + mtx_unlock(&Giant); +} + CTASSERT(sizeof(dma_addr_t) <= sizeof(uint64_t)); struct linux_dma_obj {
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