The PSP in Hyper-V VMs is exposed through the ASP ACPI table and is represented as a platform_device. Allow the ccp driver to bind to it by adding an id_table and initing the platform_driver also on x86. At this point probe is called for the psp device but init fails due to missing driver data. Signed-off-by: Jeremi Piotrowski <jpiotrowski@xxxxxxxxxxxxxxxxxxx> --- drivers/crypto/ccp/sp-dev.c | 8 ++++++-- drivers/crypto/ccp/sp-platform.c | 7 +++++++ 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/ccp/sp-dev.c b/drivers/crypto/ccp/sp-dev.c index 7eb3e4668286..52b8d957d0f6 100644 --- a/drivers/crypto/ccp/sp-dev.c +++ b/drivers/crypto/ccp/sp-dev.c @@ -258,7 +258,11 @@ static int __init sp_mod_init(void) ret = sp_pci_init(); if (ret) return ret; - + ret = sp_platform_init(); + if (ret) { + sp_pci_exit(); + return ret; + } #ifdef CONFIG_CRYPTO_DEV_SP_PSP psp_pci_init(); #endif @@ -286,7 +290,7 @@ static void __exit sp_mod_exit(void) #ifdef CONFIG_CRYPTO_DEV_SP_PSP psp_pci_exit(); #endif - + sp_platform_exit(); sp_pci_exit(); #endif diff --git a/drivers/crypto/ccp/sp-platform.c b/drivers/crypto/ccp/sp-platform.c index 7d79a8744f9a..ea8926e87981 100644 --- a/drivers/crypto/ccp/sp-platform.c +++ b/drivers/crypto/ccp/sp-platform.c @@ -56,6 +56,12 @@ static const struct of_device_id sp_of_match[] = { MODULE_DEVICE_TABLE(of, sp_of_match); #endif +static const struct platform_device_id sp_plat_match[] = { + { "psp" }, + { }, +}; +MODULE_DEVICE_TABLE(platform, sp_plat_match); + static struct sp_dev_vdata *sp_get_of_version(struct platform_device *pdev) { #ifdef CONFIG_OF @@ -212,6 +218,7 @@ static int sp_platform_resume(struct platform_device *pdev) #endif static struct platform_driver sp_platform_driver = { + .id_table = sp_plat_match, .driver = { .name = "ccp", #ifdef CONFIG_ACPI -- 2.25.1