diff options
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/ccp/psp-dev.c | 19 | ||||
| -rw-r--r-- | drivers/crypto/ccp/sp-pci.c | 4 |
2 files changed, 14 insertions, 9 deletions
diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c index 638f138debd7..fadf859a14b8 100644 --- a/drivers/crypto/ccp/psp-dev.c +++ b/drivers/crypto/ccp/psp-dev.c @@ -858,15 +858,15 @@ static int sev_misc_init(struct psp_device *psp) return 0; } -static int sev_init(struct psp_device *psp) +static int psp_check_sev_support(struct psp_device *psp) { /* Check if device supports SEV feature */ if (!(ioread32(psp->io_regs + psp->vdata->feature_reg) & 1)) { - dev_dbg(psp->dev, "device does not support SEV\n"); - return 1; + dev_dbg(psp->dev, "psp does not support SEV\n"); + return -ENODEV; } - return sev_misc_init(psp); + return 0; } int psp_dev_init(struct sp_device *sp) @@ -891,6 +891,10 @@ int psp_dev_init(struct sp_device *sp) psp->io_regs = sp->io_map; + ret = psp_check_sev_support(psp); + if (ret) + goto e_disable; + /* Disable and clear interrupts until ready */ iowrite32(0, psp->io_regs + psp->vdata->inten_reg); iowrite32(-1, psp->io_regs + psp->vdata->intsts_reg); @@ -902,7 +906,7 @@ int psp_dev_init(struct sp_device *sp) goto e_err; } - ret = sev_init(psp); + ret = sev_misc_init(psp); if (ret) goto e_irq; @@ -924,6 +928,11 @@ e_err: dev_notice(dev, "psp initialization failed\n"); return ret; + +e_disable: + sp->psp_data = NULL; + + return ret; } void psp_dev_destroy(struct sp_device *sp) diff --git a/drivers/crypto/ccp/sp-pci.c b/drivers/crypto/ccp/sp-pci.c index 6d730d3e3f6f..41bce0a3f4bb 100644 --- a/drivers/crypto/ccp/sp-pci.c +++ b/drivers/crypto/ccp/sp-pci.c @@ -226,8 +226,6 @@ static int sp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (ret) goto e_err; - dev_notice(dev, "enabled\n"); - return 0; e_err: @@ -246,8 +244,6 @@ static void sp_pci_remove(struct pci_dev *pdev) sp_destroy(sp); sp_free_irqs(sp); - - dev_notice(dev, "disabled\n"); } #ifdef CONFIG_PM |