diff options
Diffstat (limited to 'drivers/crypto/ccp/sev-dev.c')
| -rw-r--r-- | drivers/crypto/ccp/sev-dev.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index fbbe41a58bd8..e467860f797d 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -67,7 +67,7 @@ static void sev_irq_handler(int irq, void *data, unsigned int status) return; /* Check if it is SEV command completion: */ - reg = ioread32(sev->io_regs + sev->psp->vdata->cmdresp_reg); + reg = ioread32(sev->io_regs + sev->vdata->cmdresp_reg); if (reg & PSP_CMDRESP_RESP) { sev->int_rcvd = 1; wake_up(&sev->int_queue); @@ -84,7 +84,7 @@ static int sev_wait_cmd_ioc(struct sev_device *sev, if (!ret) return -ETIMEDOUT; - *reg = ioread32(sev->io_regs + sev->psp->vdata->cmdresp_reg); + *reg = ioread32(sev->io_regs + sev->vdata->cmdresp_reg); return 0; } @@ -150,15 +150,15 @@ static int __sev_do_cmd_locked(int cmd, void *data, int *psp_ret) print_hex_dump_debug("(in): ", DUMP_PREFIX_OFFSET, 16, 2, data, sev_cmd_buffer_len(cmd), false); - iowrite32(phys_lsb, sev->io_regs + psp->vdata->cmdbuff_addr_lo_reg); - iowrite32(phys_msb, sev->io_regs + psp->vdata->cmdbuff_addr_hi_reg); + iowrite32(phys_lsb, sev->io_regs + sev->vdata->cmdbuff_addr_lo_reg); + iowrite32(phys_msb, sev->io_regs + sev->vdata->cmdbuff_addr_hi_reg); sev->int_rcvd = 0; reg = cmd; reg <<= SEV_CMDRESP_CMD_SHIFT; reg |= SEV_CMDRESP_IOC; - iowrite32(reg, sev->io_regs + psp->vdata->cmdresp_reg); + iowrite32(reg, sev->io_regs + sev->vdata->cmdresp_reg); /* wait for command completion */ ret = sev_wait_cmd_ioc(sev, ®, psp_timeout); @@ -958,6 +958,13 @@ int sev_dev_init(struct psp_device *psp) sev->io_regs = psp->io_regs; + sev->vdata = (struct sev_vdata *)psp->vdata->sev; + if (!sev->vdata) { + ret = -ENODEV; + dev_err(dev, "sev: missing driver data\n"); + goto e_err; + } + psp_set_sev_irq_handler(psp, sev_irq_handler, sev); ret = sev_misc_init(sev); |