crypto: ccp - Fix command completion detection race

[linux-2.6-microblaze.git] / drivers / crypto / ccp / psp-dev.c

diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index ff478d8..973d683 100644 (file)
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -84,8 +84,6 @@ done:
 
 static void sev_wait_cmd_ioc(struct psp_device *psp, unsigned int *reg)
 {
-       psp->sev_int_rcvd = 0;
-
        wait_event(psp->sev_int_queue, psp->sev_int_rcvd);
        *reg = ioread32(psp->io_regs + PSP_CMDRESP);
 }
@@ -148,6 +146,8 @@ static int __sev_do_cmd_locked(int cmd, void *data, int *psp_ret)
        iowrite32(phys_lsb, psp->io_regs + PSP_CMDBUFF_ADDR_LO);
        iowrite32(phys_msb, psp->io_regs + PSP_CMDBUFF_ADDR_HI);
 
+       psp->sev_int_rcvd = 0;
+
        reg = cmd;
        reg <<= PSP_CMDRESP_CMD_SHIFT;
        reg |= PSP_CMDRESP_IOC;