[PATCH 1/2] platform/x86/amd/pmf: Do not use readl() for policy buffer access

[Armin Wolf]

The policy buffer is allocated using normal memory allocation
functions, so readl() should not be used on it.

Compile-tested only.

Signed-off-by: Armin Wolf <W_Armin@xxxxxx>
---
 drivers/platform/x86/amd/pmf/tee-if.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/amd/pmf/tee-if.c b/drivers/platform/x86/amd/pmf/tee-if.c
index 16973bebf55f..70d09103ab18 100644
--- a/drivers/platform/x86/amd/pmf/tee-if.c
+++ b/drivers/platform/x86/amd/pmf/tee-if.c
@@ -249,8 +249,8 @@ static int amd_pmf_start_policy_engine(struct amd_pmf_dev *dev)
 	u32 cookie, length;
 	int res;

-	cookie = readl(dev->policy_buf + POLICY_COOKIE_OFFSET);
-	length = readl(dev->policy_buf + POLICY_COOKIE_LEN);
+	cookie = dev->policy_buf[POLICY_COOKIE_OFFSET];
+	length = dev->policy_buf[POLICY_COOKIE_LEN];

 	if (cookie != POLICY_SIGN_COOKIE || !length)
 		return -EINVAL;
--
2.39.2