crypto: ccp - Remove check for x86 family and model
authorGary R Hook <gary.hook@amd.com>
Tue, 1 Mar 2016 19:48:54 +0000 (13:48 -0600)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 11 Mar 2016 13:19:06 +0000 (21:19 +0800)
Each x86 SoC will make use of a unique PCI ID for the CCP
device so it is not necessary to check for the CPU family
and model.

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/ccp/ccp-dev.c

index 861bacc1bb94fb79d4147dec386020ad13282ce8..725c59016a36145234afb9bffddee6efa7a70b7e 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * AMD Cryptographic Coprocessor (CCP) driver
  *
- * Copyright (C) 2013 Advanced Micro Devices, Inc.
+ * Copyright (C) 2013,2016 Advanced Micro Devices, Inc.
  *
  * Author: Tom Lendacky <thomas.lendacky@amd.com>
  *
@@ -577,41 +577,22 @@ bool ccp_queues_suspended(struct ccp_device *ccp)
 }
 #endif
 
-#ifdef CONFIG_X86
-static const struct x86_cpu_id ccp_support[] = {
-       { X86_VENDOR_AMD, 22, },
-       { },
-};
-#endif
-
 static int __init ccp_mod_init(void)
 {
 #ifdef CONFIG_X86
-       struct cpuinfo_x86 *cpuinfo = &boot_cpu_data;
        int ret;
 
-       if (!x86_match_cpu(ccp_support))
-               return -ENODEV;
-
-       switch (cpuinfo->x86) {
-       case 22:
-               if ((cpuinfo->x86_model < 48) || (cpuinfo->x86_model > 63))
-                       return -ENODEV;
-
-               ret = ccp_pci_init();
-               if (ret)
-                       return ret;
-
-               /* Don't leave the driver loaded if init failed */
-               if (!ccp_get_device()) {
-                       ccp_pci_exit();
-                       return -ENODEV;
-               }
-
-               return 0;
+       ret = ccp_pci_init();
+       if (ret)
+               return ret;
 
-               break;
+       /* Don't leave the driver loaded if init failed */
+       if (!ccp_get_device()) {
+               ccp_pci_exit();
+               return -ENODEV;
        }
+
+       return 0;
 #endif
 
 #ifdef CONFIG_ARM64
@@ -636,13 +617,7 @@ static int __init ccp_mod_init(void)
 static void __exit ccp_mod_exit(void)
 {
 #ifdef CONFIG_X86
-       struct cpuinfo_x86 *cpuinfo = &boot_cpu_data;
-
-       switch (cpuinfo->x86) {
-       case 22:
-               ccp_pci_exit();
-               break;
-       }
+       ccp_pci_exit();
 #endif
 
 #ifdef CONFIG_ARM64
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