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authorGary R Hook <gary.hook@amd.com>2016-03-01 13:49:04 -0600
committerHerbert Xu <herbert@gondor.apana.org.au>2016-03-11 21:19:07 +0800
commit553d2374db0bb3f48bbd29bef7ba2a4d1a3f325d (patch)
tree1a32958d7359b5e46f7e7f613ac180e88eb8a0df /drivers/crypto/ccp/ccp-pci.c
parent3f19ce2054541a6c663c8a5fcf52e7baa1c6c5f5 (diff)
downloadlinux-553d2374db0bb3f48bbd29bef7ba2a4d1a3f325d.tar.gz
crypto: ccp - Support for multiple CCPs
Enable management of >1 CCPs in a system. Each device will get a unique identifier, as well as uniquely named resources. Treat each CCP as an orthogonal unit and register resources individually. 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>
Diffstat (limited to 'drivers/crypto/ccp/ccp-pci.c')
-rw-r--r--drivers/crypto/ccp/ccp-pci.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/crypto/ccp/ccp-pci.c b/drivers/crypto/ccp/ccp-pci.c
index 7690467c42f8..668e5154beb3 100644
--- a/drivers/crypto/ccp/ccp-pci.c
+++ b/drivers/crypto/ccp/ccp-pci.c
@@ -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>
*
@@ -59,7 +59,8 @@ static int ccp_get_msix_irqs(struct ccp_device *ccp)
ccp_pci->msix_count = ret;
for (v = 0; v < ccp_pci->msix_count; v++) {
/* Set the interrupt names and request the irqs */
- snprintf(ccp_pci->msix[v].name, name_len, "ccp-%u", v);
+ snprintf(ccp_pci->msix[v].name, name_len, "%s-%u",
+ ccp->name, v);
ccp_pci->msix[v].vector = msix_entry[v].vector;
ret = request_irq(ccp_pci->msix[v].vector, ccp_irq_handler,
0, ccp_pci->msix[v].name, dev);
@@ -94,7 +95,7 @@ static int ccp_get_msi_irq(struct ccp_device *ccp)
return ret;
ccp->irq = pdev->irq;
- ret = request_irq(ccp->irq, ccp_irq_handler, 0, "ccp", dev);
+ ret = request_irq(ccp->irq, ccp_irq_handler, 0, ccp->name, dev);
if (ret) {
dev_notice(dev, "unable to allocate MSI IRQ (%d)\n", ret);
goto e_msi;