crypto: ccp - Add abstraction for device-specific calls
Support for different generations of the coprocessor
requires that an abstraction layer be implemented for
interacting with the hardware. This patch splits out
version-specific functions to a separate file and populates
the version structure (acting as a driver) with function
pointers.
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>
diff --git a/drivers/crypto/ccp/ccp-platform.c b/drivers/crypto/ccp/ccp-platform.c
index 6e1cf22..351f28d8 100644
--- a/drivers/crypto/ccp/ccp-platform.c
+++ b/drivers/crypto/ccp/ccp-platform.c
@@ -70,7 +70,8 @@
return ret;
ccp->irq = ret;
- ret = request_irq(ccp->irq, ccp_irq_handler, 0, ccp->name, dev);
+ ret = request_irq(ccp->irq, ccp->vdata->perform->irqhandler, 0,
+ ccp->name, dev);
if (ret) {
dev_notice(dev, "unable to allocate IRQ (%d)\n", ret);
return ret;
@@ -171,7 +172,7 @@
dev_set_drvdata(dev, ccp);
- ret = ccp_init(ccp);
+ ret = ccp->vdata->perform->init(ccp);
if (ret)
goto e_err;
@@ -189,7 +190,7 @@
struct device *dev = &pdev->dev;
struct ccp_device *ccp = dev_get_drvdata(dev);
- ccp_destroy(ccp);
+ ccp->vdata->perform->destroy(ccp);
dev_notice(dev, "disabled\n");