crypto: ccp - Make CCP debugfs support optional (93308baf) · Commits · 戴 / test

drivers/crypto/ccp/Kconfig

+8 −0

Original line number	Diff line number	Diff line
		@@ -46,3 +46,11 @@ config CRYPTO_DEV_SP_PSP
		management commands in Secure Encrypted Virtualization (SEV) mode,
		along with software-based Trusted Execution Environment (TEE) to
		enable third-party trusted applications.

		config CRYPTO_DEV_CCP_DEBUGFS
		bool "Enable CCP Internals in DebugFS"
		default n
		depends on CRYPTO_DEV_SP_CCP
		help
		Expose CCP device information such as operation statistics, feature
		information, and descriptor queue contents.

+2 −2

Original line number	Diff line number	Diff line
		@@ -5,8 +5,8 @@ ccp-$(CONFIG_CRYPTO_DEV_SP_CCP) += ccp-dev.o \
		ccp-ops.o \
		ccp-dev-v3.o \
		ccp-dev-v5.o \
		ccp-dmaengine.o \
		ccp-debugfs.o
		ccp-dmaengine.o
		ccp-$(CONFIG_CRYPTO_DEV_CCP_DEBUGFS) += ccp-debugfs.o
		ccp-$(CONFIG_PCI) += sp-pci.o
		ccp-$(CONFIG_CRYPTO_DEV_SP_PSP) += psp-dev.o

+4 −0

Original line number	Diff line number	Diff line
		@@ -970,8 +970,10 @@ static int ccp5_init(struct ccp_device *ccp)
		if (ret)
		goto e_hwrng;

		#ifdef CONFIG_CRYPTO_DEV_CCP_DEBUGFS
		/* Set up debugfs entries */
		ccp5_debugfs_setup(ccp);
		#endif

		return 0;

		@@ -1009,11 +1011,13 @@ static void ccp5_destroy(struct ccp_device *ccp)
		/* Remove this device from the list of available units first */
		ccp_del_device(ccp);

		#ifdef CONFIG_CRYPTO_DEV_CCP_DEBUGFS
		/* We're in the process of tearing down the entire driver;
		* when all the devices are gone clean up debugfs
		*/
		if (ccp_present())
		ccp5_debugfs_destroy();
		#endif

		/* Disable and clear interrupts */
		ccp5_disable_queue_interrupts(ccp);