[PATCH] arm: Add missing includes for mem_encrypt

[Jason Gunthorpe]

Doing:
 #include <linux/mem_encrypt.h>

Causes a bunch of compiler failures due to missing implicit includes that
don't happen on x86:

../arch/arm64/include/asm/rsi_cmds.h:117:2: error: call to undeclared library function 'memcpy' with type 'void *(void *, const void *, unsigned long)'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  117 |         memcpy(&regs.a1, challenge, size);

../arch/arm64/include/asm/mem_encrypt.h:19:49: warning: declaration of 'struct device' will not be visible outside of this function [-Wvisibility]
   19 | static inline bool force_dma_unencrypted(struct device *dev)

../arch/arm64/include/asm/rsi_cmds.h:44:38: error: call to undeclared function 'virt_to_phys'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   44 |         arm_smccc_smc(SMC_RSI_REALM_CONFIG, virt_to_phys(cfg),

Add the missing includes to the arch/arm headers to avoid this.

Signed-off-by: Jason Gunthorpe <jgg at nvidia.com>
---
 arch/arm64/include/asm/mem_encrypt.h | 2 ++
 arch/arm64/include/asm/rsi_cmds.h    | 2 ++
 2 files changed, 4 insertions(+)

I ran into this while working on a new series that uses mem_encrypt.h

diff --git a/arch/arm64/include/asm/mem_encrypt.h b/arch/arm64/include/asm/mem_encrypt.h
index a2a1eeb36d4b50..314b2b52025f87 100644
--- a/arch/arm64/include/asm/mem_encrypt.h
+++ b/arch/arm64/include/asm/mem_encrypt.h
@@ -4,6 +4,8 @@
 
 #include <asm/rsi.h>
 
+struct device;
+
 struct arm64_mem_crypt_ops {
 	int (*encrypt)(unsigned long addr, int numpages);
 	int (*decrypt)(unsigned long addr, int numpages);
diff --git a/arch/arm64/include/asm/rsi_cmds.h b/arch/arm64/include/asm/rsi_cmds.h
index e6a211001bd38e..2c8763876dfb77 100644
--- a/arch/arm64/include/asm/rsi_cmds.h
+++ b/arch/arm64/include/asm/rsi_cmds.h
@@ -7,6 +7,8 @@
 #define __ASM_RSI_CMDS_H
 
 #include <linux/arm-smccc.h>
+#include <linux/string.h>
+#include <asm/memory.h>
 
 #include <asm/rsi_smc.h>
 

base-commit: 6a94d74b67461c203bce8090d677c6c110f67245
-- 
2.43.0