ARM: qcom: scm: Clarify boot interface

The secure world only knows about 32-bit wide physical addresses
for the boot API. Clarify the kernel interface by explicitly
stating a u32 instead of phys_addr_t which could be 32 or 64 bits
depending on LPAE or not.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>

diff --git a/arch/arm/mach-qcom/scm-boot.c b/arch/arm/mach-qcom/scm-boot.c
index 45cee3e..f2fa328 100644 (file)
--- a/arch/arm/mach-qcom/scm-boot.c
+++ b/arch/arm/mach-qcom/scm-boot.c
@@ -24,11 +24,11 @@
 /*
  * Set the cold/warm boot address for one of the CPU cores.
  */
-int scm_set_boot_addr(phys_addr_t addr, int flags)
+int scm_set_boot_addr(u32 addr, int flags)
 {
        struct {
                unsigned int flags;
-               phys_addr_t  addr;
+               u32 addr;
        } cmd;
 
        cmd.addr = addr;

diff --git a/arch/arm/mach-qcom/scm-boot.h b/arch/arm/mach-qcom/scm-boot.h
index 02b445c..3e210fb 100644 (file)
--- a/arch/arm/mach-qcom/scm-boot.h
+++ b/arch/arm/mach-qcom/scm-boot.h
@@ -21,6 +21,6 @@
 #define SCM_FLAG_WARMBOOT_CPU2         0x10
 #define SCM_FLAG_WARMBOOT_CPU3         0x40
 
-int scm_set_boot_addr(phys_addr_t addr, int flags);
+int scm_set_boot_addr(u32 addr, int flags);
 
 #endif