[PATCH v8 04/25] arm64: kexec: make dtb_mem always enabled

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Currently, dtb_mem is enabled only when CONFIG_KEXEC_FILE is
enabled. This adds ugly ifdefs to c files.

Always enabled dtb_mem, when it is not used, it is NULL.
Change the dtb_mem to phys_addr_t, as it is a physical address.

Signed-off-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
---
 arch/arm64/include/asm/kexec.h    | 4 ++--
 arch/arm64/kernel/machine_kexec.c | 6 +-----
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/include/asm/kexec.h b/arch/arm64/include/asm/kexec.h
index 12a561a54128..ad6afed69078 100644
--- a/arch/arm64/include/asm/kexec.h
+++ b/arch/arm64/include/asm/kexec.h
@@ -90,14 +90,14 @@ static inline void crash_prepare_suspend(void) {}
 static inline void crash_post_resume(void) {}
 #endif
 
-#ifdef CONFIG_KEXEC_FILE
 #define ARCH_HAS_KIMAGE_ARCH
 
 struct kimage_arch {
 	void *dtb;
-	unsigned long dtb_mem;
+	phys_addr_t dtb_mem;
 };
 
+#ifdef CONFIG_KEXEC_FILE
 extern const struct kexec_file_ops kexec_image_ops;
 
 struct kimage;
diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c
index 8e9c924423b4..ae1bad0156cd 100644
--- a/arch/arm64/kernel/machine_kexec.c
+++ b/arch/arm64/kernel/machine_kexec.c
@@ -203,11 +203,7 @@ void machine_kexec(struct kimage *kimage)
 	 * In kexec_file case, the kernel starts directly without purgatory.
 	 */
 	cpu_soft_restart(reboot_code_buffer_phys, kimage->head, kimage->start,
-#ifdef CONFIG_KEXEC_FILE
-						kimage->arch.dtb_mem);
-#else
-						0);
-#endif
+			 kimage->arch.dtb_mem);
 
 	BUG(); /* Should never get here. */
 }
-- 
2.24.0


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