linux-kernel - [PATCH 5.19 1020/1157] powerpc/64e: Fix kexec build error

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Date:   Mon, 15 Aug 2022 20:06:16 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Michael Ellerman <mpe@...erman.id.au>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.19 1020/1157] powerpc/64e: Fix kexec build error

From: Michael Ellerman <mpe@...erman.id.au>

[ Upstream commit 4cfa6ff24a9744ba484521c38bea613134fbfcb3 ]

When building ppc64_book3e_allmodconfig the build fails with:

  arch/powerpc/kexec/file_load_64.c:1063:14: error: implicit declaration of function ‘firmware_has_feature’
   1063 |         if (!firmware_has_feature(FW_FEATURE_LPAR))
        |              ^~~~~~~~~~~~~~~~~~~~

Add a direct include of asm/firmware.h to fix the error.

Fixes: b1fc44eaa9ba ("pseries/iommu/ddw: Fix kdump to work in absence of ibm,dma-window")
Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
Link: https://lore.kernel.org/r/20220803063152.1249270-1-mpe@ellerman.id.au
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/powerpc/kexec/file_load_64.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kexec/file_load_64.c b/arch/powerpc/kexec/file_load_64.c
index 5d2c22aa34fb..683462e4556b 100644
--- a/arch/powerpc/kexec/file_load_64.c
+++ b/arch/powerpc/kexec/file_load_64.c
@@ -23,6 +23,7 @@
 #include <linux/vmalloc.h>
 #include <asm/setup.h>
 #include <asm/drmem.h>
+#include <asm/firmware.h>
 #include <asm/kexec_ranges.h>
 #include <asm/crashdump-ppc64.h>
 
-- 
2.35.1