Commit 4d5c5bad5193 ("powerpc: Remove asm/prom.h from asm/mpc52xx.h
and asm/pci.h") that cleans up powerpc's asm/prom.h leads to build
errors in ppc4xx_edac.c due to missing header. Include required
header directly to avoid the build failure.

Reported-by: kernel test robot <redacted>
Fixes: 4d5c5bad5193 ("powerpc: Remove asm/prom.h from asm/mpc52xx.h and asm/pci.h")
Signed-off-by: Christophe Leroy <redacted>
---
 drivers/edac/ppc4xx_edac.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/edac/ppc4xx_edac.c b/drivers/edac/ppc4xx_edac.c
index 6793f6d799e7..0bc670778c99 100644
--- a/drivers/edac/ppc4xx_edac.c
+++ b/drivers/edac/ppc4xx_edac.c

@@ -11,6 +11,7 @@
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
+#include <linux/of_irq.h>
 #include <linux/of_platform.h>
 #include <linux/types.h>
 

-- 
2.36.1