powerpc/machdep: Drop include of seq_file.h

Drop the include of seq_file.h in machdep.h, replace it with a forward
declaration of struct seq_file, which is all that's required.

Add direct includes of seq_file.h to some files that were getting
seq_file.h via machdep.h.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://patch.msgid.link/20241009051826.132805-1-mpe@ellerman.id.au

8 files changed, 8 insertions, 1 deletions

diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 1862f94335ee..3326730cd300 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -4,7 +4,6 @@
 #ifdef __KERNEL__
 
 #include <linux/compiler.h>
-#include <linux/seq_file.h>
 #include <linux/init.h>
 #include <linux/dma-mapping.h>
 #include <linux/export.h>
@@ -18,6 +17,7 @@ struct file;
 struct pci_controller;
 struct kimage;
 struct pci_host_bridge;
+struct seq_file;
 
 struct machdep_calls {
 	const char	*name;
diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c
index 37a67120f257..a7172f9ebaad 100644
--- a/arch/powerpc/platforms/52xx/efika.c
+++ b/arch/powerpc/platforms/52xx/efika.c
@@ -13,6 +13,7 @@
 #include <generated/utsrelease.h>
 #include <linux/pci.h>
 #include <linux/of.h>
+#include <linux/seq_file.h>
 #include <asm/dma.h>
 #include <asm/time.h>
 #include <asm/machdep.h>
diff --git a/arch/powerpc/platforms/embedded6xx/linkstation.c b/arch/powerpc/platforms/embedded6xx/linkstation.c
index e265f026eee2..4012f206ec63 100644
--- a/arch/powerpc/platforms/embedded6xx/linkstation.c
+++ b/arch/powerpc/platforms/embedded6xx/linkstation.c
@@ -13,6 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/initrd.h>
 #include <linux/of_platform.h>
+#include <linux/seq_file.h>
 
 #include <asm/time.h>
 #include <asm/mpic.h>
diff --git a/arch/powerpc/platforms/embedded6xx/mvme5100.c b/arch/powerpc/platforms/embedded6xx/mvme5100.c
index 00bec0f051be..5ca41972ef22 100644
--- a/arch/powerpc/platforms/embedded6xx/mvme5100.c
+++ b/arch/powerpc/platforms/embedded6xx/mvme5100.c
@@ -14,6 +14,7 @@
 
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
+#include <linux/seq_file.h>
 
 #include <asm/i8259.h>
 #include <asm/pci-bridge.h>
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index c1d8bee8f701..0c428f1ae712 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -16,6 +16,7 @@
 #include <linux/export.h>
 #include <linux/jump_label.h>
 #include <linux/delay.h>
+#include <linux/seq_file.h>
 #include <linux/stop_machine.h>
 #include <linux/spinlock.h>
 #include <linux/cpuhotplug.h>
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 6dfb55b52d36..fdc2f7f38dc9 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -9,6 +9,7 @@
 #include <linux/irq.h>
 #include <linux/irqdomain.h>
 #include <linux/msi.h>
+#include <linux/seq_file.h>
 
 #include <asm/rtas.h>
 #include <asm/hw_irq.h>
diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c
index 9e297f88adc5..f84ac9fbe203 100644
--- a/arch/powerpc/platforms/pseries/papr_scm.c
+++ b/arch/powerpc/platforms/pseries/papr_scm.c
@@ -6,6 +6,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/ioport.h>
+#include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/ndctl.h>
 #include <linux/sched.h>
diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c
index f2fa985a2c77..5aedbe3e8e6a 100644
--- a/arch/powerpc/sysdev/xive/spapr.c
+++ b/arch/powerpc/sysdev/xive/spapr.c
@@ -7,6 +7,7 @@
 
 #include <linux/types.h>
 #include <linux/irq.h>
+#include <linux/seq_file.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>