Patch "sparc64: Fix incorrect function signature and add prototype for prom_cif_init" has been added to the 5.15-stable tree

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This is a note to let you know that I've just added the patch titled

    sparc64: Fix incorrect function signature and add prototype for prom_cif_init

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     sparc64-fix-incorrect-function-signature-and-add-pro.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit af51741a53b41ce5834b147319d5baf5ea1cb2e2
Author: Andreas Larsson <andreas@xxxxxxxxxxx>
Date:   Wed Jul 10 11:41:53 2024 +0200

    sparc64: Fix incorrect function signature and add prototype for prom_cif_init
    
    [ Upstream commit a6c3ea1ec96307dbfbb2f16d96c674c5cc80f445 ]
    
    Remove the unused cif_stack argument and add a protype in oplib_64.h
    Commit ef3e035c3a9b ("sparc64: Fix register corruption in top-most
    kernel stack frame during boot.") removed the cif_stack argument to
    prom_cif init in the declaration at the caller site and the usage of it
    within prom_cif_init, but not in the function signature of the function
    itself.
    
    This also fixes the following warning:
    arch/sparc/prom/p1275.c:52:6: warning: no previous prototype for ‘prom_cif_init’
    
    Fixes: ef3e035c3a9b ("sparc64: Fix register corruption in top-most kernel stack frame during boot.")
    Link: https://lore.kernel.org/r/20240710094155.458731-3-andreas@xxxxxxxxxxx
    Signed-off-by: Andreas Larsson <andreas@xxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h
index a67abebd43592..1b86d02a84556 100644
--- a/arch/sparc/include/asm/oplib_64.h
+++ b/arch/sparc/include/asm/oplib_64.h
@@ -247,6 +247,7 @@ void prom_sun4v_guest_soft_state(void);
 int prom_ihandle2path(int handle, char *buffer, int bufsize);
 
 /* Client interface level routines. */
+void prom_cif_init(void *cif_handler);
 void p1275_cmd_direct(unsigned long *);
 
 #endif /* !(__SPARC64_OPLIB_H) */
diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c
index 103aa91043185..f7b8a1a865b8f 100644
--- a/arch/sparc/prom/init_64.c
+++ b/arch/sparc/prom/init_64.c
@@ -26,9 +26,6 @@ phandle prom_chosen_node;
  * routines in the prom library.
  * It gets passed the pointer to the PROM vector.
  */
-
-extern void prom_cif_init(void *);
-
 void __init prom_init(void *cif_handler)
 {
 	phandle node;
diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c
index 889aa602f8d86..51c3f984bbf72 100644
--- a/arch/sparc/prom/p1275.c
+++ b/arch/sparc/prom/p1275.c
@@ -49,7 +49,7 @@ void p1275_cmd_direct(unsigned long *args)
 	local_irq_restore(flags);
 }
 
-void prom_cif_init(void *cif_handler, void *cif_stack)
+void prom_cif_init(void *cif_handler)
 {
 	p1275buf.prom_cif_handler = (void (*)(long *))cif_handler;
 }




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