ARM: 6269/1: Add 'code' parameter for hook_fault_code()

Add one more parameter to hook_fault_code() to be able to set 'code'
field of struct fsr_info.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

10 files changed, 25 insertions, 20 deletions

diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index 5f4f48002734..8ba1ccf82a02 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -83,7 +83,7 @@ void arm_notify_die(const char *str, struct pt_regs *regs, struct siginfo *info,
 
 void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
                                        struct pt_regs *),
-                     int sig, const char *name);
+                     int sig, int code, const char *name);
 
 #define xchg(ptr,x) \
         ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index 9cef0590d5aa..6467d99fa2ee 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -505,10 +505,10 @@ void __init pci_v3_preinit(void)
         /*
          * Hook in our fault handler for PCI errors
          */
-        hook_fault_code(4, v3_pci_fault, SIGBUS, "external abort on linefetch");
-        hook_fault_code(6, v3_pci_fault, SIGBUS, "external abort on linefetch");
-        hook_fault_code(8, v3_pci_fault, SIGBUS, "external abort on non-linefetch");
-        hook_fault_code(10, v3_pci_fault, SIGBUS, "external abort on non-linefetch");
+        hook_fault_code(4, v3_pci_fault, SIGBUS, 0, "external abort on linefetch");
+        hook_fault_code(6, v3_pci_fault, SIGBUS, 0, "external abort on linefetch");
+        hook_fault_code(8, v3_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
+        hook_fault_code(10, v3_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
 
         spin_lock_irqsave(&v3_lock, flags);
 
diff --git a/arch/arm/mach-iop13xx/pci.c b/arch/arm/mach-iop13xx/pci.c
index 6d5a90813d31..773ea0c95b9f 100644
--- a/arch/arm/mach-iop13xx/pci.c
+++ b/arch/arm/mach-iop13xx/pci.c
@@ -987,7 +987,7 @@ void __init iop13xx_pci_init(void)
                 iop13xx_atux_setup();
         }
 
-        hook_fault_code(16+6, iop13xx_pci_abort, SIGBUS,
+        hook_fault_code(16+6, iop13xx_pci_abort, SIGBUS, 0,
                         "imprecise external abort");
 }
 
diff --git a/arch/arm/mach-ixp2000/pci.c b/arch/arm/mach-ixp2000/pci.c
index 90771cad06f8..f797c5f538b0 100644
--- a/arch/arm/mach-ixp2000/pci.c
+++ b/arch/arm/mach-ixp2000/pci.c
@@ -209,7 +209,7 @@ ixp2000_pci_preinit(void)
                         "the needed workaround has not been configured in");
 #endif
 
-        hook_fault_code(16+6, ixp2000_pci_abort_handler, SIGBUS,
+        hook_fault_code(16+6, ixp2000_pci_abort_handler, SIGBUS, 0,
                                 "PCI config cycle to non-existent device");
 }
 
diff --git a/arch/arm/mach-ixp23xx/pci.c b/arch/arm/mach-ixp23xx/pci.c
index 4b0e598a91c9..563819a83292 100644
--- a/arch/arm/mach-ixp23xx/pci.c
+++ b/arch/arm/mach-ixp23xx/pci.c
@@ -229,7 +229,7 @@ void __init ixp23xx_pci_preinit(void)
 {
         ixp23xx_pci_common_init();
 
-        hook_fault_code(16+6, ixp23xx_pci_abort_handler, SIGBUS,
+        hook_fault_code(16+6, ixp23xx_pci_abort_handler, SIGBUS, 0,
                         "PCI config cycle to non-existent device");
 
         *IXP23XX_PCI_ADDR_EXT = 0x0000e000;
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index e3181534c7f9..f4fbb5ec645b 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -382,7 +382,8 @@ void __init ixp4xx_pci_preinit(void)
 
 
         /* hook in our fault handler for PCI errors */
-        hook_fault_code(16+6, abort_handler, SIGBUS, "imprecise external abort");
+        hook_fault_code(16+6, abort_handler, SIGBUS, 0,
+                        "imprecise external abort");
 
         pr_debug("setup PCI-AHB(inbound) and AHB-PCI(outbound) address mappings\n");
 
diff --git a/arch/arm/mach-ks8695/pci.c b/arch/arm/mach-ks8695/pci.c
index 78499667eb7b..5fcd082a17f9 100644
--- a/arch/arm/mach-ks8695/pci.c
+++ b/arch/arm/mach-ks8695/pci.c
@@ -268,8 +268,8 @@ static void __init ks8695_pci_preinit(void)
         __raw_writel(0, KS8695_PCI_VA + KS8695_PIOBAC);
 
         /* hook in fault handlers */
-        hook_fault_code(8, ks8695_pci_fault, SIGBUS, "external abort on non-linefetch");
-        hook_fault_code(10, ks8695_pci_fault, SIGBUS, "external abort on non-linefetch");
+        hook_fault_code(8, ks8695_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
+        hook_fault_code(10, ks8695_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
 }
 
 static void ks8695_show_pciregs(void)
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 53a609680c10..77cfdbed9501 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -924,8 +924,10 @@ static int __init alignment_init(void)
                 ai_usermode = UM_FIXUP;
         }
 
-        hook_fault_code(1, do_alignment, SIGBUS, "alignment exception");
-        hook_fault_code(3, do_alignment, SIGBUS, "alignment exception");
+        hook_fault_code(1, do_alignment, SIGBUS, BUS_ADRALN,
+                        "alignment exception");
+        hook_fault_code(3, do_alignment, SIGBUS, BUS_ADRALN,
+                        "alignment exception");
 
         return 0;
 }
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index ce6f3a422c81..84131c832430 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -508,13 +508,15 @@ static struct fsr_info {
 
 void __init
 hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int, struct pt_regs *),
-                int sig, const char *name)
+                int sig, int code, const char *name)
 {
-        if (nr >= 0 && nr < ARRAY_SIZE(fsr_info)) {
-                fsr_info[nr].fn   = fn;
-                fsr_info[nr].sig  = sig;
-                fsr_info[nr].name = name;
-        }
+        if (nr < 0 || nr >= ARRAY_SIZE(fsr_info))
+                BUG();
+
+        fsr_info[nr].fn   = fn;
+        fsr_info[nr].sig  = sig;
+        fsr_info[nr].code = code;
+        fsr_info[nr].name = name;
 }
 
 /*
diff --git a/arch/arm/plat-iop/pci.c b/arch/arm/plat-iop/pci.c
index ce31f316ac75..43f2b158237c 100644
--- a/arch/arm/plat-iop/pci.c
+++ b/arch/arm/plat-iop/pci.c
@@ -359,7 +359,7 @@ static void __init iop3xx_atu_debug(void)
         DBG("ATU: IOP3XX_ATUCMD=0x%04x\n", *IOP3XX_ATUCMD);
         DBG("ATU: IOP3XX_ATUCR=0x%08x\n", *IOP3XX_ATUCR);
 
-        hook_fault_code(16+6, iop3xx_pci_abort, SIGBUS, "imprecise external abort");
+        hook_fault_code(16+6, iop3xx_pci_abort, SIGBUS, 0, "imprecise external abort");
 }
 
 /* for platforms that might be host-bus-adapters */