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xtensa: clean up custom-controlled debug output

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Replace #ifdef'fed/commented out debug printk statements with pr_debug.
Replace printk statements with pr_* equivalents.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2017-12-15 12:00:30 -08:00
parent 40d1a07b33
commit c130d3be84
11 changed files with 66 additions and 117 deletions
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19
arch/xtensa/kernel/module.c
View File

@ -22,8 +22,6 @@
#include <linux/kernel.h>
#include <linux/cache.h>
#undef DEBUG_RELOCATE
static int
decode_calln_opcode (unsigned char *location)
{
@ -58,10 +56,9 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
unsigned char *location;
uint32_t value;
#ifdef DEBUG_RELOCATE
printk("Applying relocate section %u to %u\n", relsec,
sechdrs[relsec].sh_info);
#endif
pr_debug("Applying relocate section %u to %u\n", relsec,
sechdrs[relsec].sh_info);
for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rela); i++) {
location = (char *)sechdrs[sechdrs[relsec].sh_info].sh_addr
+ rela[i].r_offset;
@ -87,7 +84,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
value -= ((unsigned long)location & -4) + 4;
if ((value & 3) != 0 ||
((value + (1 << 19)) >> 20) != 0) {
printk("%s: relocation out of range, "
pr_err("%s: relocation out of range, "
"section %d reloc %d "
"sym '%s'\n",
mod->name, relsec, i,
@ -111,7 +108,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
value -= (((unsigned long)location + 3) & -4);
if ((value & 3) != 0 ||
(signed int)value >> 18 != -1) {
printk("%s: relocation out of range, "
pr_err("%s: relocation out of range, "
"section %d reloc %d "
"sym '%s'\n",
mod->name, relsec, i,
@ -156,7 +153,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
case R_XTENSA_SLOT12_OP:
case R_XTENSA_SLOT13_OP:
case R_XTENSA_SLOT14_OP:
printk("%s: unexpected FLIX relocation: %u\n",
pr_err("%s: unexpected FLIX relocation: %u\n",
mod->name,
ELF32_R_TYPE(rela[i].r_info));
return -ENOEXEC;
@ -176,13 +173,13 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
case R_XTENSA_SLOT12_ALT:
case R_XTENSA_SLOT13_ALT:
case R_XTENSA_SLOT14_ALT:
printk("%s: unexpected ALT relocation: %u\n",
pr_err("%s: unexpected ALT relocation: %u\n",
mod->name,
ELF32_R_TYPE(rela[i].r_info));
return -ENOEXEC;
default:
printk("%s: unexpected relocation: %u\n",
pr_err("%s: unexpected relocation: %u\n",
mod->name,
ELF32_R_TYPE(rela[i].r_info));
return -ENOEXEC;

30
arch/xtensa/kernel/pci.c
View File

@ -29,14 +29,6 @@
#include <asm/pci-bridge.h>
#include <asm/platform.h>
#undef DEBUG
#ifdef DEBUG
#define DBG(x...) printk(x)
#else
#define DBG(x...)
#endif
/* PCI Controller */
@ -101,8 +93,8 @@ pcibios_enable_resources(struct pci_dev *dev, int mask)
for(idx=0; idx<6; idx++) {
r = &dev->resource[idx];
if (!r->start && r->end) {
printk (KERN_ERR "PCI: Device %s not available because "
"of resource collisions\n", pci_name(dev));
pr_err("PCI: Device %s not available because "
"of resource collisions\n", pci_name(dev));
return -EINVAL;
}
if (r->flags & IORESOURCE_IO)
@ -113,7 +105,7 @@ pcibios_enable_resources(struct pci_dev *dev, int mask)
if (dev->resource[PCI_ROM_RESOURCE].start)
cmd |= PCI_COMMAND_MEMORY;
if (cmd != old_cmd) {
printk("PCI: Enabling device %s (%04x -> %04x)\n",
pr_info("PCI: Enabling device %s (%04x -> %04x)\n",
pci_name(dev), old_cmd, cmd);
pci_write_config_word(dev, PCI_COMMAND, cmd);
}
@ -144,8 +136,8 @@ static void __init pci_controller_apertures(struct pci_controller *pci_ctrl,
res = &pci_ctrl->io_resource;
if (!res->flags) {
if (io_offset)
printk (KERN_ERR "I/O resource not set for host"
" bridge %d\n", pci_ctrl->index);
pr_err("I/O resource not set for host bridge %d\n",
pci_ctrl->index);
res->start = 0;
res->end = IO_SPACE_LIMIT;
res->flags = IORESOURCE_IO;
@ -159,8 +151,8 @@ static void __init pci_controller_apertures(struct pci_controller *pci_ctrl,
if (!res->flags) {
if (i > 0)
continue;
printk(KERN_ERR "Memory resource not set for "
"host bridge %d\n", pci_ctrl->index);
pr_err("Memory resource not set for host bridge %d\n",
pci_ctrl->index);
res->start = 0;
res->end = ~0U;
res->flags = IORESOURCE_MEM;
@ -176,7 +168,7 @@ static int __init pcibios_init(void)
struct pci_bus *bus;
int next_busno = 0, ret;
printk("PCI: Probing PCI hardware\n");
pr_info("PCI: Probing PCI hardware\n");
/* Scan all of the recorded PCI controllers. */
for (pci_ctrl = pci_ctrl_head; pci_ctrl; pci_ctrl = pci_ctrl->next) {
@ -232,7 +224,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
for (idx=0; idx<6; idx++) {
r = &dev->resource[idx];
if (!r->start && r->end) {
printk(KERN_ERR "PCI: Device %s not available because "
pr_err("PCI: Device %s not available because "
"of resource collisions\n", pci_name(dev));
return -EINVAL;
}
@ -242,8 +234,8 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
cmd |= PCI_COMMAND_MEMORY;
}
if (cmd != old_cmd) {
printk("PCI: Enabling device %s (%04x -> %04x)\n",
pci_name(dev), old_cmd, cmd);
pr_info("PCI: Enabling device %s (%04x -> %04x)\n",
pci_name(dev), old_cmd, cmd);
pci_write_config_word(dev, PCI_COMMAND, cmd);
}

7
arch/xtensa/kernel/setup.c
View File

@ -156,7 +156,7 @@ static int __init parse_bootparam(const bp_tag_t* tag)
/* Boot parameters must start with a BP_TAG_FIRST tag. */
if (tag->id != BP_TAG_FIRST) {
printk(KERN_WARNING "Invalid boot parameters!\n");
pr_warn("Invalid boot parameters!\n");
return 0;
}
@ -165,15 +165,14 @@ static int __init parse_bootparam(const bp_tag_t* tag)
/* Parse all tags. */
while (tag != NULL && tag->id != BP_TAG_LAST) {
for (t = &__tagtable_begin; t < &__tagtable_end; t++) {
for (t = &__tagtable_begin; t < &__tagtable_end; t++) {
if (tag->id == t->tag) {
t->parse(tag);
break;
}
}
if (t == &__tagtable_end)
printk(KERN_WARNING "Ignoring tag "
"0x%08x\n", tag->id);
pr_warn("Ignoring tag 0x%08x\n", tag->id);
tag = (bp_tag_t*)((unsigned long)(tag + 1) + tag->size);
}

8
arch/xtensa/kernel/signal.c
View File

@ -28,8 +28,6 @@
#include <asm/coprocessor.h>
#include <asm/unistd.h>
#define DEBUG_SIG 0
extern struct task_struct *coproc_owners[];
struct rt_sigframe
@ -399,10 +397,8 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
regs->areg[8] = (unsigned long) &frame->uc;
regs->threadptr = tp;
#if DEBUG_SIG
printk("SIG rt deliver (%s:%d): signal=%d sp=%p pc=%08x\n",
current->comm, current->pid, sig, frame, regs->pc);
#endif
pr_debug("SIG rt deliver (%s:%d): signal=%d sp=%p pc=%08lx\n",
current->comm, current->pid, sig, frame, regs->pc);
return 0;
}

25
arch/xtensa/kernel/traps.c
View File

@ -33,6 +33,7 @@
#include <linux/kallsyms.h>
#include <linux/delay.h>
#include <linux/hardirq.h>
#include <linux/ratelimit.h>
#include <asm/stacktrace.h>
#include <asm/ptrace.h>
@ -178,13 +179,14 @@ __die_if_kernel(const char *str, struct pt_regs *regs, long err)
void do_unhandled(struct pt_regs *regs, unsigned long exccause)
{
__die_if_kernel("Caught unhandled exception - should not happen",
regs, SIGKILL);
regs, SIGKILL);
/* If in user mode, send SIGILL signal to current process */
printk("Caught unhandled exception in '%s' "
"(pid = %d, pc = %#010lx) - should not happen\n"
"\tEXCCAUSE is %ld\n",
current->comm, task_pid_nr(current), regs->pc, exccause);
pr_info_ratelimited("Caught unhandled exception in '%s' "
"(pid = %d, pc = %#010lx) - should not happen\n"
"\tEXCCAUSE is %ld\n",
current->comm, task_pid_nr(current), regs->pc,
exccause);
force_sig(SIGILL, current);
}
@ -305,8 +307,8 @@ do_illegal_instruction(struct pt_regs *regs)
/* If in user mode, send SIGILL signal to current process. */
printk("Illegal Instruction in '%s' (pid = %d, pc = %#010lx)\n",
current->comm, task_pid_nr(current), regs->pc);
pr_info_ratelimited("Illegal Instruction in '%s' (pid = %d, pc = %#010lx)\n",
current->comm, task_pid_nr(current), regs->pc);
force_sig(SIGILL, current);
}
@ -325,13 +327,14 @@ do_unaligned_user (struct pt_regs *regs)
siginfo_t info;
__die_if_kernel("Unhandled unaligned exception in kernel",
regs, SIGKILL);
regs, SIGKILL);
current->thread.bad_vaddr = regs->excvaddr;
current->thread.error_code = -3;
printk("Unaligned memory access to %08lx in '%s' "
"(pid = %d, pc = %#010lx)\n",
regs->excvaddr, current->comm, task_pid_nr(current), regs->pc);
pr_info_ratelimited("Unaligned memory access to %08lx in '%s' "
"(pid = %d, pc = %#010lx)\n",
regs->excvaddr, current->comm,
task_pid_nr(current), regs->pc);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRALN;

45
arch/xtensa/lib/pci-auto.c
View File

@ -49,17 +49,6 @@
*
*/
/* define DEBUG to print some debugging messages. */
#undef DEBUG
#ifdef DEBUG
# define DBG(x...) printk(x)
#else
# define DBG(x...)
#endif
static int pciauto_upper_iospc;
static int pciauto_upper_memspc;
@ -97,7 +86,7 @@ pciauto_setup_bars(struct pci_dev *dev, int bar_limit)
{
bar_size &= PCI_BASE_ADDRESS_IO_MASK;
upper_limit = &pciauto_upper_iospc;
DBG("PCI Autoconfig: BAR %d, I/O, ", bar_nr);
pr_debug("PCI Autoconfig: BAR %d, I/O, ", bar_nr);
}
else
{
@ -107,7 +96,7 @@ pciauto_setup_bars(struct pci_dev *dev, int bar_limit)
bar_size &= PCI_BASE_ADDRESS_MEM_MASK;
upper_limit = &pciauto_upper_memspc;
DBG("PCI Autoconfig: BAR %d, Mem, ", bar_nr);
pr_debug("PCI Autoconfig: BAR %d, Mem, ", bar_nr);
}
/* Allocate a base address (bar_size is negative!) */
@ -125,7 +114,8 @@ pciauto_setup_bars(struct pci_dev *dev, int bar_limit)
if (found_mem64)
pci_write_config_dword(dev, (bar+=4), 0x00000000);
DBG("size=0x%x, address=0x%x\n", ~bar_size + 1, *upper_limit);
pr_debug("size=0x%x, address=0x%x\n",
~bar_size + 1, *upper_limit);
}
}
@ -150,7 +140,7 @@ pciauto_setup_irq(struct pci_controller* pci_ctrl,struct pci_dev *dev,int devfn)
if (irq == -1)
irq = 0;
DBG("PCI Autoconfig: Interrupt %d, pin %d\n", irq, pin);
pr_debug("PCI Autoconfig: Interrupt %d, pin %d\n", irq, pin);
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
@ -289,8 +279,8 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus)
int iosave, memsave;
DBG("PCI Autoconfig: Found P2P bridge, device %d\n",
PCI_SLOT(pci_devfn));
pr_debug("PCI Autoconfig: Found P2P bridge, device %d\n",
PCI_SLOT(pci_devfn));
/* Allocate PCI I/O and/or memory space */
pciauto_setup_bars(dev, PCI_BASE_ADDRESS_1);
@ -306,23 +296,6 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus)
}
#if 0
/* Skip legacy mode IDE controller */
if ((pci_class >> 16) == PCI_CLASS_STORAGE_IDE) {
unsigned char prg_iface;
pci_read_config_byte(dev, PCI_CLASS_PROG, &prg_iface);
if (!(prg_iface & PCIAUTO_IDE_MODE_MASK)) {
DBG("PCI Autoconfig: Skipping legacy mode "
"IDE controller\n");
continue;
}
}
#endif
/*
* Found a peripheral, enable some standard
* settings
@ -337,8 +310,8 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus)
pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x80);
/* Allocate PCI I/O and/or memory space */
DBG("PCI Autoconfig: Found Bus %d, Device %d, Function %d\n",
current_bus, PCI_SLOT(pci_devfn), PCI_FUNC(pci_devfn) );
pr_debug("PCI Autoconfig: Found Bus %d, Device %d, Function %d\n",
current_bus, PCI_SLOT(pci_devfn), PCI_FUNC(pci_devfn));
pciauto_setup_bars(dev, PCI_BASE_ADDRESS_5);
pciauto_setup_irq(pci_ctrl, dev, pci_devfn);

3
arch/xtensa/mm/cache.c
View File

@ -33,9 +33,6 @@
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
//#define printd(x...) printk(x)
#define printd(x...) do { } while(0)
/*
* Note:
* The kernel provides one architecture bit PG_arch_1 in the page flags that

22
arch/xtensa/mm/fault.c
View File

@ -25,8 +25,6 @@
DEFINE_PER_CPU(unsigned long, asid_cache) = ASID_USER_FIRST;
void bad_page_fault(struct pt_regs*, unsigned long, int);
#undef DEBUG_PAGE_FAULT
/*
* This routine handles page faults. It determines the address,
* and the problem, and then passes it off to one of the appropriate
@ -68,10 +66,10 @@ void do_page_fault(struct pt_regs *regs)
exccause == EXCCAUSE_ITLB_MISS ||
exccause == EXCCAUSE_FETCH_CACHE_ATTRIBUTE) ? 1 : 0;
#ifdef DEBUG_PAGE_FAULT
printk("[%s:%d:%08x:%d:%08x:%s%s]\n", current->comm, current->pid,
address, exccause, regs->pc, is_write? "w":"", is_exec? "x":"");
#endif
pr_debug("[%s:%d:%08x:%d:%08lx:%s%s]\n",
current->comm, current->pid,
address, exccause, regs->pc,
is_write ? "w" : "", is_exec ? "x" : "");
if (user_mode(regs))
flags |= FAULT_FLAG_USER;
@ -247,10 +245,8 @@ bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
/* Are we prepared to handle this kernel fault? */
if ((entry = search_exception_tables(regs->pc)) != NULL) {
#ifdef DEBUG_PAGE_FAULT
printk(KERN_DEBUG "%s: Exception at pc=%#010lx (%lx)\n",
current->comm, regs->pc, entry->fixup);
#endif
pr_debug("%s: Exception at pc=%#010lx (%lx)\n",
current->comm, regs->pc, entry->fixup);
current->thread.bad_uaddr = address;
regs->pc = entry->fixup;
return;
@ -259,9 +255,9 @@ bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
/* Oops. The kernel tried to access some bad page. We'll have to
* terminate things with extreme prejudice.
*/
printk(KERN_ALERT "Unable to handle kernel paging request at virtual "
"address %08lx\n pc = %08lx, ra = %08lx\n",
address, regs->pc, regs->areg[0]);
pr_alert("Unable to handle kernel paging request at virtual "
"address %08lx\n pc = %08lx, ra = %08lx\n",
address, regs->pc, regs->areg[0]);
die("Oops", regs, sig);
do_exit(sig);
}

6
arch/xtensa/mm/tlb.c
View File

@ -95,10 +95,8 @@ void local_flush_tlb_range(struct vm_area_struct *vma,
if (mm->context.asid[cpu] == NO_CONTEXT)
return;
#if 0
printk("[tlbrange<%02lx,%08lx,%08lx>]\n",
(unsigned long)mm->context.asid[cpu], start, end);
#endif
pr_debug("[tlbrange<%02lx,%08lx,%08lx>]\n",
(unsigned long)mm->context.asid[cpu], start, end);
local_irq_save(flags);
if (end-start + (PAGE_SIZE-1) <= _TLB_ENTRIES << PAGE_SHIFT) {

4
arch/xtensa/platforms/iss/console.c
View File

@ -186,7 +186,7 @@ int __init rs_init(void)
serial_driver = alloc_tty_driver(SERIAL_MAX_NUM_LINES);
printk ("%s %s\n", serial_name, serial_version);
pr_info("%s %s\n", serial_name, serial_version);
/* Initialize the tty_driver structure */
@ -215,7 +215,7 @@ static __exit void rs_exit(void)
int error;
if ((error = tty_unregister_driver(serial_driver)))
printk("ISS_SERIAL: failed to unregister serial driver (%d)\n",
pr_err("ISS_SERIAL: failed to unregister serial driver (%d)\n",
error);
put_tty_driver(serial_driver);
tty_port_destroy(&serial_port);

14
arch/xtensa/platforms/iss/network.c
View File

@ -16,6 +16,8 @@
*
*/
#define pr_fmt(fmt) "%s: " fmt, __func__
#include <linux/list.h>
#include <linux/irq.h>
#include <linux/spinlock.h>
@ -609,8 +611,6 @@ struct iss_net_init {
* those fields. They will be later initialized in iss_net_init.
*/
#define ERR KERN_ERR "iss_net_setup: "
static int __init iss_net_setup(char *str)
{
struct iss_net_private *device = NULL;
@ -622,14 +622,14 @@ static int __init iss_net_setup(char *str)
end = strchr(str, '=');
if (!end) {
printk(ERR "Expected '=' after device number\n");
pr_err("Expected '=' after device number\n");
return 1;
}
*end = 0;
rc = kstrtouint(str, 0, &n);
*end = '=';
if (rc < 0) {
printk(ERR "Failed to parse '%s'\n", str);
pr_err("Failed to parse '%s'\n", str);
return 1;
}
str = end;
@ -645,13 +645,13 @@ static int __init iss_net_setup(char *str)
spin_unlock(&devices_lock);
if (device && device->index == n) {
printk(ERR "Device %u already configured\n", n);
pr_err("Device %u already configured\n", n);
return 1;
}
new = alloc_bootmem(sizeof(*new));
if (new == NULL) {
printk(ERR "Alloc_bootmem failed\n");
pr_err("Alloc_bootmem failed\n");
return 1;
}
@ -663,8 +663,6 @@ static int __init iss_net_setup(char *str)
return 1;
}
#undef ERR
__setup("eth", iss_net_setup);
/*