Remove OMAP3-specific register dumping feature from PM debug layer.
This is removed because:
- it's ugly
- it's OMAP3-specific, and will obviously not scale to OMAP4+
- userspace /dev/mem-based tools (like omapconf) can do this much better
Signed-off-by: Kevin Hilman <khilman@xxxxxx>
---
arch/arm/mach-omap2/pm-debug.c | 221 ----------------------------------------
1 files changed, 0 insertions(+), 221 deletions(-)
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index 6fe1700..7c72f29 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -63,10 +63,6 @@ void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds)
#include <linux/debugfs.h>
#include <linux/seq_file.h>
-static void pm_dbg_regset_store(u32 *ptr);
-
-static struct dentry *pm_dbg_dir;
-
static int pm_dbg_init_done;
static int __init pm_dbg_init(void);
@@ -76,160 +72,6 @@ enum {
DEBUG_FILE_TIMERS,
};
-struct pm_module_def {
- char name[8]; /* Name of the module */
- short type; /* CM or PRM */
- unsigned short offset;
- int low; /* First register address on this module */
- int high; /* Last register address on this module */
-};
-
-#define MOD_CM 0
-#define MOD_PRM 1
-
-static const struct pm_module_def *pm_dbg_reg_modules;
-static const struct pm_module_def omap3_pm_reg_modules[] = {
- { "IVA2", MOD_CM, OMAP3430_IVA2_MOD, 0, 0x4c },
- { "OCP", MOD_CM, OCP_MOD, 0, 0x10 },
- { "MPU", MOD_CM, MPU_MOD, 4, 0x4c },
- { "CORE", MOD_CM, CORE_MOD, 0, 0x4c },
- { "SGX", MOD_CM, OMAP3430ES2_SGX_MOD, 0, 0x4c },
- { "WKUP", MOD_CM, WKUP_MOD, 0, 0x40 },
- { "CCR", MOD_CM, PLL_MOD, 0, 0x70 },
- { "DSS", MOD_CM, OMAP3430_DSS_MOD, 0, 0x4c },
- { "CAM", MOD_CM, OMAP3430_CAM_MOD, 0, 0x4c },
- { "PER", MOD_CM, OMAP3430_PER_MOD, 0, 0x4c },
- { "EMU", MOD_CM, OMAP3430_EMU_MOD, 0x40, 0x54 },
- { "NEON", MOD_CM, OMAP3430_NEON_MOD, 0x20, 0x48 },
- { "USB", MOD_CM, OMAP3430ES2_USBHOST_MOD, 0, 0x4c },
-
- { "IVA2", MOD_PRM, OMAP3430_IVA2_MOD, 0x50, 0xfc },
- { "OCP", MOD_PRM, OCP_MOD, 4, 0x1c },
- { "MPU", MOD_PRM, MPU_MOD, 0x58, 0xe8 },
- { "CORE", MOD_PRM, CORE_MOD, 0x58, 0xf8 },
- { "SGX", MOD_PRM, OMAP3430ES2_SGX_MOD, 0x58, 0xe8 },
- { "WKUP", MOD_PRM, WKUP_MOD, 0xa0, 0xb0 },
- { "CCR", MOD_PRM, PLL_MOD, 0x40, 0x70 },
- { "DSS", MOD_PRM, OMAP3430_DSS_MOD, 0x58, 0xe8 },
- { "CAM", MOD_PRM, OMAP3430_CAM_MOD, 0x58, 0xe8 },
- { "PER", MOD_PRM, OMAP3430_PER_MOD, 0x58, 0xe8 },
- { "EMU", MOD_PRM, OMAP3430_EMU_MOD, 0x58, 0xe4 },
- { "GLBL", MOD_PRM, OMAP3430_GR_MOD, 0x20, 0xe4 },
- { "NEON", MOD_PRM, OMAP3430_NEON_MOD, 0x58, 0xe8 },
- { "USB", MOD_PRM, OMAP3430ES2_USBHOST_MOD, 0x58, 0xe8 },
- { "", 0, 0, 0, 0 },
-};
-
-#define PM_DBG_MAX_REG_SETS 4
-
-static void *pm_dbg_reg_set[PM_DBG_MAX_REG_SETS];
-
-static int pm_dbg_get_regset_size(void)
-{
- static int regset_size;
-
- if (regset_size == 0) {
- int i = 0;
-
- while (pm_dbg_reg_modules[i].name[0] != 0) {
- regset_size += pm_dbg_reg_modules[i].high +
- 4 - pm_dbg_reg_modules[i].low;
- i++;
- }
- }
- return regset_size;
-}
-
-static int pm_dbg_show_regs(struct seq_file *s, void *unused)
-{
- int i, j;
- unsigned long val;
- int reg_set = (int)s->private;
- u32 *ptr;
- void *store = NULL;
- int regs;
- int linefeed;
-
- if (reg_set == 0) {
- store = kmalloc(pm_dbg_get_regset_size(), GFP_KERNEL);
- ptr = store;
- pm_dbg_regset_store(ptr);
- } else {
- ptr = pm_dbg_reg_set[reg_set - 1];
- }
-
- i = 0;
-
- while (pm_dbg_reg_modules[i].name[0] != 0) {
- regs = 0;
- linefeed = 0;
- if (pm_dbg_reg_modules[i].type == MOD_CM)
- seq_printf(s, "MOD: CM_%s (%08x)\n",
- pm_dbg_reg_modules[i].name,
- (u32)(OMAP3430_CM_BASE +
- pm_dbg_reg_modules[i].offset));
- else
- seq_printf(s, "MOD: PRM_%s (%08x)\n",
- pm_dbg_reg_modules[i].name,
- (u32)(OMAP3430_PRM_BASE +
- pm_dbg_reg_modules[i].offset));
-
- for (j = pm_dbg_reg_modules[i].low;
- j <= pm_dbg_reg_modules[i].high; j += 4) {
- val = *(ptr++);
- if (val != 0) {
- regs++;
- if (linefeed) {
- seq_printf(s, "\n");
- linefeed = 0;
- }
- seq_printf(s, " %02x => %08lx", j, val);
- if (regs % 4 == 0)
- linefeed = 1;
- }
- }
- seq_printf(s, "\n");
- i++;
- }
-
- if (store != NULL)
- kfree(store);
-
- return 0;
-}
-
-static void pm_dbg_regset_store(u32 *ptr)
-{
- int i, j;
- u32 val;
-
- i = 0;
-
- while (pm_dbg_reg_modules[i].name[0] != 0) {
- for (j = pm_dbg_reg_modules[i].low;
- j <= pm_dbg_reg_modules[i].high; j += 4) {
- if (pm_dbg_reg_modules[i].type == MOD_CM)
- val = omap2_cm_read_mod_reg(
- pm_dbg_reg_modules[i].offset, j);
- else
- val = omap2_prm_read_mod_reg(
- pm_dbg_reg_modules[i].offset, j);
- *(ptr++) = val;
- }
- i++;
- }
-}
-
-int pm_dbg_regset_save(int reg_set)
-{
- if (pm_dbg_reg_set[reg_set-1] == NULL)
- return -EINVAL;
-
- pm_dbg_regset_store(pm_dbg_reg_set[reg_set-1]);
-
- return 0;
-}
-
static const char pwrdm_state_names[][PWRDM_MAX_PWRSTS] = {
"OFF",
"RET",
@@ -349,11 +191,6 @@ static int pm_dbg_open(struct inode *inode, struct file *file)
};
}
-static int pm_dbg_reg_open(struct inode *inode, struct file *file)
-{
- return single_open(file, pm_dbg_show_regs, inode->i_private);
-}
-
static const struct file_operations debug_fops = {
.open = pm_dbg_open,
.read = seq_read,
@@ -361,40 +198,6 @@ static const struct file_operations debug_fops = {
.release = single_release,
};
-static const struct file_operations debug_reg_fops = {
- .open = pm_dbg_reg_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-int pm_dbg_regset_init(int reg_set)
-{
- char name[2];
-
- if (!pm_dbg_init_done)
- pm_dbg_init();
-
- if (reg_set < 1 || reg_set > PM_DBG_MAX_REG_SETS ||
- pm_dbg_reg_set[reg_set-1] != NULL)
- return -EINVAL;
-
- pm_dbg_reg_set[reg_set-1] =
- kmalloc(pm_dbg_get_regset_size(), GFP_KERNEL);
-
- if (pm_dbg_reg_set[reg_set-1] == NULL)
- return -ENOMEM;
-
- if (pm_dbg_dir != NULL) {
- sprintf(name, "%d", reg_set);
-
- (void) debugfs_create_file(name, S_IRUGO,
- pm_dbg_dir, (void *)reg_set, &debug_reg_fops);
- }
-
- return 0;
-}
-
static int pwrdm_suspend_get(void *data, u64 *val)
{
int ret = -EINVAL;
@@ -477,20 +280,11 @@ DEFINE_SIMPLE_ATTRIBUTE(pm_dbg_option_fops, option_get, option_set, "%llu\n");
static int __init pm_dbg_init(void)
{
- int i;
struct dentry *d;
- char name[2];
if (pm_dbg_init_done)
return 0;
- if (cpu_is_omap34xx())
- pm_dbg_reg_modules = omap3_pm_reg_modules;
- else {
- printk(KERN_ERR "%s: only OMAP3 supported\n", __func__);
- return -ENODEV;
- }
-
d = debugfs_create_dir("pm_debug", NULL);
if (IS_ERR(d))
return PTR_ERR(d);
@@ -502,21 +296,6 @@ static int __init pm_dbg_init(void)
pwrdm_for_each(pwrdms_setup, (void *)d);
- pm_dbg_dir = debugfs_create_dir("registers", d);
- if (IS_ERR(pm_dbg_dir))
- return PTR_ERR(pm_dbg_dir);
-
- (void) debugfs_create_file("current", S_IRUGO,
- pm_dbg_dir, (void *)0, &debug_reg_fops);
-
- for (i = 0; i < PM_DBG_MAX_REG_SETS; i++)
- if (pm_dbg_reg_set[i] != NULL) {
- sprintf(name, "%d", i+1);
- (void) debugfs_create_file(name, S_IRUGO,
- pm_dbg_dir, (void *)(i+1), &debug_reg_fops);
-
- }
-
(void) debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUSR, d,
&enable_off_mode, &pm_dbg_option_fops);
(void) debugfs_create_file("wakeup_timer_seconds", S_IRUGO | S_IWUSR, d,
--
1.7.4
--
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