ARM: tegra: fixes for 3.7

This branch contains a number of minor bug-fixes for Tegra.
 
 This branch is based ono v3.6-rc4.
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Merge tag 'tegra-for-3.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/fixes-non-critical

* tag 'tegra-for-3.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: enable SUSPEND/ARCH_SUSPEND_POSSIBLE for ARCH_TEGRA
  ARM: tegra: fix debugfs entry for Tegra30
  ARM: tegra: fix return value for debugfs init
This commit is contained in:
Olof Johansson 2012-09-16 18:13:46 -07:00
commit a95aa84f5e
2 changed files with 37 additions and 8 deletions

View file

@ -2313,7 +2313,7 @@ menu "Power management options"
source "kernel/power/Kconfig"
config ARCH_SUSPEND_POSSIBLE
depends on !ARCH_S5PC100 && !ARCH_TEGRA
depends on !ARCH_S5PC100
depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE || CPU_MOHAWK
def_bool y

View file

@ -199,7 +199,9 @@ int __init tegra_powergate_init(void)
#ifdef CONFIG_DEBUG_FS
static const char * const powergate_name[] = {
static const char * const *powergate_name;
static const char * const powergate_name_t20[] = {
[TEGRA_POWERGATE_CPU] = "cpu",
[TEGRA_POWERGATE_3D] = "3d",
[TEGRA_POWERGATE_VENC] = "venc",
@ -209,6 +211,23 @@ static const char * const powergate_name[] = {
[TEGRA_POWERGATE_MPE] = "mpe",
};
static const char * const powergate_name_t30[] = {
[TEGRA_POWERGATE_CPU] = "cpu0",
[TEGRA_POWERGATE_3D] = "3d0",
[TEGRA_POWERGATE_VENC] = "venc",
[TEGRA_POWERGATE_VDEC] = "vdec",
[TEGRA_POWERGATE_PCIE] = "pcie",
[TEGRA_POWERGATE_L2] = "l2",
[TEGRA_POWERGATE_MPE] = "mpe",
[TEGRA_POWERGATE_HEG] = "heg",
[TEGRA_POWERGATE_SATA] = "sata",
[TEGRA_POWERGATE_CPU1] = "cpu1",
[TEGRA_POWERGATE_CPU2] = "cpu2",
[TEGRA_POWERGATE_CPU3] = "cpu3",
[TEGRA_POWERGATE_CELP] = "celp",
[TEGRA_POWERGATE_3D1] = "3d1",
};
static int powergate_show(struct seq_file *s, void *data)
{
int i;
@ -237,14 +256,24 @@ static const struct file_operations powergate_fops = {
int __init tegra_powergate_debugfs_init(void)
{
struct dentry *d;
int err = -ENOMEM;
d = debugfs_create_file("powergate", S_IRUGO, NULL, NULL,
&powergate_fops);
if (!d)
return -ENOMEM;
switch (tegra_chip_id) {
case TEGRA20:
powergate_name = powergate_name_t20;
break;
case TEGRA30:
powergate_name = powergate_name_t30;
break;
}
return err;
if (powergate_name) {
d = debugfs_create_file("powergate", S_IRUGO, NULL, NULL,
&powergate_fops);
if (!d)
return -ENOMEM;
}
return 0;
}
#endif