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author | David Riley <davidriley@chromium.org> | 2015-03-18 10:52:25 +0100 |
---|---|---|
committer | Thierry Reding <treding@nvidia.com> | 2015-05-04 14:21:45 +0200 |
commit | 7892158a96629c46c46dfae52eaf951f51222cf5 (patch) | |
tree | b8630cbec1b17f862c38c2905cdf4de441ee9803 | |
parent | 4d48edb3c3e1234d6b3fcdfb9ac24d7c6de449cb (diff) | |
download | op-kernel-dev-7892158a96629c46c46dfae52eaf951f51222cf5.zip op-kernel-dev-7892158a96629c46c46dfae52eaf951f51222cf5.tar.gz |
soc/tegra: pmc: move to using a restart handler
The pmc driver was previously exporting tegra_pmc_restart, which was
assigned to machine_desc.init_machine, taking precedence over the
restart handlers registered through register_restart_handler().
Signed-off-by: David Riley <davidriley@chromium.org>
[tomeu.vizoso@collabora.com: Rebased]
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
[treding@nvidia.com: minor cleanups]
Signed-off-by: Thierry Reding <treding@nvidia.com>
-rw-r--r-- | arch/arm/mach-tegra/tegra.c | 1 | ||||
-rw-r--r-- | drivers/soc/tegra/pmc.c | 23 | ||||
-rw-r--r-- | include/soc/tegra/pmc.h | 2 |
3 files changed, 17 insertions, 9 deletions
diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c index 861d884..2378fa56 100644 --- a/arch/arm/mach-tegra/tegra.c +++ b/arch/arm/mach-tegra/tegra.c @@ -163,6 +163,5 @@ DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)") .init_irq = tegra_dt_init_irq, .init_machine = tegra_dt_init, .init_late = tegra_dt_init_late, - .restart = tegra_pmc_restart, .dt_compat = tegra_dt_board_compat, MACHINE_END diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index c956395..cc119d1 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -377,13 +377,10 @@ int tegra_pmc_cpu_remove_clamping(int cpuid) } #endif /* CONFIG_SMP */ -/** - * tegra_pmc_restart() - reboot the system - * @mode: which mode to reboot in - * @cmd: reboot command - */ -void tegra_pmc_restart(enum reboot_mode mode, const char *cmd) +static int tegra_pmc_restart_notify(struct notifier_block *this, + unsigned long action, void *data) { + const char *cmd = data; u32 value; value = tegra_pmc_readl(PMC_SCRATCH0); @@ -405,8 +402,15 @@ void tegra_pmc_restart(enum reboot_mode mode, const char *cmd) value = tegra_pmc_readl(0); value |= 0x10; tegra_pmc_writel(value, 0); + + return NOTIFY_DONE; } +static struct notifier_block tegra_pmc_restart_handler = { + .notifier_call = tegra_pmc_restart_notify, + .priority = 128, +}; + static int powergate_show(struct seq_file *s, void *data) { unsigned int i; @@ -837,6 +841,13 @@ static int tegra_pmc_probe(struct platform_device *pdev) return err; } + err = register_restart_handler(&tegra_pmc_restart_handler); + if (err) { + dev_err(&pdev->dev, "unable to register restart handler, %d\n", + err); + return err; + } + return 0; } diff --git a/include/soc/tegra/pmc.h b/include/soc/tegra/pmc.h index 65a9327..f5c0de4 100644 --- a/include/soc/tegra/pmc.h +++ b/include/soc/tegra/pmc.h @@ -26,8 +26,6 @@ struct clk; struct reset_control; -void tegra_pmc_restart(enum reboot_mode mode, const char *cmd); - #ifdef CONFIG_PM_SLEEP enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void); void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode); |