diff options
| author | Tomasz Figa <t.figa@samsung.com> | 2013-05-17 16:24:29 (GMT) |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-06-11 08:10:12 (GMT) |
| commit | cd3fc1b9a34e535a8acbead7461475fbc43bdd49 (patch) | |
| tree | 1b59b008d6fdb1b6ed5327b94fad7d207f2a5f9e | |
| parent | 7e5955db458b2d349a8180242afebc78a13ed023 (diff) | |
| download | linux-cd3fc1b9a34e535a8acbead7461475fbc43bdd49.tar.xz | |
ARM: SAMSUNG: pm: Adjust for pinctrl- and DT-enabled platforms
This patch makes legacy code on suspend/resume path being executed
conditionally, on non-DT platforms only, to fix suspend/resume of
DT-enabled systems, for which the code is inappropriate.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[olof: add #include <linux/of.h>]
Signed-off-by: Olof Johansson <olof@lixom.net>
| -rw-r--r-- | arch/arm/plat-samsung/pm.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c index 53210ec..bd7124c 100644 --- a/arch/arm/plat-samsung/pm.c +++ b/arch/arm/plat-samsung/pm.c @@ -16,6 +16,7 @@ #include <linux/suspend.h> #include <linux/errno.h> #include <linux/delay.h> +#include <linux/of.h> #include <linux/serial_core.h> #include <linux/io.h> @@ -261,7 +262,8 @@ static int s3c_pm_enter(suspend_state_t state) * require a full power-cycle) */ - if (!any_allowed(s3c_irqwake_intmask, s3c_irqwake_intallow) && + if (!of_have_populated_dt() && + !any_allowed(s3c_irqwake_intmask, s3c_irqwake_intallow) && !any_allowed(s3c_irqwake_eintmask, s3c_irqwake_eintallow)) { printk(KERN_ERR "%s: No wake-up sources!\n", __func__); printk(KERN_ERR "%s: Aborting sleep\n", __func__); @@ -270,8 +272,11 @@ static int s3c_pm_enter(suspend_state_t state) /* save all necessary core registers not covered by the drivers */ - samsung_pm_save_gpios(); - samsung_pm_saved_gpios(); + if (!of_have_populated_dt()) { + samsung_pm_save_gpios(); + samsung_pm_saved_gpios(); + } + s3c_pm_save_uarts(); s3c_pm_save_core(); @@ -310,8 +315,11 @@ static int s3c_pm_enter(suspend_state_t state) s3c_pm_restore_core(); s3c_pm_restore_uarts(); - samsung_pm_restore_gpios(); - s3c_pm_restored_gpios(); + + if (!of_have_populated_dt()) { + samsung_pm_restore_gpios(); + s3c_pm_restored_gpios(); + } s3c_pm_debug_init(); |