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| author |   Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-07-31 14:49:25 +0900 |
|---|---|---|
| committer |   Arnd Bergmann <arnd@arndb.de> | 2017-08-04 12:57:18 +0200 |
| commit | 2f4233ee13fb89b70e56b2df7789e2a3d131c85e (patch) | |
| tree | 41baa9f27b8f9546e115c9faa9c46fbda8708c32 /drivers/bus | |
| parent | Merge tag 'renesas-fixes3-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes (diff) | |
| download | linux-dev-2f4233ee13fb89b70e56b2df7789e2a3d131c85e.tar.xz linux-dev-2f4233ee13fb89b70e56b2df7789e2a3d131c85e.zip | |
bus: uniphier-system-bus: set up registers when resuming
When resuming, set up registers that have been lost in the sleep state.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/uniphier-system-bus.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/bus/uniphier-system-bus.c b/drivers/bus/uniphier-system-bus.c index 1e6e0269edcc..f76be6bd6eb3 100644 --- a/drivers/bus/uniphier-system-bus.c +++ b/drivers/bus/uniphier-system-bus.c @@ -256,10 +256,23 @@ static int uniphier_system_bus_probe(struct platform_device *pdev) uniphier_system_bus_set_reg(priv); + platform_set_drvdata(pdev, priv); + /* Now, the bus is configured. Populate platform_devices below it */ return of_platform_default_populate(dev->of_node, NULL, dev); } +static int __maybe_unused uniphier_system_bus_resume(struct device *dev) +{ + uniphier_system_bus_set_reg(dev_get_drvdata(dev)); + + return 0; +} + +static const struct dev_pm_ops uniphier_system_bus_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(NULL, uniphier_system_bus_resume) +}; + static const struct of_device_id uniphier_system_bus_match[] = { { .compatible = "socionext,uniphier-system-bus" }, { /* sentinel */ } @@ -271,6 +284,7 @@ static struct platform_driver uniphier_system_bus_driver = { .driver = { .name = "uniphier-system-bus", .of_match_table = uniphier_system_bus_match, + .pm = &uniphier_system_bus_pm_ops, }, }; module_platform_driver(uniphier_system_bus_driver); |