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author | Linus Torvalds | 2015-06-26 03:42:39 +0200 |
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committer | Linus Torvalds | 2015-06-26 03:42:39 +0200 |
commit | 24867481b8c0a3bc3ab53b634e3cc03680ac3ac6 (patch) | |
tree | 87a0f018c5e0fb61275b5a48977108ad1a33aa8b /drivers/i2c/busses/i2c-designware-platdrv.c | |
parent | Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working... (diff) | |
parent | i2c: busses: i2c-bcm2835: limits cdiv to allowed values (diff) | |
download | kernel-qcow2-linux-24867481b8c0a3bc3ab53b634e3cc03680ac3ac6.tar.gz kernel-qcow2-linux-24867481b8c0a3bc3ab53b634e3cc03680ac3ac6.tar.xz kernel-qcow2-linux-24867481b8c0a3bc3ab53b634e3cc03680ac3ac6.zip |
Merge branch 'i2c/for-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"Highlights:
- new drivers for Mediatek I2C, APM X-Gene, Broadcom Settop
- major updates to at91, davinci
- bugfixes to the mux infrastructure when dealing with the new quirk
mechanism
- more users for the bus recovery feature
- further improvements to the slave framework
Plus the usual bunch of smaller driver and core improvements and
fixes.
There is one patch removing old code from an ARM platform. This has
been acked by the sh_mobile maintainer Simon Horman"
* 'i2c/for-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (48 commits)
i2c: busses: i2c-bcm2835: limits cdiv to allowed values
i2c: sh_mobile: use proper type for timeout
i2c: sh_mobile: use adapter default for timeout
i2c: rcar: use proper type for timeout
i2c: rcar: use adapter default for timeout
i2c: designware: Make sure the device is suspended before disabling runtime PM
i2c: tegra: apply size limit quirk
i2c: tegra: don't advertise SMBUS_QUICK
i2c: octeon: remove unused signal handling
i2c: davinci: Optimize SCL generation
i2c: mux: pca954x: Use __i2c_transfer because of quirks
i2c: mux: Use __i2c_transfer() instead of calling parent's master_xfer()
i2c: use parent adapter quirks in mux
i2c: bcm2835: clear reserved bits in S-Register
ARM: shmobile: r8a7740: remove I2C errata handling
i2c: sh_mobile: add errata workaround
i2c: at91: fix code checker warnings
i2c: busses: xgene-slimpro: fix incorrect __init declation for probe
i2c: davinci: Avoid sending to own address
i2c: davinci: Refactor i2c_davinci_wait_bus_not_busy()
...
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-platdrv.c')
-rw-r--r-- | drivers/i2c/busses/i2c-designware-platdrv.c | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 0a80e4aabaed..3dd2de31a2f8 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -281,7 +281,8 @@ static int dw_i2c_remove(struct platform_device *pdev) i2c_dw_disable(dev); - pm_runtime_put(&pdev->dev); + pm_runtime_dont_use_autosuspend(&pdev->dev); + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); if (has_acpi_companion(&pdev->dev)) @@ -298,6 +299,22 @@ static const struct of_device_id dw_i2c_of_match[] = { MODULE_DEVICE_TABLE(of, dw_i2c_of_match); #endif +#ifdef CONFIG_PM_SLEEP +static int dw_i2c_prepare(struct device *dev) +{ + return pm_runtime_suspended(dev); +} + +static void dw_i2c_complete(struct device *dev) +{ + if (dev->power.direct_complete) + pm_request_resume(dev); +} +#else +#define dw_i2c_prepare NULL +#define dw_i2c_complete NULL +#endif + #ifdef CONFIG_PM static int dw_i2c_suspend(struct device *dev) { @@ -322,10 +339,18 @@ static int dw_i2c_resume(struct device *dev) return 0; } -#endif -static UNIVERSAL_DEV_PM_OPS(dw_i2c_dev_pm_ops, dw_i2c_suspend, - dw_i2c_resume, NULL); +static const struct dev_pm_ops dw_i2c_dev_pm_ops = { + .prepare = dw_i2c_prepare, + .complete = dw_i2c_complete, + SET_SYSTEM_SLEEP_PM_OPS(dw_i2c_suspend, dw_i2c_resume) + SET_RUNTIME_PM_OPS(dw_i2c_suspend, dw_i2c_resume, NULL) +}; + +#define DW_I2C_DEV_PMOPS (&dw_i2c_dev_pm_ops) +#else +#define DW_I2C_DEV_PMOPS NULL +#endif /* work with hotplug and coldplug */ MODULE_ALIAS("platform:i2c_designware"); @@ -337,7 +362,7 @@ static struct platform_driver dw_i2c_driver = { .name = "i2c_designware", .of_match_table = of_match_ptr(dw_i2c_of_match), .acpi_match_table = ACPI_PTR(dw_i2c_acpi_match), - .pm = &dw_i2c_dev_pm_ops, + .pm = DW_I2C_DEV_PMOPS, }, }; |