diff options
Diffstat (limited to 'drivers/bus/ti-sysc.c')
| -rw-r--r-- | drivers/bus/ti-sysc.c | 171 |
1 files changed, 48 insertions, 123 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index e4fe954e63a9..a3a2d39280d9 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -701,69 +701,7 @@ awake: return error; } -#ifdef CONFIG_PM_SLEEP -static int sysc_suspend(struct device *dev) -{ - struct sysc *ddata; - int error; - - ddata = dev_get_drvdata(dev); - - if (ddata->cfg.quirks & (SYSC_QUIRK_RESOURCE_PROVIDER | - SYSC_QUIRK_LEGACY_IDLE)) - return 0; - - if (!ddata->enabled) - return 0; - - dev_dbg(ddata->dev, "%s %s\n", __func__, - ddata->name ? ddata->name : ""); - - error = pm_runtime_put_sync_suspend(dev); - if (error < 0) { - dev_warn(ddata->dev, "%s not idle %i %s\n", - __func__, error, - ddata->name ? ddata->name : ""); - - return 0; - } - - ddata->needs_resume = true; - - return 0; -} - -static int sysc_resume(struct device *dev) -{ - struct sysc *ddata; - int error; - - ddata = dev_get_drvdata(dev); - - if (ddata->cfg.quirks & (SYSC_QUIRK_RESOURCE_PROVIDER | - SYSC_QUIRK_LEGACY_IDLE)) - return 0; - - if (ddata->needs_resume) { - dev_dbg(ddata->dev, "%s %s\n", __func__, - ddata->name ? ddata->name : ""); - - error = pm_runtime_get_sync(dev); - if (error < 0) { - dev_err(ddata->dev, "%s error %i %s\n", - __func__, error, - ddata->name ? ddata->name : ""); - - return error; - } - - ddata->needs_resume = false; - } - - return 0; -} - -static int sysc_noirq_suspend(struct device *dev) +static int __maybe_unused sysc_noirq_suspend(struct device *dev) { struct sysc *ddata; @@ -772,21 +710,10 @@ static int sysc_noirq_suspend(struct device *dev) if (ddata->cfg.quirks & SYSC_QUIRK_LEGACY_IDLE) return 0; - if (!(ddata->cfg.quirks & SYSC_QUIRK_RESOURCE_PROVIDER)) - return 0; - - if (!ddata->enabled) - return 0; - - dev_dbg(ddata->dev, "%s %s\n", __func__, - ddata->name ? ddata->name : ""); - - ddata->needs_resume = true; - - return sysc_runtime_suspend(dev); + return pm_runtime_force_suspend(dev); } -static int sysc_noirq_resume(struct device *dev) +static int __maybe_unused sysc_noirq_resume(struct device *dev) { struct sysc *ddata; @@ -795,24 +722,10 @@ static int sysc_noirq_resume(struct device *dev) if (ddata->cfg.quirks & SYSC_QUIRK_LEGACY_IDLE) return 0; - if (!(ddata->cfg.quirks & SYSC_QUIRK_RESOURCE_PROVIDER)) - return 0; - - if (ddata->needs_resume) { - dev_dbg(ddata->dev, "%s %s\n", __func__, - ddata->name ? ddata->name : ""); - - ddata->needs_resume = false; - - return sysc_runtime_resume(dev); - } - - return 0; + return pm_runtime_force_resume(dev); } -#endif static const struct dev_pm_ops sysc_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(sysc_suspend, sysc_resume) SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(sysc_noirq_suspend, sysc_noirq_resume) SET_RUNTIME_PM_OPS(sysc_runtime_suspend, sysc_runtime_resume, @@ -845,28 +758,8 @@ struct sysc_revision_quirk { } static const struct sysc_revision_quirk sysc_revision_quirks[] = { - /* These need to use noirq_suspend */ - SYSC_QUIRK("control", 0, 0, 0x10, -1, 0x40000900, 0xffffffff, - SYSC_QUIRK_RESOURCE_PROVIDER), - SYSC_QUIRK("i2c", 0, 0, 0x10, 0x90, 0x5040000a, 0xffffffff, - SYSC_QUIRK_RESOURCE_PROVIDER), - SYSC_QUIRK("mcspi", 0, 0, 0x10, -1, 0x40300a0b, 0xffffffff, - SYSC_QUIRK_RESOURCE_PROVIDER), - SYSC_QUIRK("prcm", 0, 0, -1, -1, 0x40000100, 0xffffffff, - SYSC_QUIRK_RESOURCE_PROVIDER), - SYSC_QUIRK("ocp2scp", 0, 0, 0x10, 0x14, 0x50060005, 0xffffffff, - SYSC_QUIRK_RESOURCE_PROVIDER), - SYSC_QUIRK("padconf", 0, 0, 0x10, -1, 0x4fff0800, 0xffffffff, - SYSC_QUIRK_RESOURCE_PROVIDER), - SYSC_QUIRK("scm", 0, 0, 0x10, -1, 0x40000900, 0xffffffff, - SYSC_QUIRK_RESOURCE_PROVIDER), - SYSC_QUIRK("scrm", 0, 0, -1, -1, 0x00000010, 0xffffffff, - SYSC_QUIRK_RESOURCE_PROVIDER), - SYSC_QUIRK("sdma", 0, 0, 0x2c, 0x28, 0x00010900, 0xffffffff, - SYSC_QUIRK_RESOURCE_PROVIDER), - /* These drivers need to be fixed to not use pm_runtime_irq_safe() */ - SYSC_QUIRK("gpio", 0, 0, 0x10, 0x114, 0x50600801, 0xffffffff, + SYSC_QUIRK("gpio", 0, 0, 0x10, 0x114, 0x50600801, 0xffff00ff, SYSC_QUIRK_LEGACY_IDLE | SYSC_QUIRK_OPT_CLKS_IN_RESET), SYSC_QUIRK("mmu", 0, 0, 0x10, 0x14, 0x00000020, 0xffffffff, SYSC_QUIRK_LEGACY_IDLE), @@ -881,38 +774,70 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { SYSC_QUIRK("timer", 0, 0, 0x10, 0x14, 0x00000015, 0xffffffff, SYSC_QUIRK_LEGACY_IDLE), /* Some timers on omap4 and later */ - SYSC_QUIRK("timer", 0, 0, 0x10, -1, 0x4fff1301, 0xffffffff, + SYSC_QUIRK("timer", 0, 0, 0x10, -1, 0x50002100, 0xffffffff, + SYSC_QUIRK_LEGACY_IDLE), + SYSC_QUIRK("timer", 0, 0, 0x10, -1, 0x4fff1301, 0xffff00ff, SYSC_QUIRK_LEGACY_IDLE), SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x00000052, 0xffffffff, SYSC_QUIRK_LEGACY_IDLE), /* Uarts on omap4 and later */ - SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x50411e03, 0xffffffff, + SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x50411e03, 0xffff00ff, SYSC_QUIRK_LEGACY_IDLE), - - /* These devices don't yet suspend properly without legacy setting */ - SYSC_QUIRK("sdio", 0, 0, 0x10, -1, 0x40202301, 0xffffffff, - SYSC_QUIRK_LEGACY_IDLE), - SYSC_QUIRK("wdt", 0, 0, 0x10, 0x14, 0x502a0500, 0xffffffff, - SYSC_QUIRK_LEGACY_IDLE), - SYSC_QUIRK("wdt", 0, 0, 0x10, 0x14, 0x502a0d00, 0xffffffff, + SYSC_QUIRK("uart", 0, 0x50, 0x54, 0x58, 0x47422e03, 0xffffffff, SYSC_QUIRK_LEGACY_IDLE), #ifdef DEBUG + SYSC_QUIRK("adc", 0, 0, 0x10, -1, 0x47300001, 0xffffffff, 0), + SYSC_QUIRK("atl", 0, 0, -1, -1, 0x0a070100, 0xffffffff, 0), SYSC_QUIRK("aess", 0, 0, 0x10, -1, 0x40000000, 0xffffffff, 0), + SYSC_QUIRK("cm", 0, 0, -1, -1, 0x40000301, 0xffffffff, 0), + SYSC_QUIRK("control", 0, 0, 0x10, -1, 0x40000900, 0xffffffff, 0), + SYSC_QUIRK("cpgmac", 0, 0x1200, 0x1208, 0x1204, 0x4edb1902, + 0xffff00f0, 0), + SYSC_QUIRK("dcan", 0, 0, -1, -1, 0xffffffff, 0xffffffff, 0), + SYSC_QUIRK("dcan", 0, 0, -1, -1, 0x00001401, 0xffffffff, 0), + SYSC_QUIRK("dwc3", 0, 0, 0x10, -1, 0x500a0200, 0xffffffff, 0), + SYSC_QUIRK("epwmss", 0, 0, 0x4, -1, 0x47400001, 0xffffffff, 0), SYSC_QUIRK("gpu", 0, 0x1fc00, 0x1fc10, -1, 0, 0, 0), SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x00000006, 0xffffffff, 0), + SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x0000000a, 0xffffffff, 0), SYSC_QUIRK("hsi", 0, 0, 0x10, 0x14, 0x50043101, 0xffffffff, 0), SYSC_QUIRK("iss", 0, 0, 0x10, -1, 0x40000101, 0xffffffff, 0), + SYSC_QUIRK("i2c", 0, 0, 0x10, 0x90, 0x5040000a, 0xfffff0f0, 0), + SYSC_QUIRK("lcdc", 0, 0, 0x54, -1, 0x4f201000, 0xffffffff, 0), SYSC_QUIRK("mcasp", 0, 0, 0x4, -1, 0x44306302, 0xffffffff, 0), + SYSC_QUIRK("mcasp", 0, 0, 0x4, -1, 0x44307b02, 0xffffffff, 0), SYSC_QUIRK("mcbsp", 0, -1, 0x8c, -1, 0, 0, 0), + SYSC_QUIRK("mcspi", 0, 0, 0x10, -1, 0x40300a0b, 0xffff00ff, 0), + SYSC_QUIRK("mcspi", 0, 0, 0x110, 0x114, 0x40300a0b, 0xffffffff, 0), SYSC_QUIRK("mailbox", 0, 0, 0x10, -1, 0x00000400, 0xffffffff, 0), + SYSC_QUIRK("m3", 0, 0, -1, -1, 0x5f580105, 0x0fff0f00, 0), + SYSC_QUIRK("ocp2scp", 0, 0, 0x10, 0x14, 0x50060005, 0xfffffff0, 0), + SYSC_QUIRK("ocp2scp", 0, 0, -1, -1, 0x50060007, 0xffffffff, 0), + SYSC_QUIRK("padconf", 0, 0, 0x10, -1, 0x4fff0800, 0xffffffff, 0), + SYSC_QUIRK("prcm", 0, 0, -1, -1, 0x40000100, 0xffffffff, 0), + SYSC_QUIRK("prcm", 0, 0, -1, -1, 0x00004102, 0xffffffff, 0), + SYSC_QUIRK("prcm", 0, 0, -1, -1, 0x40000400, 0xffffffff, 0), + SYSC_QUIRK("scm", 0, 0, 0x10, -1, 0x40000900, 0xffffffff, 0), + SYSC_QUIRK("scm", 0, 0, -1, -1, 0x4e8b0100, 0xffffffff, 0), + SYSC_QUIRK("scm", 0, 0, -1, -1, 0x4f000100, 0xffffffff, 0), + SYSC_QUIRK("scm", 0, 0, -1, -1, 0x40000900, 0xffffffff, 0), + SYSC_QUIRK("scrm", 0, 0, -1, -1, 0x00000010, 0xffffffff, 0), + SYSC_QUIRK("sdio", 0, 0, 0x10, -1, 0x40202301, 0xffff0ff0, 0), + SYSC_QUIRK("sdio", 0, 0x2fc, 0x110, 0x114, 0x31010000, 0xffffffff, 0), + SYSC_QUIRK("sdma", 0, 0, 0x2c, 0x28, 0x00010900, 0xffffffff, 0), SYSC_QUIRK("slimbus", 0, 0, 0x10, -1, 0x40000902, 0xffffffff, 0), SYSC_QUIRK("slimbus", 0, 0, 0x10, -1, 0x40002903, 0xffffffff, 0), SYSC_QUIRK("spinlock", 0, 0, 0x10, -1, 0x50020000, 0xffffffff, 0), + SYSC_QUIRK("rng", 0, 0x1fe0, 0x1fe4, -1, 0x00000020, 0xffffffff, 0), + SYSC_QUIRK("rtc", 0, 0x74, 0x78, -1, 0x4eb01908, 0xffff00f0, 0), + SYSC_QUIRK("timer32k", 0, 0, 0x4, -1, 0x00000060, 0xffffffff, 0), SYSC_QUIRK("usbhstll", 0, 0, 0x10, 0x14, 0x00000004, 0xffffffff, 0), SYSC_QUIRK("usb_host_hs", 0, 0, 0x10, 0x14, 0x50700100, 0xffffffff, 0), SYSC_QUIRK("usb_otg_hs", 0, 0x400, 0x404, 0x408, 0x00000050, 0xffffffff, 0), + SYSC_QUIRK("wdt", 0, 0, 0x10, 0x14, 0x502a0500, 0xfffff0f0, 0), + SYSC_QUIRK("vfpe", 0, 0, 0x104, -1, 0x4d001200, 0xffffffff, 0), #endif }; @@ -1221,8 +1146,8 @@ static int sysc_child_suspend_noirq(struct device *dev) if (!pm_runtime_status_suspended(dev)) { error = pm_generic_runtime_suspend(dev); if (error) { - dev_warn(dev, "%s busy at %i: %i\n", - __func__, __LINE__, error); + dev_dbg(dev, "%s busy at %i: %i\n", + __func__, __LINE__, error); return 0; } |