diff options
Diffstat (limited to 'drivers/bus/ti-sysc.c')
| -rw-r--r-- | drivers/bus/ti-sysc.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index f4d1597df0a2..f702c85c81b6 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -343,6 +343,12 @@ static int sysc_get_clocks(struct sysc *ddata) return -EINVAL; } + /* Always add a slot for main clocks fck and ick even if unused */ + if (!nr_fck) + ddata->nr_clocks++; + if (!nr_ick) + ddata->nr_clocks++; + ddata->clocks = devm_kcalloc(ddata->dev, ddata->nr_clocks, sizeof(*ddata->clocks), GFP_KERNEL); @@ -421,7 +427,7 @@ static int sysc_enable_opt_clocks(struct sysc *ddata) struct clk *clock; int i, error; - if (!ddata->clocks) + if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) return 0; for (i = SYSC_OPTFCK0; i < SYSC_MAX_CLOCKS; i++) { @@ -455,7 +461,7 @@ static void sysc_disable_opt_clocks(struct sysc *ddata) struct clk *clock; int i; - if (!ddata->clocks) + if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) return; for (i = SYSC_OPTFCK0; i < SYSC_MAX_CLOCKS; i++) { @@ -473,7 +479,7 @@ static void sysc_clkdm_deny_idle(struct sysc *ddata) { struct ti_sysc_platform_data *pdata; - if (ddata->legacy_mode) + if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) return; pdata = dev_get_platdata(ddata->dev); @@ -485,7 +491,7 @@ static void sysc_clkdm_allow_idle(struct sysc *ddata) { struct ti_sysc_platform_data *pdata; - if (ddata->legacy_mode) + if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) return; pdata = dev_get_platdata(ddata->dev); @@ -503,10 +509,8 @@ static int sysc_init_resets(struct sysc *ddata) { ddata->rsts = devm_reset_control_get_optional_shared(ddata->dev, "rstctrl"); - if (IS_ERR(ddata->rsts)) - return PTR_ERR(ddata->rsts); - return 0; + return PTR_ERR_OR_ZERO(ddata->rsts); } /** @@ -1210,10 +1214,6 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { /* These drivers need to be fixed to not use pm_runtime_irq_safe() */ 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), - SYSC_QUIRK("mmu", 0, 0, 0x10, 0x14, 0x00000030, 0xffffffff, - SYSC_QUIRK_LEGACY_IDLE), SYSC_QUIRK("sham", 0, 0x100, 0x110, 0x114, 0x40000c03, 0xffffffff, SYSC_QUIRK_LEGACY_IDLE), SYSC_QUIRK("smartreflex", 0, -1, 0x24, -1, 0x00000000, 0xffffffff, @@ -1245,6 +1245,12 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { /* Quirks that need to be set based on detected module */ SYSC_QUIRK("aess", 0, 0, 0x10, -1, 0x40000000, 0xffffffff, SYSC_MODULE_QUIRK_AESS), + SYSC_QUIRK("dcan", 0x48480000, 0x20, -1, -1, 0xa3170504, 0xffffffff, + SYSC_QUIRK_CLKDM_NOAUTO), + SYSC_QUIRK("dwc3", 0x48880000, 0, 0x10, -1, 0x500a0200, 0xffffffff, + SYSC_QUIRK_CLKDM_NOAUTO), + SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -1, 0x500a0200, 0xffffffff, + SYSC_QUIRK_CLKDM_NOAUTO), SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x00000006, 0xffffffff, SYSC_MODULE_QUIRK_HDQ1W), SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x0000000a, 0xffffffff, |