diff options
Diffstat (limited to 'drivers/bus/ti-sysc.c')
| -rw-r--r-- | drivers/bus/ti-sysc.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 54c0ee6dda30..9a7d12332fad 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -3049,7 +3049,7 @@ static const struct soc_device_attribute sysc_soc_match[] = { SOC_FLAG("AM43*", SOC_AM4), SOC_FLAG("DRA7*", SOC_DRA7), - { /* sentinel */ }, + { /* sentinel */ } }; /* @@ -3070,7 +3070,7 @@ static const struct soc_device_attribute sysc_soc_feat_match[] = { SOC_FLAG("OMAP3615/AM3715", DIS_IVA), SOC_FLAG("OMAP3621", DIS_ISP), - { /* sentinel */ }, + { /* sentinel */ } }; static int sysc_add_disabled(unsigned long base) @@ -3232,13 +3232,27 @@ static int sysc_check_disabled_devices(struct sysc *ddata) */ static int sysc_check_active_timer(struct sysc *ddata) { + int error; + if (ddata->cap->type != TI_SYSC_OMAP2_TIMER && ddata->cap->type != TI_SYSC_OMAP4_TIMER) return 0; + /* + * Quirk for omap3 beagleboard revision A to B4 to use gpt12. + * Revision C and later are fixed with commit 23885389dbbb ("ARM: + * dts: Fix timer regression for beagleboard revision c"). This all + * can be dropped if we stop supporting old beagleboard revisions + * A to B4 at some point. + */ + if (sysc_soc->soc == SOC_3430) + error = -ENXIO; + else + error = -EBUSY; + if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) && (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)) - return -ENXIO; + return error; return 0; } @@ -3381,7 +3395,9 @@ static int sysc_remove(struct platform_device *pdev) struct sysc *ddata = platform_get_drvdata(pdev); int error; - cancel_delayed_work_sync(&ddata->idle_work); + /* Device can still be enabled, see deferred idle quirk in probe */ + if (cancel_delayed_work_sync(&ddata->idle_work)) + ti_sysc_idle(&ddata->idle_work.work); error = pm_runtime_resume_and_get(ddata->dev); if (error < 0) { |