Message ID | 20220726062842.18846-1-axe.yang@mediatek.com (mailing list archive) |
---|---|
Headers | show |
Series | mmc: mediatek: add support for SDIO async IRQ | expand |
On Tue, 26 Jul 2022 at 08:28, Axe Yang <axe.yang@mediatek.com> wrote: > > Changes in v14: > - add sdio_irq_claimed() judgement condition around msdc irq and pinctrl > control in suspend|resume callback Version 14, applied for next, thanks! FYI; Since we are relying on an updated behaviour in the pm_runtime_force_suspend|resume() helpers, which are queued as a patch via Rafael's tree, I am going to withhold my pull-request for a few days longer than usual, until Linus has picked up Rafael's pull-request, for v5.20-rc1. Kind regards Uffe > > Changes in v13: > - remove state_dat1 related description in mtk-sd.yaml > - move device_init_wakeup() to probe stage > - remove redundancy SDC_CFG_SDIOIDE bit control in msdc_runtime_suspend() > - replace SDC_CFG_SDIOIDE control with __msdc_enable_sdio_irq() function to > disable sdio irq when sdio_irq_claimed() return true in msdc_runtime_resume() > - restore to use pm_runtime_force_resume|suspend(), to avoid go out directly > in force resume, bump up runtime PM usage counter before force suspend. > > Changes in v12: > - assign NULL to pins_eint directly instead of using kfree() > > Changes in v11: > - remove '_irq' suffix in interrupts-names property > - fix yaml example build error > - refactor msdc_enable_sdio_irq(), free pins_eint if async irq is not supported > > Changes in v10: > - add sample node for SDIO host which support wakeup interrupt in yaml > - skip MMC_PM_WAKE_SDIO_IRQ check before enable SDIO async interrupt > - add MMC_PM_KEEP_POWER check before SDIO eint pinstate parsing > - use dev_pm_set_dedicated_wake_irq_reverse() to correct irq control sequence > - set dedicated irq in msdc_enable_sdio_irq() rather than msdc_drv_probe() > - remove unnecessary wake irq control, rpm/dpm system shall manage that > - move wake irq/msdc irq control back to system suspend phase, use rpm_suspend > and rpm_resume to ensure irq control sequence: > disable msdc irq -> enable wake irq -> disable wake irq -> enable msdc irq > - simplify variables, check pins_eint to know whether wakeup settings are managed > > Changes in v9: > - remove pinctrl "state_dat1" > > Changes in v8: > - remove maxItems property under pinctrl-names property > > Changes in v7: > - add device_init_wakeup() to register SDIO host as wakeup source > > Changes in v6: > - abandon cap-sdio-async-irq flag, use wakeup-source flag instead > - extend interrupts and pinctrls in mediatek mmc host controller DT documents > - add mmc_card_enable_async_irq() to access enable_async_irq flag > - simplify wakeup irq implementation with dedicate wake up irq related interface > > Changes in v5: > - resort variables to reversed xmas tree order > - restore old copyright year range and add current year back > > Changes in v4: > - add MMC_CAP2_SDIO_ASYNC_IRQ judge before lookup eint pinctrl > - replace spin_lock_irqsave() variant with spin_lock() in eint irq handler > > Changes in v3: > - correct abbreviations with capital letters in commit message > - replace copyright year with 2022 in mtk-sd.c > - remove unnessary pointer casting > - adjust variable order to reversed xmas tree > - remove a redundant blank line > - refine if statement, following standard pattern > > Changes in v2: > - change flag name from 'cap-sdio-async-int' to 'cap-sdio-async-irq' > - change corresponding macro names from xxx_INT to xxx_IRQ > - resort new member in msdc_host structure > - refine function msdc_request_dat1_eint_irq() > - rename msdc_{suspend,resume} function names, add suffix '_noirq' > - add MMC_CAP2_NO_SDIO judgement before parse eint related pin setting > > Axe Yang (3): > dt-bindings: mmc: mtk-sd: extend interrupts and pinctrls properties > mmc: core: Add support for SDIO wakeup interrupt > mmc: mediatek: add support for SDIO eint wakup IRQ > > .../devicetree/bindings/mmc/mtk-sd.yaml | 50 ++++++++++- > drivers/mmc/core/sdio.c | 14 +++ > drivers/mmc/host/mtk-sd.c | 86 +++++++++++++++++-- > include/linux/mmc/card.h | 8 +- > include/linux/mmc/sdio.h | 5 ++ > 5 files changed, 155 insertions(+), 8 deletions(-) > > -- > 2.25.1 > >