[Letux-kernel] [PATCH v3 00/12] OpenPandora: make wl1251 connected to mmc3 sdio port of OpenPandora work again

Ulf Hansson ulf.hansson at linaro.org
Thu Nov 14 15:18:29 CET 2019


On Thu, 7 Nov 2019 at 11:31, H. Nikolaus Schaller <hns at goldelico.com> wrote:
>
>
> * add a revisit note for special wl1251 handling code because it should
>   be solved more generic in mmc core - suggested by Ulf Hansson <ulf.hansson at linaro.org>
> * remove init_card callback from platform_data/hsmmc-omap.h - suggested by Ulf Hansson <ulf.hansson at linaro.org>
> * remove obstructive always-on for vwlan regulator - suggested by Ulf Hansson <ulf.hansson at linaro.org>
> * rename DT node - suggested by Rob Herring <robh at kernel.org>
> * fix ARM: dts: subject prefix - suggested by Tony Lindgren <tony at atomide.com>
> * also remove omap2_hsmmc_info and obc-y line in Makefile - suggested by Tony Lindgren <tony at atomide.com>

No further comments from my side. Let's just agree on how to deal with
the ti,power-gpio, then I can apply this.

Thanks a lot for fixing all this mess!

Kind regards
Uffe

>
> PATCH V2 2019-10-19 20:41:47:
> * added acked-by for wl1251 patches - Kalle Valo <kvalo at codeaurora.org>
> * really removed old pdata-quirks code (not through #if 0)
> * splited out a partial revert of
>         efdfeb079cc3b ("regulator: fixed: Convert to use GPIO descriptor only")
>   because that was introduced after v4.19 and stops the removal of
>   the pdata-quirks patch from cleanly applying to v4.9, v4.14, v4.19
>   - reported by Sasha Levin <sashal at kernel.org>
> * added a new patch to remove old omap hsmmc since pdata quirks
>   were last user - suggested by Tony Lindgren <tony at atomide.com>
>
> PATCH V1 2019-10-18 22:25:39:
> Here we have a set of scattered patches to make the OpenPandora WiFi work again.
>
> v4.7 did break the pdata-quirks which made the mmc3 interface
> fail completely, because some code now assumes device tree
> based instantiation.
>
> Fixes: 81eef6ca9201 ("mmc: omap_hsmmc: Use dma_request_chan() for requesting DMA channel")
>
> v4.11 did break the sdio qirks for wl1251 which made the driver no longer
> load, although the device was found as an sdio client.
>
> Fixes: 884f38607897 ("mmc: core: move some sdio IDs out of quirks file")
>
> To solve these issues:
> * we convert mmc3 and wl1251 initialization from pdata-quirks
>   to device tree
> * we make the wl1251 driver read properties from device tree
> * we fix the mmc core vendor ids and quirks
> * we fix the wl1251 (and wl1271) driver to use only vendor ids
>   from header file instead of (potentially conflicting) local
>   definitions
>
>
> H. Nikolaus Schaller (12):
>   Documentation: dt: wireless: update wl1251 for sdio
>   net: wireless: ti: wl1251 add device tree support
>   ARM: dts: pandora-common: define wl1251 as child node of mmc3
>   mmc: host: omap_hsmmc: add code for special init of wl1251 to get rid
>     of pandora_wl1251_init_card
>   omap: pdata-quirks: revert pandora specific gpiod additions
>   omap: pdata-quirks: remove openpandora quirks for mmc3 and wl1251
>   omap: remove omap2_hsmmc_info in old hsmmc.[ch] and update Makefile
>   mmc: host: omap-hsmmc: remove init_card pdata callback from pdata
>   mmc: sdio: fix wl1251 vendor id
>   mmc: core: fix wl1251 sdio quirks
>   net: wireless: ti: wl1251 use new SDIO_VENDOR_ID_TI_WL1251 definition
>   net: wireless: ti: remove local VENDOR_ID and DEVICE_ID definitions
>
>  .../bindings/net/wireless/ti,wl1251.txt       |  26 +++
>  arch/arm/boot/dts/omap3-pandora-common.dtsi   |  36 +++-
>  arch/arm/mach-omap2/Makefile                  |   3 -
>  arch/arm/mach-omap2/common.h                  |   1 -
>  arch/arm/mach-omap2/hsmmc.c                   | 171 ------------------
>  arch/arm/mach-omap2/hsmmc.h                   |  32 ----
>  arch/arm/mach-omap2/pdata-quirks.c            | 105 -----------
>  drivers/mmc/core/quirks.h                     |   7 +
>  drivers/mmc/host/omap_hsmmc.c                 |  30 ++-
>  drivers/net/wireless/ti/wl1251/sdio.c         |  23 ++-
>  drivers/net/wireless/ti/wlcore/sdio.c         |   8 -
>  include/linux/mmc/sdio_ids.h                  |   2 +
>  include/linux/platform_data/hsmmc-omap.h      |   3 -
>  13 files changed, 111 insertions(+), 336 deletions(-)
>  delete mode 100644 arch/arm/mach-omap2/hsmmc.c
>  delete mode 100644 arch/arm/mach-omap2/hsmmc.h
>
> --
> 2.23.0
>


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