1. 22 1月, 2015 1 次提交
  2. 17 1月, 2015 1 次提交
    • H
      ARM: rockchip: disable jtag/sdmmc autoswitching on rk3288 · c9b75d51
      Heiko Stübner 提交于
      rk3288 SoCs have a function to automatically switch between jtag/sdmmc pinmux
      settings depending on the card state. This collides with a lot of assumptions.
      
      It only works when using the internal card-detect mechanism and breaks
      horribly when using either the normal card-detect via the slot-gpio function
      or via any other pin. Also there is of course no link between the mmc and jtag
      on the software-side, so the jtag clocks may very well be disabled when the
      card is ejected and the soc switches back to the jtag pinmux.
      
      Leaving the switching function enabled did result in mmc timeouts and rcu
      stalls thus hanging the system on 3.19-rc1. Therefore disable it in all cases,
      as we expect the devicetree to explicitly select either mmc or jtag pinmuxes
      anyway.
      Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
      Signed-off-by: NOlof Johansson <olof@lixom.net>
      c9b75d51
  3. 31 12月, 2014 1 次提交
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