Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1474610

Re: [PATCH] spi: qup: skip clk_disable_unprepare if the device is already runtime suspended

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

On Thu, Aug 25, 2016 at 01:33:28PM +0100, Sudeep Holla wrote:
> If the spi device is already runtime suspended, if spi_qup_suspend is
> executed during suspend-to-idle or suspend-to-ram it will result in the
> following splat:
> 
> WARNING: CPU: 3 PID: 1593 at drivers/clk/clk.c:476 clk_core_unprepare+0x80/0x90
> Modules linked in:
> 
> CPU: 3 PID: 1593 Comm: bash Tainted: G        W       4.8.0-rc3 #14
> Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT)
> PC is at clk_core_unprepare+0x80/0x90
> LR is at clk_unprepare+0x28/0x40
> pc : [<ffff0000086eecf0>] lr : [<ffff0000086f0c58>] pstate: 60000145

Please think hard before including complete backtraces in upstream
reports, they are very large and contain almost no useful information
relative to their size so often obscure the relevant content in your
message. If part of the backtrace is usefully illustrative then it's
usually better to pull out the relevant sections.

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH] spi: qup: skip clk_disable_unprepare if the device is already runtime suspended Sudeep Holla <sudeep.holla@arm.com> - 2016-08-25 14:40 +0200
  Re: [PATCH] spi: qup: skip clk_disable_unprepare if the device is  already runtime suspended Andy Gross <andy.gross@linaro.org> - 2016-08-25 15:30 +0200
    Re: [PATCH] spi: qup: skip clk_disable_unprepare if the device is  already runtime suspended Sudeep Holla <sudeep.holla@arm.com> - 2016-08-25 15:40 +0200
  Applied "spi: qup: skip clk_disable_unprepare if the device is already runtime suspended" to the spi tree Mark Brown <broonie@kernel.org> - 2016-09-01 23:10 +0200
  Re: [PATCH] spi: qup: skip clk_disable_unprepare if the device is  already runtime suspended Mark Brown <broonie@kernel.org> - 2016-09-01 23:20 +0200
    Re: [PATCH] spi: qup: skip clk_disable_unprepare if the device is  already runtime suspended Sudeep Holla <sudeep.holla@arm.com> - 2016-09-02 10:50 +0200
      Re: [PATCH] spi: qup: skip clk_disable_unprepare if the device is  already runtime suspended Mark Brown <broonie@kernel.org> - 2016-09-02 11:50 +0200
        Re: [PATCH] spi: qup: skip clk_disable_unprepare if the device is  already runtime suspended Sudeep Holla <sudeep.holla@arm.com> - 2016-09-02 12:50 +0200

csiph-web