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| Filename | Latest commit message | Latest commit date |
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5ae51d67ae
I noticed that modprobe clk-twl6040 can fail after a cold boot with: abe_cm:clk:0010:0: failed to enable ... Unhandled fault: imprecise external abort (0x1406) at 0xbe896b20 WARNING: CPU: 1 PID: 29 at drivers/clk/clk.c:828 clk_core_disable_lock+0x18/0x24 ... (clk_core_disable_lock) from [<c0123534>] (_disable_clocks+0x18/0x90) (_disable_clocks) from [<c0124040>] (_idle+0x17c/0x244) (_idle) from [<c0125ad4>] (omap_hwmod_idle+0x24/0x44) (omap_hwmod_idle) from [<c053a038>] (sysc_runtime_suspend+0x48/0x108) (sysc_runtime_suspend) from [<c06084c4>] (__rpm_callback+0x144/0x1d8) (__rpm_callback) from [<c0608578>] (rpm_callback+0x20/0x80) (rpm_callback) from [<c0607034>] (rpm_suspend+0x120/0x694) (rpm_suspend) from [<c0607a78>] (__pm_runtime_idle+0x60/0x84) (__pm_runtime_idle) from [<c053aaf0>] (sysc_probe+0x874/0xf2c) (sysc_probe) from [<c05fecd4>] (platform_drv_probe+0x48/0x98) After searching around for a similar issue, I came across an earlier fix that never got merged upstream in the Android tree for glass-omap-xrr02. There is patch "MFD: twl6040-codec: Implement PDMCLK cold temp errata" by Misael Lopez Cruz <misael.lopez@ti.com>. Based on my observations, this fix is also needed when cold booting devices, and not just for deeper idle modes. Since we now have a clock driver for pdmclk, let's fix the issue in twl6040_pdmclk_prepare(). Cc: Misael Lopez Cruz <misael.lopez@ti.com> Cc: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Cc: <stable@vger.kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.