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21bb44badd
Warning once each time FIFO XRUN occurs, and then disable it, until the next time the stream resume. Before: rockchip_i2s_tdm_isr: 234 callbacks suppressed rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun ... cat /proc/interrupts | grep i2s 21: 514 0 0 0 0 0 0 0 GICv3 213 Level i2s After: rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun rockchip-i2s-tdm fe480000.i2s: TX FIFO Underrun cat /proc/interrupts | grep i2s 21: 4 0 0 0 0 0 0 0 GICv3 213 Level i2s Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com> Change-Id: Ibe3b07d94b31f421fd637296cb137d5ba1071fcc
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.