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dfebe38e46
The identifiers are used as IRQ resource numbers, where 0 is treated specially. This fixes sun4i-gpadc-iio probe failed when request irq. The backstack: WARNING: CPU: 3 PID: 1 at drivers/base/platform.c:451 __platform_get_irq_byname+0xb8/0xc4 0 is an invalid IRQ number Modules linked in: CPU: 3 PID: 1 Comm: swapper/0 Not tainted 6.7.0-rc6 #9 Hardware name: Allwinner sun8i Family unwind_backtrace show_stack dump_stack_lvl __warn warn_slowpath_fmt __platform_get_irq_byname platform_get_irq_byname sun4i_irq_init sun4i_gpadc_probe platform_probe really_probe __driver_probe_device driver_probe_device __driver_attach bus_for_each_dev bus_add_driver driver_register do_one_initcall do_initcall_level do_initcalls kernel_init_freeable kernel_init Log reports: sun4i-gpadc-iio sun6i-a31-gpadc-iio.0: error -EINVAL: IRQ FIFO_DATA_PENDING not found sun4i-gpadc-iio: probe of sun6i-a31-gpadc-iio.0 failed with error -22 Signed-off-by: Fuyao Kashizuku <fuyao@sjterm.com> Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Link: https://lore.kernel.org/r/ZYuFbUUus9apiCpq@debian.cyg Signed-off-by: Lee Jones <lee@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.