On Fri, Jan 12, 2007 at 09:00:15PM +0000, Russell King wrote:
> Could we please have this (or a proper fix) in before 2.6.20 to resolve
> the regression please?
Actually, this remaining regression is not caused by this patch not being
integrated, but this:
config USB_HID
tristate "USB Human Interface Device (full HID) support"
default y
depends on USB
select HID
So... we have USB_HID _newly_ selected in configurations which didn't
have it before, which overrides CONFIG_HID and builds HID without
input support.
Relevant lines from "make ep93xx_defconfig" output:
Generic input layer (needed for keyboard, mouse, ...) (INPUT) [N/m/y/?] n
Support for Host-side USB (USB) [Y/n/m/?] y
USB Human Interface Device (full HID) support (USB_HID) [Y/n/m/?] (NEW) y
Can USB_HID also depend on INPUT ?
> ----- Forwarded message from Russell King <[email protected]> -----
>
> Date: Fri, 22 Dec 2006 17:09:16 +0000
> From: Russell King <[email protected]>
> To: Linux Kernel List <[email protected]>
> Cc: [email protected], [email protected]
> Subject: [PATCH] Fix some ARM builds due to HID brokenness
>
> The new location for HID is extremely annoying:
>
> 1. the help text implies that you need to enable it for any
> keyboard or mouse attached to the system. This is not
> correct.
>
> 2. it defaults to 'y'. When you have input deselected, this
> causes the kernel to fail to link:
>
> drivers/built-in.o: In function `usb_hidinput_input_event':
> hid-input.c:(.text+0x55054): undefined reference to `input_ff_event'
> drivers/built-in.o: In function `hidinput_hid_event':
> hid-input.c:(.text+0x6446c): undefined reference to `input_event'
> hid-input.c:(.text+0x644f8): undefined reference to `input_event'
> hid-input.c:(.text+0x64550): undefined reference to `input_event'
> hid-input.c:(.text+0x64590): undefined reference to `input_event'
> hid-input.c:(.text+0x645b8): undefined reference to `input_event'
> drivers/built-in.o: In function `hidinput_disconnect':
> hid-input.c:(.text+0x64624): undefined reference to `input_unregister_device'
> drivers/built-in.o: In function `hidinput_report_event':
> hid-input.c:(.text+0x64670): undefined reference to `input_event'
> drivers/built-in.o: In function `hidinput_connect':
> hid-input.c:(.text+0x64824): undefined reference to `input_allocate_device'
> hid-input.c:(.text+0x675e0): undefined reference to `input_register_device'
> hid-input.c:(.text+0x67698): undefined reference to `input_free_device'
> hid-input.c:(.text+0x676b8): undefined reference to `input_register_device'
> make: *** [.tmp_vmlinux1] Error 1
>
> Fix the second problem by making it depend on INPUT. The first
> problem is left as an exercise for the HID maintainers to solve.
>
> Signed-off-by: Russell King <[email protected]>
>
> diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
> index 96d4a0b..1ccc222 100644
> --- a/drivers/hid/Kconfig
> +++ b/drivers/hid/Kconfig
> @@ -6,6 +6,7 @@ menu "HID Devices"
>
> config HID
> tristate "Generic HID support"
> + depends on INPUT
> default y
> ---help---
> Say Y here if you want generic HID support to connect keyboards,
>
> ----- End forwarded message -----
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--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
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