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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 3029 file(s).
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The syscon header uses the ENOTSUPP error constant, but doesn't
include the header that defines it. This causes a build error
after the imx pinctrl driver started using syscon:
include/linux/mfd/syscon.h: In function 'syscon_node_to_regmap':
include/linux/mfd/syscon.h:32:18: error: 'ENOTSUPP' undeclared (first use in this function)
return ERR_PTR(-ENOTSUPP);
^~~~~~~~
This adds the missing #include.
Signed-off-by: Arnd Bergmann <[email protected]>
Fixes: 8626ada871f1 ("pinctrl: imx: attach iomuxc device to gpr syscon")
Signed-off-by: Lee Jones <[email protected]>
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When CONFIG_MFD_SYSCON is disabled, have the function stubs return
ENOTSUPP to indicate the syscon functionality is not available.
There are currently no callers that depend on the ENOSYS return value.
This patchfixes a checkpatch warning:
WARNING: ENOSYS means 'invalid syscall nr' and nothing else
Signed-off-by: Philipp Zabel <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
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commit df73de9b0d412 ("mfd: syscon: Return -ENOSYS if CONFIG_MFD_SYSCON
is not enabled") introduced fallbacks for APIs, but missed out on adding
the header file. This would work only if linux/err.h is also included
in the source code from where this file is included. It would be better
to include linux/err.h in file to remove possible build errors.
Without this patch, we get following and similar build errors if this
header file is included in some source file and CONFIG_MFD_SYSCON is
not enabled.
include/linux/mfd/syscon.h: In function ‘syscon_node_to_regmap’:
include/linux/mfd/syscon.h:30:2: error: implicit declaration of function ‘ERR_PTR’ [-Werror=implicit-function-declaration]
return ERR_PTR(-ENOSYS);
^
include/linux/mfd/syscon.h:30:18: error: ‘ENOSYS’ undeclared (first use in this function)
return ERR_PTR(-ENOSYS);
^
Signed-off-by: Tushar Behera <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
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Some platforms may not define CONFIG_MFD_SYSCON (or haven't syscon),
it can fix build error for these platforms.
Signed-off-by: Peter Chen <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
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syscon.h header uses struct device_node in functions' declarations
without declaring it. This causes compilation warnings like:
include/linux/mfd/syscon.h:20: warning: ‘struct device_node’
declared inside parameter list
include/linux/mfd/syscon.h:20: warning: its scope is only this
definition or declaration, which is probably not what you want
Fix it by adding a forward declaration of struct device_node.
Signed-off-by: Sylwester Nawrocki <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
Acked-by: Dong Aisheng <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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This patch allow using syscon driver from the platform data, i.e.
possibility using driver on systems without oftree support.
For search syscon device from the client drivers,
"syscon_regmap_lookup_by_pdevname" function was added.
Signed-off-by: Alexander Shiyan <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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Add regmap based syscon driver.
This is usually used for access misc bits in registers which does not belong
to a specific module, for example, IMX IOMUXC GPR and ANATOP.
With this driver, client can use generic regmap API to access registers
which are registered into syscon.
Reviewed-by: Mark Brown <[email protected]>
Acked-by: Stephen Warren <[email protected]>
Signed-off-by: Dong Aisheng <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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