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Subject[PATCH] video: fbdev: remove redundant 'default n' from Kconfig-s
Date
'default n' is the default value for any bool or tristate Kconfig
setting so there is no need to write it explicitly.

Also since commit f467c5640c29 ("kconfig: only write '# CONFIG_FOO
is not set' for visible symbols") the Kconfig behavior is the same
regardless of 'default n' being present or not:

...
One side effect of (and the main motivation for) this change is making
the following two definitions behave exactly the same:

config FOO
bool

config FOO
bool
default n

With this change, neither of these will generate a
'# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied).
That might make it clearer to people that a bare 'default n' is
redundant.
...

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---
drivers/video/fbdev/Kconfig | 28 ---------------------------
drivers/video/fbdev/mmp/hw/Kconfig | 1
drivers/video/fbdev/mmp/panel/Kconfig | 1
drivers/video/fbdev/omap2/omapfb/dss/Kconfig | 7 ------
4 files changed, 37 deletions(-)

Index: b/drivers/video/fbdev/Kconfig
===================================================================
--- a/drivers/video/fbdev/Kconfig 2018-10-08 16:33:37.571968486 +0200
+++ b/drivers/video/fbdev/Kconfig 2018-10-08 17:21:23.632040663 +0200
@@ -47,7 +47,6 @@ menuconfig FB
config FIRMWARE_EDID
bool "Enable firmware EDID"
depends on FB
- default n
---help---
This enables access to the EDID transferred from the firmware.
On the i386, this is from the Video BIOS. Enable this if DDC/I2C
@@ -65,12 +64,10 @@ config FB_DDC
depends on FB
select I2C_ALGOBIT
select I2C
- default n

config FB_BOOT_VESA_SUPPORT
bool
depends on FB
- default n
---help---
If true, at least one selected framebuffer driver can take advantage
of VESA video modes set at an early boot stage via the vga= parameter.
@@ -78,7 +75,6 @@ config FB_BOOT_VESA_SUPPORT
config FB_CFB_FILLRECT
tristate
depends on FB
- default n
---help---
Include the cfb_fillrect function for generic software rectangle
filling. This is used by drivers that don't provide their own
@@ -87,7 +83,6 @@ config FB_CFB_FILLRECT
config FB_CFB_COPYAREA
tristate
depends on FB
- default n
---help---
Include the cfb_copyarea function for generic software area copying.
This is used by drivers that don't provide their own (accelerated)
@@ -96,7 +91,6 @@ config FB_CFB_COPYAREA
config FB_CFB_IMAGEBLIT
tristate
depends on FB
- default n
---help---
Include the cfb_imageblit function for generic software image
blitting. This is used by drivers that don't provide their own
@@ -105,7 +99,6 @@ config FB_CFB_IMAGEBLIT
config FB_CFB_REV_PIXELS_IN_BYTE
bool
depends on FB
- default n
---help---
Allow generic frame-buffer functions to work on displays with 1, 2
and 4 bits per pixel depths which has opposite order of pixels in
@@ -114,7 +107,6 @@ config FB_CFB_REV_PIXELS_IN_BYTE
config FB_SYS_FILLRECT
tristate
depends on FB
- default n
---help---
Include the sys_fillrect function for generic software rectangle
filling. This is used by drivers that don't provide their own
@@ -123,7 +115,6 @@ config FB_SYS_FILLRECT
config FB_SYS_COPYAREA
tristate
depends on FB
- default n
---help---
Include the sys_copyarea function for generic software area copying.
This is used by drivers that don't provide their own (accelerated)
@@ -132,7 +123,6 @@ config FB_SYS_COPYAREA
config FB_SYS_IMAGEBLIT
tristate
depends on FB
- default n
---help---
Include the sys_imageblit function for generic software image
blitting. This is used by drivers that don't provide their own
@@ -141,7 +131,6 @@ config FB_SYS_IMAGEBLIT
config FB_PROVIDE_GET_FB_UNMAPPED_AREA
bool
depends on FB
- default n
---help---
Allow generic frame-buffer to provide get_fb_unmapped_area
function.
@@ -173,7 +162,6 @@ endchoice
config FB_SYS_FOPS
tristate
depends on FB
- default n

config FB_DEFERRED_IO
bool
@@ -187,7 +175,6 @@ config FB_HECUBA
config FB_SVGALIB
tristate
depends on FB
- default n
---help---
Common utility functions useful to fbdev drivers of VGA-based
cards.
@@ -195,19 +182,16 @@ config FB_SVGALIB
config FB_MACMODES
tristate
depends on FB
- default n

config FB_BACKLIGHT
bool
depends on FB
select BACKLIGHT_LCD_SUPPORT
select BACKLIGHT_CLASS_DEVICE
- default n

config FB_MODE_HELPERS
bool "Enable Video Mode Handling Helpers"
depends on FB
- default n
---help---
This enables functions for handling video modes using the
Generalized Timing Formula and the EDID parser. A few drivers rely
@@ -218,7 +202,6 @@ config FB_MODE_HELPERS
config FB_TILEBLITTING
bool "Enable Tile Blitting Support"
depends on FB
- default n
---help---
This enables tile blitting. Tile blitting is a drawing technique
where the screen is divided into rectangular sections (tiles), whereas
@@ -929,7 +912,6 @@ config FB_NVIDIA_I2C
config FB_NVIDIA_DEBUG
bool "Lots of debug output"
depends on FB_NVIDIA
- default n
help
Say Y here if you want the nVidia driver to output all sorts
of debugging information to provide to the maintainer when
@@ -976,7 +958,6 @@ config FB_RIVA_I2C
config FB_RIVA_DEBUG
bool "Lots of debug output"
depends on FB_RIVA
- default n
help
Say Y here if you want the Riva driver to output all sorts
of debugging information to provide to the maintainer when
@@ -1259,7 +1240,6 @@ config FB_RADEON_BACKLIGHT
config FB_RADEON_DEBUG
bool "Lots of debug output from Radeon driver"
depends on FB_RADEON
- default n
help
Say Y here if you want the Radeon driver to output all sorts
of debugging information to provide to the maintainer when
@@ -1392,7 +1372,6 @@ config FB_SAVAGE_I2C
config FB_SAVAGE_ACCEL
bool "Enable Console Acceleration"
depends on FB_SAVAGE
- default n
help
This option will compile in console acceleration support. If
the resulting framebuffer console has bothersome glitches, then
@@ -1449,7 +1428,6 @@ if FB_VIA

config FB_VIA_DIRECT_PROCFS
bool "direct hardware access via procfs (DEPRECATED)(DANGEROUS)"
- default n
help
Allow direct hardware access to some output registers via procfs.
This is dangerous but may provide the only chance to get the
@@ -1458,7 +1436,6 @@ config FB_VIA_DIRECT_PROCFS

config FB_VIA_X_COMPATIBILITY
bool "X server compatibility"
- default n
help
This option reduces the functionality (power saving, ...) of the
framebuffer to avoid negative impact on the OpenChrome X server.
@@ -1683,7 +1660,6 @@ config FB_WM8505
config FB_WMT_GE_ROPS
bool "VT8500/WM8xxx accelerated raster ops support"
depends on (FB = y) && (FB_VT8500 || FB_WM8505)
- default n
help
This adds support for accelerated raster operations on the
VIA VT8500 and Wondermedia 85xx series SoCs.
@@ -1793,17 +1769,14 @@ config FB_PXA

config FB_PXA_OVERLAY
bool "Support PXA27x/PXA3xx Overlay(s) as framebuffer"
- default n
depends on FB_PXA && (PXA27x || PXA3xx)

config FB_PXA_SMARTPANEL
bool "PXA Smartpanel LCD support"
- default n
depends on FB_PXA

config FB_PXA_PARAMETERS
bool "PXA LCD command line parameters"
- default n
depends on FB_PXA
---help---
Enable the use of kernel command line or module parameters
@@ -1841,7 +1814,6 @@ config FB_MBX
config FB_MBX_DEBUG
bool "Enable debugging info via debugfs"
depends on FB_MBX && DEBUG_FS
- default n
---help---
Enable this if you want debugging information using the debug
filesystem (debugfs)
Index: b/drivers/video/fbdev/mmp/hw/Kconfig
===================================================================
--- a/drivers/video/fbdev/mmp/hw/Kconfig 2018-09-03 18:11:52.745791712 +0200
+++ b/drivers/video/fbdev/mmp/hw/Kconfig 2018-10-08 17:21:32.772040893 +0200
@@ -3,7 +3,6 @@ if MMP_DISP
config MMP_DISP_CONTROLLER
bool "mmp display controller hw support"
depends on CPU_PXA910 || CPU_MMP2
- default n
help
Marvell MMP display hw controller support
this controller is used on Marvell PXA910 and
Index: b/drivers/video/fbdev/mmp/panel/Kconfig
===================================================================
--- a/drivers/video/fbdev/mmp/panel/Kconfig 2018-09-03 18:11:52.745791712 +0200
+++ b/drivers/video/fbdev/mmp/panel/Kconfig 2018-10-08 17:21:39.280041057 +0200
@@ -2,6 +2,5 @@
config MMP_PANEL_TPOHVGA
bool "tpohvga panel TJ032MD01BW support"
depends on SPI_MASTER
- default n
help
tpohvga panel support
Index: b/drivers/video/fbdev/omap2/omapfb/dss/Kconfig
===================================================================
--- a/drivers/video/fbdev/omap2/omapfb/dss/Kconfig 2018-09-03 18:11:52.749791711 +0200
+++ b/drivers/video/fbdev/omap2/omapfb/dss/Kconfig 2018-10-08 17:22:02.768041649 +0200
@@ -10,7 +10,6 @@ config FB_OMAP2_DSS

config FB_OMAP2_DSS_DEBUG
bool "Debug support"
- default n
help
This enables printing of debug messages. Alternatively, debug messages
can also be enabled by setting CONFIG_DYNAMIC_DEBUG and then setting
@@ -19,7 +18,6 @@ config FB_OMAP2_DSS_DEBUG
config FB_OMAP2_DSS_DEBUGFS
bool "Debugfs filesystem support"
depends on DEBUG_FS
- default n
help
This enables debugfs for OMAPDSS at <debugfs>/omapdss. This enables
querying about clock configuration and register configuration of dss,
@@ -28,7 +26,6 @@ config FB_OMAP2_DSS_DEBUGFS
config FB_OMAP2_DSS_COLLECT_IRQ_STATS
bool "Collect DSS IRQ statistics"
depends on FB_OMAP2_DSS_DEBUGFS
- default n
help
Collect DSS IRQ statistics, printable via debugfs.

@@ -45,7 +42,6 @@ config FB_OMAP2_DSS_DPI
config FB_OMAP2_DSS_RFBI
bool "RFBI support"
depends on BROKEN
- default n
help
MIPI DBI support (RFBI, Remote Framebuffer Interface, in Texas
Instrument's terminology).
@@ -73,7 +69,6 @@ config FB_OMAP4_DSS_HDMI

config FB_OMAP5_DSS_HDMI
bool "HDMI support for OMAP5"
- default n
select FB_OMAP2_DSS_HDMI_COMMON
help
HDMI Interface for OMAP5 and similar cores. This adds the High
@@ -82,7 +77,6 @@ config FB_OMAP5_DSS_HDMI

config FB_OMAP2_DSS_SDI
bool "SDI support"
- default n
help
SDI (Serial Display Interface) support.

@@ -91,7 +85,6 @@ config FB_OMAP2_DSS_SDI

config FB_OMAP2_DSS_DSI
bool "DSI support"
- default n
help
MIPI DSI (Display Serial Interface) support.

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