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cfc5b2b551
linux/drivers/video/fbdev
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Bastian Stender cfc5b2b551 fbdev/ssd1307fb: fix optional VBAT support 
SSD1306 needs VBAT when it is wired in charge pump configuration only.
Other controllers of the SSD1307 family do not need it at all. This was
introduced by commit ba14301e03 ("fbdev/ssd1307fb: add support to
enable VBAT").

Without VBAT configuration the driver now fails with:

	failed to get VBAT regulator: -19

This is caused by misinterpretation of devm_regulator_get_optional
which "returns a struct regulator corresponding to the regulator
producer or IS_ERR() condition".

Handle -ENODEV without bailing out and making VBAT support really
optional.

Signed-off-by: Bastian Stender <bst@pengutronix.de>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Jyri Sarha <jsarha@ti.com>
Cc: Roger Quadros <rogerq@ti.com>
[b.zolnierkie: minor fixups]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
2017-04-07 17:28:23 +02:00
..
aty scripts/spelling.txt: add "applys" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
core mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf 2017-02-24 17:46:54 -08:00
geode video: constify geode ops structures 2015-12-15 15:41:22 +02:00
i810 video: fbdev: i810: add in missing white space in error message text 2016-09-27 11:08:15 +03:00
intelfb video: fbdev: intelfb: remove impossible condition 2016-09-07 11:16:05 +03:00
kyro video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
matrox video: fbdev: matroxfb: use designated initializers 2017-01-11 17:09:50 +01:00
mb862xx video: fbdev: mb862xx: remove unused variable 2016-08-30 12:00:15 +03:00
mbx video/mbx: use simple_open() 2017-01-30 17:39:49 +01:00
mmp fbdev: mmp: print IRQ resource using %pR format string 2016-01-29 13:42:58 +02:00
nvidia sched/headers: Prepare for new header dependencies before moving code to <linux/sched/nmi.h> 2017-03-02 08:42:30 +01:00
omap fbdev: omap/lcd: Make callbacks optional 2017-01-30 17:39:49 +01:00
omap2 sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
riva video: fbdev: rivafb: unlock chip before probiding EDID 2015-12-15 15:41:23 +02:00
savage video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
sis video: fbdev: sis: remove unused variable 2016-03-03 13:38:29 +02:00
vermilion mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
via fbdev: Use IS_ENABLED() instead of checking for built-in or module 2016-05-13 15:14:38 +03:00
68328fb.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
acornfb.c dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc() 2016-03-09 14:57:51 +01:00
acornfb.h
amba-clcd-nomadik.c fbdev changes for v4.11: 2017-02-25 13:20:22 -08:00
amba-clcd-nomadik.h video: ARM CLCD: use panel device node for panel initialization 2017-01-30 17:39:48 +01:00
amba-clcd-versatile.c video: ARM CLCD: use panel device node for panel initialization 2017-01-30 17:39:48 +01:00
amba-clcd-versatile.h video: ARM CLCD: use panel device node for panel initialization 2017-01-30 17:39:48 +01:00
amba-clcd.c video: ARM CLCD: use panel device node for getting backlight and mode 2017-01-30 17:39:48 +01:00
amifb.c video: fbdev: amifb: remove impossible condition 2017-02-08 16:44:00 +01:00
arcfb.c video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
arkfb.c drivers/video/fbdev/arkfb.c: Use arch_phys_wc_add() and pci_iomap_wc() 2015-08-25 09:59:45 +02:00
asiliantfb.c video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
atafb_iplan2p2.c
atafb_iplan2p4.c
atafb_iplan2p8.c
atafb_mfb.c
atafb_utils.h
atafb.c fbdev: kill fb_rotate 2016-02-26 13:28:35 +02:00
atafb.h
atmel_lcdfb.c This is the bulk of GPIO changes for kernel v4.6: 2016-03-17 21:05:32 -07:00
au1100fb.c fbdev: kill fb_rotate 2016-02-26 13:28:35 +02:00
au1100fb.h MIPS: Alchemy: au1100fb: use clk framework 2014-07-30 14:10:39 +02:00
au1200fb.c mips: separate extable.h, switch module.h to it 2016-10-05 18:36:18 -04:00
au1200fb.h
auo_k190x.c sched/headers: Remove the <linux/mm_types.h> dependency from <linux/sched.h> 2017-03-03 01:45:16 +01:00
auo_k190x.h
auo_k1900fb.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
auo_k1901fb.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
bf54x-lq043fb.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
bf537-lq035.c fbdev: kill fb_rotate 2016-02-26 13:28:35 +02:00
bfin_adv7393fb.c fb: adv7393: off by one in probe function 2016-08-30 12:06:12 +03:00
bfin_adv7393fb.h fbdev/bfin_adv7393fb: move DRIVER_NAME before its first use 2016-08-02 19:35:05 -04:00
bfin-lq035q1-fb.c
bfin-t350mcqb-fb.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
broadsheetfb.c fbdev: broadsheetfb: fix memory leak 2015-09-30 10:33:57 +03:00
bt431.h video: fbdev: bt431: Correct cursor format control macro 2016-02-26 13:06:11 +02:00
bt455.h video: fbdev: pmag-ba-fb: Optimize Bt455 colormap addressing 2016-02-26 13:06:11 +02:00
bw2.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
c2p_core.h
c2p_iplan2.c
c2p_planar.c
c2p.h
carminefb_regs.h
carminefb.c
carminefb.h
cg3.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
cg6.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
cg14.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
chipsfb.c fbdev: Remove __init from chips_hw_init() to fix build failure 2014-08-26 12:48:34 +03:00
cirrusfb.c
clps711x-fb.c video: clps711x-fb: Changing the compatibility string to match with the smallest supported chip 2016-07-06 17:38:19 +02:00
clps711xfb.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
cobalt_lcdfb.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
controlfb.c powerpc: Move Power Macintosh drivers to generic byteswappers 2015-03-23 14:29:40 +11:00
controlfb.h
cyber2000fb.c video: fbdev: cyber2000fb.c: use container_of to resolve cfb_info from fb_info 2014-09-30 13:06:01 +03:00
cyber2000fb.h
da8xx-fb.c remove lots of IS_ERR_VALUE abuses 2016-05-27 15:26:11 -07:00
dnfb.c
edid.h
efifb.c efifb: Show framebuffer layout as device attributes 2016-10-18 17:11:19 +02:00
ep93xx-fb.c dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc() 2016-03-09 14:57:51 +01:00
fb-puv3.c drivers/video/fbdev/fb-puv3.c: Add header files for function unifb_mmap 2014-05-23 13:51:10 +03:00
ffb.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
fm2fb.c
fsl-diu-fb.c video: fbdev: fsl-diu-fb: fix spelling mistake "palette" 2017-02-20 13:51:07 +01:00
g364fb.c
gbefb.c dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc() 2016-03-09 14:57:51 +01:00
goldfishfb.c
grvga.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
gxt4500.c gxt4500: enable panning 2015-10-08 12:19:39 +03:00
hecubafb.c video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
hgafb.c video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
hitfb.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
hpfb.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
hyperv_fb.c drivers:hv: Use new vmbus_mmio_free() from client drivers. 2016-04-30 14:01:37 -07:00
i740_reg.h
i740fb.c video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
igafb.c
imsttfb.c PCI: Remove includes of asm/pci-bridge.h 2016-02-05 16:29:28 -06:00
imxfb.c video: fbdev: imxfb: always allocate 256 entries for the color map 2017-01-11 17:09:50 +01:00
jz4740_fb.c
Kconfig fbmem: add a default get_fb_unmapped_area function 2017-01-06 11:00:09 +01:00
leo.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
macfb.c
macmodes.c
macmodes.h
Makefile video: fbdev: exynos: Remove old non-working MIPI driver 2016-09-27 11:05:29 +03:00
maxinefb.c video: fbdev: maxinefb: add __initdata to maxinefb_fix 2017-01-11 17:09:50 +01:00
metronomefb.c lib/vsprintf.c: remove %Z support 2017-02-27 18:43:47 -08:00
mx3fb.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
mxsfb.c video: mxsfb: Fix framebuffer corruption on mx6sx 2016-08-30 11:59:33 +03:00
n411.c fbdev: n411: check return value 2016-02-26 12:16:58 +02:00
neofb.c video: fbdev: neofb: use arch_phys_wc_add() and ioremap_wc() 2015-06-03 12:41:49 +03:00
nuc900fb.c dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc() 2016-03-09 14:57:51 +01:00
nuc900fb.h
ocfb.c ocfb: fix tgdel and tvdel timing parameters 2016-01-29 13:34:07 +02:00
offb.c video: fbdev: offb: switch to using for_each_node_by_type 2017-02-08 16:43:59 +01:00
p9100.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
platinumfb.c powerpc: Move Power Macintosh drivers to generic byteswappers 2015-03-23 14:29:40 +11:00
platinumfb.h
pm2fb.c video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
pm3fb.c video: fbdev: pm3fb: use arch_phys_wc_add() and ioremap_wc() 2015-06-03 12:41:52 +03:00
pmag-aa-fb.c video: fbdev: pmag-ba-fb: Optimize Bt455 colormap addressing 2016-02-26 13:06:11 +02:00
pmag-ba-fb.c video: fbdev: pmag-ba-fb: Remove bad `__init' annotation 2017-01-30 17:39:48 +01:00
pmagb-b-fb.c video: fbdev: pmagb-b-fb: Remove bad `__init' annotation 2017-01-30 17:39:48 +01:00
ps3fb.c
pvr2fb.c mm: replace get_user_pages_unlocked() write/force parameters with gup_flags 2016-10-18 14:13:37 -07:00
pxa3xx-gcu.c video: fbdev: pxa3xx_gcu: prepare the clocks 2015-08-10 12:25:43 +03:00
pxa3xx-gcu.h
pxa168fb.c dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc() 2016-03-09 14:57:51 +01:00
pxa168fb.h
pxafb.c video: fbdev: pxafb: add missing of_node_put() in of_get_pxafb_mode_info() 2016-08-30 12:04:16 +03:00
pxafb.h video: fbdev: pxafb: loosen the platform data bond 2015-12-15 15:41:24 +02:00
q40fb.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
s1d13xxxfb.c video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
s3c2410fb.c video: s3c2410fb: Register cpufreq notifier only on S3C24xx 2016-08-11 17:54:55 +03:00
s3c2410fb.h video: s3c2410fb: Register cpufreq notifier only on S3C24xx 2016-08-11 17:54:55 +03:00
s3c-fb.c dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc() 2016-03-09 14:57:51 +01:00
s3fb.c drivers/video/fbdev/s3fb: Use arch_phys_wc_add() and pci_iomap_wc() 2015-08-25 09:59:45 +02:00
sa1100fb.c dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc() 2016-03-09 14:57:51 +01:00
sa1100fb.h ARM: 8244/1: fbdev: sa1100fb: make use of device clock 2014-12-05 16:30:25 +00:00
sbuslib.c
sbuslib.h
sh7760fb.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
sh_mobile_lcdcfb.c video: fbdev: sh_mobile_lcdcfb: fix error return code in sh_mobile_lcdc_probe() 2017-02-08 16:43:59 +01:00
sh_mobile_lcdcfb.h
sh_mobile_meram.c More ACPI and power management updates for 3.19-rc1 2014-12-18 20:28:33 -08:00
simplefb.c video: fbdev: simplefb: Separate clk / regulator get and enable steps 2017-01-11 17:09:50 +01:00
skeletonfb.c docs: fix locations of several documents that got moved 2016-10-24 08:12:35 -02:00
sm501fb.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
sm712.h staging: sm7xxfb: merge sm712fb with fbdev 2015-08-07 15:05:01 -07:00
sm712fb.c video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
smscufx.c video: smscufx: remove unused variable 2016-09-27 11:47:37 +03:00
ssd1307fb.c fbdev/ssd1307fb: fix optional VBAT support 2017-04-07 17:28:23 +02:00
sstfb.c
sticore.h
stifb.c video: fbdev: stifb: handle NULL return value from ioremap_nocache 2017-01-30 17:39:49 +01:00
sunxvr500.c drivers/video: make fbdev/sunxvr500.c explicitly non-modular 2016-03-03 13:36:51 +02:00
sunxvr1000.c drivers/video: make fbdev/sunxvr1000.c explicitly non-modular 2016-03-03 13:36:51 +02:00
sunxvr2500.c drivers/video: make fbdev/sunxvr2500.c explicitly non-modular 2016-03-03 13:36:51 +02:00
tcx.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
tdfxfb.c video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
tgafb.c
tmiofb.c
tridentfb.c fbdev changes for 4.4 2015-11-10 10:00:09 -08:00
udlfb.c fbdev: udlfb: remove unneeded initialization in few places 2015-08-20 10:32:40 +03:00
uvesafb.c video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
valkyriefb.c video: fbdev: valkyriefb.c: use container_of to resolve fb_info_valkyrie from fb_info 2014-09-30 13:06:01 +03:00
valkyriefb.h
vesafb.c video: fbdev: vesafb: use arch_phys_wc_add() 2015-06-16 09:42:11 +03:00
vfb.c fbdev: vfb: simplify memory management 2016-09-07 12:06:53 +03:00
vga16fb.c video: fbdev: constify fb_fix_screeninfo and fb_var_screeninfo structures 2016-09-27 11:16:35 +03:00
vt8500lcdfb.c video: vt8500lcdfb: remove unneeded continue 2015-01-13 13:35:04 +02:00
vt8500lcdfb.h
vt8623fb.c drivers/video/fbdev/vt8623fb: Use arch_phys_wc_add() and pci_iomap_wc() 2015-08-25 09:59:45 +02:00
w100fb.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
w100fb.h
wm8505fb_regs.h
wm8505fb.c video: fbdev: wm8505fb use permission-specific DEVICE_ATTR variants 2017-01-11 17:09:51 +01:00
wmt_ge_rops.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00
wmt_ge_rops.h
xen-fbfront.c xen: make use of xenbus_read_unsigned() in xen-fbfront 2016-11-07 13:55:32 +01:00
xilinxfb.c video: fbdev: drop owner assignment from platform_drivers 2014-10-20 16:21:51 +02:00