Revision tags: v5.15.41, v5.15.40, v5.15.39, v5.15.38, v5.15.37, v5.15.36, v5.15.35, v5.15.34, v5.15.33, v5.15.32, v5.15.31, v5.15.30, v5.15.29, v5.15.28, v5.15.27, v5.15.26, v5.15.25, v5.15.24, v5.15.23, v5.15.22, v5.15.21, v5.15.20, v5.15.19, v5.15.18, v5.15.17, v5.4.173, v5.15.16, v5.15.15, v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35 |
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#
ec03c210 |
| 03-May-2021 |
Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
staging: fbtft: Rectify GPIO handling
The infamous commit c440eee1a7a1 ("Staging: staging: fbtft: Switch to the GPIO descriptor interface") broke GPIO handling completely. It has already four commit
staging: fbtft: Rectify GPIO handling
The infamous commit c440eee1a7a1 ("Staging: staging: fbtft: Switch to the GPIO descriptor interface") broke GPIO handling completely. It has already four commits to rectify and it seems not enough. In order to fix the mess here we:
1) Set default to "inactive" for all requested pins
2) Fix CS#, RD#, and WR# pins polarity since it's active low and GPIO descriptor interface takes it into consideration from the Device Tree or ACPI
3) Consolidate chip activation (CS# assertion) under default ->reset() callback
To summarize the expectations about polarity for GPIOs:
RD# Low WR# Low CS# Low RESET# Low DC or RS High RW High Data 0 .. 15 High
See also Adafruit learning course [1] for the example of the schematics.
While at it, drop unneeded NULL checks, since GPIO API is tolerant to that.
[1]: https://learn.adafruit.com/adafruit-2-8-and-3-2-color-tft-touchscreen-breakout-v2/downloads
Fixes: 92e3e884887c ("Staging: fbtft: Fix GPIO handling") Fixes: b918d1c27066 ("Staging: fbtft: Fix reset assertion when using gpio descriptor") Fixes: dbc4f989c878 ("Staging: fbtft: Fix probing of gpio descriptor") Fixes: c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptor interface") Cc: Jan Sebastian Götte <linux@jaseg.net> Cc: Nishad Kamdar <nishadkamdar@gmail.com> Reviewed-by: Phil Reid <preid@electromag.com.au> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210503172114.27891-2-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#
7a42f3c3 |
| 03-May-2021 |
Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
staging: fbtft: Rectify GPIO handling
[ Upstream commit ec03c2104365ead0a33627c05e685093eed3eaef ]
The infamous commit c440eee1a7a1 ("Staging: staging: fbtft: Switch to the GPIO descriptor interfac
staging: fbtft: Rectify GPIO handling
[ Upstream commit ec03c2104365ead0a33627c05e685093eed3eaef ]
The infamous commit c440eee1a7a1 ("Staging: staging: fbtft: Switch to the GPIO descriptor interface") broke GPIO handling completely. It has already four commits to rectify and it seems not enough. In order to fix the mess here we:
1) Set default to "inactive" for all requested pins
2) Fix CS#, RD#, and WR# pins polarity since it's active low and GPIO descriptor interface takes it into consideration from the Device Tree or ACPI
3) Consolidate chip activation (CS# assertion) under default ->reset() callback
To summarize the expectations about polarity for GPIOs:
RD# Low WR# Low CS# Low RESET# Low DC or RS High RW High Data 0 .. 15 High
See also Adafruit learning course [1] for the example of the schematics.
While at it, drop unneeded NULL checks, since GPIO API is tolerant to that.
[1]: https://learn.adafruit.com/adafruit-2-8-and-3-2-color-tft-touchscreen-breakout-v2/downloads
Fixes: 92e3e884887c ("Staging: fbtft: Fix GPIO handling") Fixes: b918d1c27066 ("Staging: fbtft: Fix reset assertion when using gpio descriptor") Fixes: dbc4f989c878 ("Staging: fbtft: Fix probing of gpio descriptor") Fixes: c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptor interface") Cc: Jan Sebastian Götte <linux@jaseg.net> Cc: Nishad Kamdar <nishadkamdar@gmail.com> Reviewed-by: Phil Reid <preid@electromag.com.au> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210503172114.27891-2-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Revision tags: v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10, v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42, v5.4.41, v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28, v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22, v5.4.21, v5.4.20, v5.4.19, v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14, v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6, v5.4.5, v5.4.4, v5.4.3, v5.3.15, v5.4.2, v5.4.1, v5.3.14, v5.4, v5.3.13, v5.3.12, v5.3.11, v5.3.10, v5.3.9, v5.3.8, v5.3.7, v5.3.6, v5.3.5, v5.3.4, v5.3.3, v5.3.2, v5.3.1, v5.3, v5.2.14, v5.3-rc8, v5.2.13, v5.2.12, v5.2.11, v5.2.10, v5.2.9, v5.2.8, v5.2.7, v5.2.6, v5.2.5, v5.2.4, v5.2.3, v5.2.2 |
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#
92e3e884 |
| 17-Jul-2019 |
Jan Sebastian Götte <linux@jaseg.net> |
Staging: fbtft: Fix GPIO handling
Commit c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptor interface") breaks GPIO handling. In several places, checks to only set a GPIO if it was configu
Staging: fbtft: Fix GPIO handling
Commit c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptor interface") breaks GPIO handling. In several places, checks to only set a GPIO if it was configured ended up backwards. I have tested this fix. The fixed driver works with a ili9486 display connected to a raspberry pi via SPI.
Fixes: c440eee1a7a1d ("Staging: fbtft: Switch to the gpio descriptor interface") Tested-by: Jan Sebastian Götte <linux@jaseg.net> Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Signed-off-by: Jan Sebastian Götte <linux@jaseg.net> Link: https://lore.kernel.org/r/75ada52f-afa1-08bc-d0ce-966fc1110e70@jaseg.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v5.2.1, v5.2, v5.1.16, v5.1.15, v5.1.14, v5.1.13, v5.1.12, v5.1.11, v5.1.10, v5.1.9, v5.1.8, v5.1.7, v5.1.6, v5.1.5, v5.1.4, v5.1.3, v5.1.2, v5.1.1, v5.0.14, v5.1, v5.0.13, v5.0.12, v5.0.11, v5.0.10, v5.0.9, v5.0.8, v5.0.7, v5.0.6, v5.0.5, v5.0.4, v5.0.3, v4.19.29, v5.0.2 |
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#
3f8e5931 |
| 13-Mar-2019 |
Bhagyashri Dighole <digholebhagyashri@gmail.com> |
staging: fbtft: line over 80 characters
Fix the checkpatch.pl warning WARNING: line over 80 characters
Signed-off-by: Bhagyashri Dighole <digholebhagyashri@gmail.com> Signed-off-by: Greg Kroah-Hart
staging: fbtft: line over 80 characters
Fix the checkpatch.pl warning WARNING: line over 80 characters
Signed-off-by: Bhagyashri Dighole <digholebhagyashri@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.19.28, v5.0.1, v4.19.27, v5.0, v4.19.26, v4.19.25, v4.19.24, v4.19.23, v4.19.22, v4.19.21, v4.19.20, v4.19.19, v4.19.18, v4.19.17, v4.19.16 |
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#
c440eee1 |
| 16-Jan-2019 |
Nishad Kamdar <nishadkamdar@gmail.com> |
Staging: fbtft: Switch to the gpio descriptor interface
This switches the fbtft driver to use GPIO descriptors rather than numerical gpios:
Utilize the GPIO library's intrinsic handling of OF GPIOs
Staging: fbtft: Switch to the gpio descriptor interface
This switches the fbtft driver to use GPIO descriptors rather than numerical gpios:
Utilize the GPIO library's intrinsic handling of OF GPIOs and polarity. If the line is flagged active low, gpiolib will deal with this.
Remove gpios from platform device structure. Neither assign statically numbers to gpios in platform device nor allow gpios to be parsed as module parameters.
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.19.15, v4.19.14, v4.19.13, v4.19.12, v4.19.11, v4.19.10, v4.19.9, v4.19.8, v4.19.7, v4.19.6, v4.19.5, v4.19.4, v4.18.20, v4.19.3, v4.18.19, v4.19.2, v4.18.18, v4.18.17, v4.19.1, v4.19, v4.18.16, v4.18.15, v4.18.14, v4.18.13, v4.18.12, v4.18.11, v4.18.10, v4.18.9, v4.18.7, v4.18.6, v4.18.5, v4.17.18, v4.18.4, v4.18.3, v4.17.17, v4.18.2, v4.17.16, v4.17.15, v4.18.1, v4.18, v4.17.14 |
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#
1315e8ba |
| 07-Aug-2018 |
Leonardo Brás <leobras.c@gmail.com> |
staging: fbtft: Erases some repetitive usage of function name - Style
Changes this functions to avoid using "blank" on debug twice. Improves log readability.
Signed-off-by: Leonardo Brás <leobras.c
staging: fbtft: Erases some repetitive usage of function name - Style
Changes this functions to avoid using "blank" on debug twice. Improves log readability.
Signed-off-by: Leonardo Brás <leobras.c@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.17.13, v4.17.12, v4.17.11, v4.17.10, v4.17.9, v4.17.8, v4.17.7, v4.17.6, v4.17.5, v4.17.4, v4.17.3, v4.17.2, v4.17.1, v4.17, v4.16, v4.15 |
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#
783de57c |
| 11-Jan-2018 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
staging: fbtft: add SPDX identifiers
It's good to have SPDX identifiers in all files to make it easier to audit the kernel tree for correct licenses.
Fix up the all of the staging fbtft drivers to
staging: fbtft: add SPDX identifiers
It's good to have SPDX identifiers in all files to make it easier to audit the kernel tree for correct licenses.
Fix up the all of the staging fbtft drivers to have a proper SPDX identifier, based on the license text in the file itself. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text.
This work is based on a script and data from Thomas Gleixner, Philippe Ombredanne, and Kate Stewart.
Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: Philippe Ombredanne <pombredanne@nexb.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.13.16, v4.14 |
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#
be077edb |
| 05-Nov-2017 |
Johannes H. Jensen <joh@pseudoberries.com> |
staging: fbtft: fb_ssd1331: fix mirrored display
When the row scan order is reversed (the default) we also need to reverse the column scan order. This was not done previously, resulting in a mirrore
staging: fbtft: fb_ssd1331: fix mirrored display
When the row scan order is reversed (the default) we also need to reverse the column scan order. This was not done previously, resulting in a mirrored display.
Also add support for 180 degree display rotation, in which case simply disable reversed row and column scan order.
Tested on an Adafruit 0.96" mini Color OLED display.
Signed-off-by: Johannes H. Jensen <joh@pseudoberries.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.13.5, v4.13, v4.12, v4.10.17, v4.10.16, v4.10.15, v4.10.14, v4.10.13, v4.10.12, v4.10.11, v4.10.10, v4.10.9, v4.10.8, v4.10.7, v4.10.6, v4.10.5, v4.10.4, v4.10.3, v4.10.2 |
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#
8c8a4186 |
| 04-Mar-2017 |
Alexander Kapshuk <alexander.kapshuk@gmail.com> |
staging/fbtft: Hush checkpatch.pl warning about unnecessary line continuations
Use a single string literal as the fmt argument passed to dev_err() instead of multiple string literals split with an e
staging/fbtft: Hush checkpatch.pl warning about unnecessary line continuations
Use a single string literal as the fmt argument passed to dev_err() instead of multiple string literals split with an embedded backslash character.
Signed-off-by: Alexander Kapshuk <alexander.kapshuk@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.10.1, v4.10 |
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#
307a0824 |
| 05-Feb-2017 |
Umang Raghuvanshi <u@umangis.me> |
staging: fbtft: fix unaligned parentheses
Fix the following formatting issues: CHECK: Alignment should match open parenthesis
Signed-off-by: Umang Raghuvanshi <u@umangis.me> Signed-off-by: Greg Kro
staging: fbtft: fix unaligned parentheses
Fix the following formatting issues: CHECK: Alignment should match open parenthesis
Signed-off-by: Umang Raghuvanshi <u@umangis.me> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#
22eb36b8 |
| 02-Feb-2017 |
Arnd Bergmann <arnd@arndb.de> |
staging: fbtft: change 'gamma' array to u32
Having a local variable of 1024 bytes on 64-bit architectures is a bit too much, and I ran into this warning while trying to see what functions use the la
staging: fbtft: change 'gamma' array to u32
Having a local variable of 1024 bytes on 64-bit architectures is a bit too much, and I ran into this warning while trying to see what functions use the largest stack:
drivers/staging/fbtft/fbtft-sysfs.c: In function 'store_gamma_curve': drivers/staging/fbtft/fbtft-sysfs.c:132:1: warning: the frame size of 1032 bytes is larger than 1024 bytes [-Wframe-larger-than=]
As there is no need for 64-bit gamma values (on 32-bit architectures, we don't use those either), I'm changing the type from 'unsigned long' to 'u32' here, which cuts the required space in half everywhere.
Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.9, openbmc-4.4-20161121-1, v4.4.33, v4.4.32, v4.4.31, v4.4.30, v4.4.29, v4.4.28, v4.4.27, v4.7.10, openbmc-4.4-20161021-1, v4.7.9, v4.4.26, v4.7.8, v4.4.25, v4.4.24, v4.7.7, v4.8, v4.4.23, v4.7.6, v4.7.5, v4.4.22, v4.4.21, v4.7.4, v4.7.3, v4.4.20 |
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#
ba6ed643 |
| 25-Aug-2016 |
Anson Jacob <ansonjacob.aj@gmail.com> |
staging: fbtft: fb_ssd1331: Fix checkpatch warning
Fix checkpatch.pl warning: Block comments use * on subsequent lines
Signed-off-by: Anson Jacob <ansonjacob.aj@gmail.com> Signed-off-by: Greg Kroah
staging: fbtft: fb_ssd1331: Fix checkpatch warning
Fix checkpatch.pl warning: Block comments use * on subsequent lines
Signed-off-by: Anson Jacob <ansonjacob.aj@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.7.2, v4.4.19, openbmc-4.4-20160819-1, v4.7.1, v4.4.18, v4.4.17, openbmc-4.4-20160804-1, v4.4.16, v4.7, openbmc-4.4-20160722-1, openbmc-20160722-1, openbmc-20160713-1, v4.4.15, v4.6.4, v4.6.3, v4.4.14, v4.6.2, v4.4.13, openbmc-20160606-1, v4.6.1, v4.4.12, openbmc-20160521-1, v4.4.11, openbmc-20160518-1, v4.6, v4.4.10, openbmc-20160511-1, openbmc-20160505-1, v4.4.9, v4.4.8, v4.4.7, openbmc-20160329-2, openbmc-20160329-1, openbmc-20160321-1, v4.4.6, v4.5, v4.4.5, v4.4.4, v4.4.3, openbmc-20160222-1, v4.4.2, openbmc-20160212-1, openbmc-20160210-1, openbmc-20160202-2, openbmc-20160202-1, v4.4.1, openbmc-20160127-1, openbmc-20160120-1, v4.4, openbmc-20151217-1, openbmc-20151210-1, openbmc-20151202-1, openbmc-20151123-1, openbmc-20151118-1, openbmc-20151104-1, v4.3, openbmc-20151102-1, openbmc-20151028-1 |
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#
f1092794 |
| 16-Oct-2015 |
Shivani Bhardwaj <shivanib134@gmail.com> |
Staging: fbtft: fb_ssd1331: Remove unnecessary cast
Compiler can typecast variables implicitly so, explicit type cast is not required and should be removed. Semantic patch used:
@@ type T; T e; ide
Staging: fbtft: fb_ssd1331: Remove unnecessary cast
Compiler can typecast variables implicitly so, explicit type cast is not required and should be removed. Semantic patch used:
@@ type T; T e; identifier x; @@
* T x = (T)e;
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#
64ffdc38 |
| 21-Sep-2015 |
Shraddha Barke <shraddha.6596@gmail.com> |
Staging: fbtft: Remove debug messages
Remove debug messages related to fbtft_par_dbg(DEBUG_INIT_DISPLAY.. ) as this info can be obtained using kernel function tracer
Signed-off-by: Shraddha Barke <
Staging: fbtft: Remove debug messages
Remove debug messages related to fbtft_par_dbg(DEBUG_INIT_DISPLAY.. ) as this info can be obtained using kernel function tracer
Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.3-rc1 |
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#
1014c2ce |
| 03-Sep-2015 |
Anish Bhatt <anish7@gmail.com> |
staging/fbtft : Fix multiple/missing blank line issues
Remove or add blank lines as recommended by checkpatch.pl
Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: Greg Kroah-Hartman <gr
staging/fbtft : Fix multiple/missing blank line issues
Remove or add blank lines as recommended by checkpatch.pl
Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#
e7322187 |
| 03-Sep-2015 |
Anish Bhatt <anish7@gmail.com> |
staging/fbtft : Remove repeated set_addr_win debug messages
fbtft_par_dbg(DEBUG_SET_ADDR_WIN.. ) is repeated in every set_addr_win() handler, this could be replicated by using the kernel function tr
staging/fbtft : Remove repeated set_addr_win debug messages
fbtft_par_dbg(DEBUG_SET_ADDR_WIN.. ) is repeated in every set_addr_win() handler, this could be replicated by using the kernel function tracer instead.
Signed-off-by: Anish Bhatt <anish@chelsio.com> Suggested-by: Greg KH <gregkh@linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.2, v4.2-rc8, v4.2-rc7, v4.2-rc6, v4.2-rc5, v4.2-rc4, v4.2-rc3, v4.2-rc2, v4.2-rc1, v4.1, v4.1-rc8, v4.1-rc7, v4.1-rc6, v4.1-rc5, v4.1-rc4, v4.1-rc3, v4.1-rc2, v4.1-rc1, v4.0, v4.0-rc7, v4.0-rc6, v4.0-rc5, v4.0-rc4, v4.0-rc3 |
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#
aed1c72e |
| 06-Mar-2015 |
Haneen Mohammed <hamohammed.sa@gmail.com> |
Staging: fbtft: clean dev_err() logging
This patch removes __func__ from dev_err. dev_err includes information about: (devcice, driver, specific instance of device, etc) in the log printout. This w
Staging: fbtft: clean dev_err() logging
This patch removes __func__ from dev_err. dev_err includes information about: (devcice, driver, specific instance of device, etc) in the log printout. This was done using Coccinelle, with the following semantic patch:
@a@ expression E, R; expression msg; @@
dev_err(E, msg, __func__, R);
@script:python b@ e << a.msg; y; @@
if(e.find("%s: ") == True): m = e.replace("%s: ", "", 1); coccinelle.y = m; elif(e.find("%s ") == True): m = e.replace("%s ", "", 1); coccinelle.y = m; elif(e.find("%s:") == True): m = e.replace("%s:", "", 1); coccinelle.y = m; else: m = e.replace("%s", "",1); coccinelle.y = m;
@c@ expression a.E, a.msg, a.R; identifier b.y; @@
- dev_err(E, msg, __func__, R); + dev_err(E, y, R);
Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.0-rc2, v4.0-rc1 |
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e64e0047 |
| 19-Feb-2015 |
Melike Yurtoglu <aysemelikeyurtoglu@gmail.com> |
Staging: fbtft: Convert comment from C99 style to C89 style
This patch fixes checkpatch.pl error ERROR: do not use C99 // comments
Signed-off-by: Melike Yurtoglu <aysemelikeyurtoglu@gmail.com> Sign
Staging: fbtft: Convert comment from C99 style to C89 style
This patch fixes checkpatch.pl error ERROR: do not use C99 // comments
Signed-off-by: Melike Yurtoglu <aysemelikeyurtoglu@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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0728b01c |
| 18-Feb-2015 |
Aya Mahfouz <mahfouz.saif.elyazal@gmail.com> |
staging: fbtft: fix braces {} are not necessary for single statement blocks
This patch fixes the following checkpatch.pl warning: braces {} are not necessary for single statement blocks
Signed-off-
staging: fbtft: fix braces {} are not necessary for single statement blocks
This patch fixes the following checkpatch.pl warning: braces {} are not necessary for single statement blocks
Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v3.19, v3.19-rc7, v3.19-rc6, v3.19-rc5, v3.19-rc4, v3.19-rc3 |
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dc746091 |
| 31-Dec-2014 |
Thomas Petazzoni <thomas.petazzoni@free-electrons.com> |
staging: fbtft: add fb_ssd1331 driver
This commit adds the fb_ssd1331 driver from the fbtft project at https://github.com/notro/fbtft.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electro
staging: fbtft: add fb_ssd1331 driver
This commit adds the fb_ssd1331 driver from the fbtft project at https://github.com/notro/fbtft.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Noralf Tronnes <notro@tronnes.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#
7a42f3c3 |
| 03-May-2021 |
Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
staging: fbtft: Rectify GPIO handling [ Upstream commit ec03c2104365ead0a33627c05e685093eed3eaef ] The infamous commit c440eee1a7a1 ("Staging: staging: fbtft: Switch to the GPIO
staging: fbtft: Rectify GPIO handling [ Upstream commit ec03c2104365ead0a33627c05e685093eed3eaef ] The infamous commit c440eee1a7a1 ("Staging: staging: fbtft: Switch to the GPIO descriptor interface") broke GPIO handling completely. It has already four commits to rectify and it seems not enough. In order to fix the mess here we: 1) Set default to "inactive" for all requested pins 2) Fix CS#, RD#, and WR# pins polarity since it's active low and GPIO descriptor interface takes it into consideration from the Device Tree or ACPI 3) Consolidate chip activation (CS# assertion) under default ->reset() callback To summarize the expectations about polarity for GPIOs: RD# Low WR# Low CS# Low RESET# Low DC or RS High RW High Data 0 .. 15 High See also Adafruit learning course [1] for the example of the schematics. While at it, drop unneeded NULL checks, since GPIO API is tolerant to that. [1]: https://learn.adafruit.com/adafruit-2-8-and-3-2-color-tft-touchscreen-breakout-v2/downloads Fixes: 92e3e884887c ("Staging: fbtft: Fix GPIO handling") Fixes: b918d1c27066 ("Staging: fbtft: Fix reset assertion when using gpio descriptor") Fixes: dbc4f989c878 ("Staging: fbtft: Fix probing of gpio descriptor") Fixes: c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptor interface") Cc: Jan Sebastian Götte <linux@jaseg.net> Cc: Nishad Kamdar <nishadkamdar@gmail.com> Reviewed-by: Phil Reid <preid@electromag.com.au> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210503172114.27891-2-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Revision tags: v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10, v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42, v5.4.41, v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28, v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22, v5.4.21, v5.4.20, v5.4.19, v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14, v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6, v5.4.5, v5.4.4, v5.4.3, v5.3.15, v5.4.2, v5.4.1, v5.3.14, v5.4, v5.3.13, v5.3.12, v5.3.11, v5.3.10, v5.3.9, v5.3.8, v5.3.7, v5.3.6, v5.3.5, v5.3.4, v5.3.3, v5.3.2, v5.3.1, v5.3, v5.2.14, v5.3-rc8, v5.2.13, v5.2.12, v5.2.11, v5.2.10, v5.2.9, v5.2.8, v5.2.7, v5.2.6, v5.2.5, v5.2.4, v5.2.3, v5.2.2 |
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#
92e3e884 |
| 17-Jul-2019 |
Jan Sebastian Götte <linux@jaseg.net> |
Staging: fbtft: Fix GPIO handling Commit c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptor interface") breaks GPIO handling. In several places, checks to only set a GPIO i
Staging: fbtft: Fix GPIO handling Commit c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptor interface") breaks GPIO handling. In several places, checks to only set a GPIO if it was configured ended up backwards. I have tested this fix. The fixed driver works with a ili9486 display connected to a raspberry pi via SPI. Fixes: c440eee1a7a1d ("Staging: fbtft: Switch to the gpio descriptor interface") Tested-by: Jan Sebastian Götte <linux@jaseg.net> Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Signed-off-by: Jan Sebastian Götte <linux@jaseg.net> Link: https://lore.kernel.org/r/75ada52f-afa1-08bc-d0ce-966fc1110e70@jaseg.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v5.2.1, v5.2, v5.1.16, v5.1.15, v5.1.14, v5.1.13, v5.1.12, v5.1.11, v5.1.10, v5.1.9, v5.1.8, v5.1.7, v5.1.6, v5.1.5, v5.1.4, v5.1.3, v5.1.2, v5.1.1, v5.0.14, v5.1, v5.0.13, v5.0.12, v5.0.11, v5.0.10, v5.0.9, v5.0.8, v5.0.7, v5.0.6, v5.0.5, v5.0.4, v5.0.3, v4.19.29, v5.0.2 |
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3f8e5931 |
| 13-Mar-2019 |
Bhagyashri Dighole <digholebhagyashri@gmail.com> |
staging: fbtft: line over 80 characters Fix the checkpatch.pl warning WARNING: line over 80 characters Signed-off-by: Bhagyashri Dighole <digholebhagyashri@gmail.com> Signed
staging: fbtft: line over 80 characters Fix the checkpatch.pl warning WARNING: line over 80 characters Signed-off-by: Bhagyashri Dighole <digholebhagyashri@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.19.28, v5.0.1, v4.19.27, v5.0, v4.19.26, v4.19.25, v4.19.24, v4.19.23, v4.19.22, v4.19.21, v4.19.20, v4.19.19, v4.19.18, v4.19.17, v4.19.16 |
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#
c440eee1 |
| 16-Jan-2019 |
Nishad Kamdar <nishadkamdar@gmail.com> |
Staging: fbtft: Switch to the gpio descriptor interface This switches the fbtft driver to use GPIO descriptors rather than numerical gpios: Utilize the GPIO library's intrinsic
Staging: fbtft: Switch to the gpio descriptor interface This switches the fbtft driver to use GPIO descriptors rather than numerical gpios: Utilize the GPIO library's intrinsic handling of OF GPIOs and polarity. If the line is flagged active low, gpiolib will deal with this. Remove gpios from platform device structure. Neither assign statically numbers to gpios in platform device nor allow gpios to be parsed as module parameters. Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.19.15, v4.19.14, v4.19.13, v4.19.12, v4.19.11, v4.19.10, v4.19.9, v4.19.8, v4.19.7, v4.19.6, v4.19.5, v4.19.4, v4.18.20, v4.19.3, v4.18.19, v4.19.2, v4.18.18, v4.18.17, v4.19.1, v4.19, v4.18.16, v4.18.15, v4.18.14, v4.18.13, v4.18.12, v4.18.11, v4.18.10, v4.18.9, v4.18.7, v4.18.6, v4.18.5, v4.17.18, v4.18.4, v4.18.3, v4.17.17, v4.18.2, v4.17.16, v4.17.15, v4.18.1, v4.18, v4.17.14 |
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#
1315e8ba |
| 07-Aug-2018 |
Leonardo Brás <leobras.c@gmail.com> |
staging: fbtft: Erases some repetitive usage of function name - Style Changes this functions to avoid using "blank" on debug twice. Improves log readability. Signed-off-by: Leonardo
staging: fbtft: Erases some repetitive usage of function name - Style Changes this functions to avoid using "blank" on debug twice. Improves log readability. Signed-off-by: Leonardo Brás <leobras.c@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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