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Nothing about this comment identifies it as a kerneldoc header.
They're missing all of their struct's property descriptions and
the correct 'struct *' header.
Fixes the following W=1 warning(s):
drivers/regulator/cpcap-regulator.c:99: warning: cannot understand function prototype: 'struct cpcap_regulator '
drivers/regulator/cpcap-regulator.c:337: warning: cannot understand function prototype: 'const struct cpcap_regulator omap4_regulators[] = '
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200625163614.4001403-9-lee.jones@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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'ignore'
It's okay to not check the return value that you're not conserned
about, however it is not okay to assign a variable and not check or
use the result.
Fixes W=1 warnings(s):
drivers/regulator/cpcap-regulator.c:172:13: warning: variable ‘ignore’ set but not used [-Wunused-but-set-variable]
172 | int error, ignore;
| ^~~~~~
drivers/regulator/cpcap-regulator.c: In function ‘cpcap_regulator_disable’:
drivers/regulator/cpcap-regulator.c:196:13: warning: variable ‘ignore’ set but not used [-Wunused-but-set-variable]
196 | int error, ignore;
| ^~~~~~
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200625163614.4001403-8-lee.jones@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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cpcap_regulator_ops is not modified and can be made const to allow the
compiler to put it in read-only memory.
Before:
text data bss dec hex filename
14472 236 0 14708 3974 drivers/regulator/cpcap-regulator.o
After:
text data bss dec hex filename
14604 104 0 14708 3974 drivers/regulator/cpcap-regulator.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200617223247.25566-3-rikard.falkeborn@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use of_device_get_match_data to simplify the code a bit.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This driver is using regulator core's simplified DT parsing code,
so regulator will call regulator_of_get_init_data() to get init_data.
No need to set config.init_data. In additional, current code does not
properly set the init_data setting, so just remove it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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They should never change, make them const.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This driver uses regulator_get/set_voltage_sel_regmap so it does not use
vsel_shift. Actually, vsel_shift can be calculated by vsel_mask setting.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Added support for the CPCAP power management regulator functions on
Tegra based Motorola Xoom devices.
Added sw2_sw4 value tables, which provide power to the Tegra core and
aux devices.
Added the Xoom init tables and device tree compatibility match.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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SW2 and SW4 use a shared table to provide voltage to the cpu core and
devices on Tegra hardware.
Added this table to the cpcap regulator driver as the first step to
supporting this device on Tegra.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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In of_get_regulation_constraints() we were taking the result of
of_map_mode() (an unsigned int) and assigning it to an int. We were
then checking whether this value was -EINVAL. Some implementers of
of_map_mode() were returning -EINVAL (even though the return type of
their function needed to be unsigned int) because they needed to
signal an error back to of_get_regulation_constraints().
In general in the regulator framework the mode is always referred to
as an unsigned int. While we could fix this to be a signed int (the
highest value we store in there right now is 0x8), it's actually
pretty clean to just define the regulator mode 0x0 (the lack of any
bits set) as an invalid mode. Let's do that.
Fixes: 5e5e3a42c653 ("regulator: of: Add support for parsing initial and suspend modes")
Suggested-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add device tree mode mapping capabilities to the cpcap driver.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The original patch from Tony uses standby mode bit inverted, which is
not correct. This fixes all instances in the driver code for get & set
mode. This did not yet make problems, since mode has not been changed
by any mainline driver so far.
Fixes: 0ad4c07edd41 ("regulator: cpcap: Add basic regulator support")
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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Many Motorola phones like droid 4 are using a custom PMIC called CPCAP
or 6556002. This PMIC is used with several SoCs, I've noticed at least
omap3, omap4 and Tegra2 based Motorola phones and tablets using it.
Cc: devicetree@vger.kernel.org
Cc: Marcel Partap <mpartap@gmx.net>
Cc: Michael Scott <michael.scott@linaro.org>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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