greybus-dev

greybus-dev@lists.linaro.org

4 participants
756 discussions

[PATCH v2 1/1] staging: greybus: Remove completed PWM TODO item.

by Sammy Malik

The pwm.c driver already uses pwm_ops::apply. This item was completed in commit 832ce36f44a2 ("staging: greybus: introduce pwm_ops::apply") but never removed from the TODO list. Removed the outdated TODO item. Signed-off-by: Sammy Malik <sammy(a)parkour.is> --- Changes in v2: - Added commit reference 832ce36f44a2 that originally implemented pwm_ops::apply - Fixed typos: PWN -> PWM, pwn_ops -> pwm_ops drivers/staging/greybus/TODO | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/staging/greybus/TODO b/drivers/staging/greybus/TODO index 6461e0132fe3..31f1f2cb401c 100644 --- a/drivers/staging/greybus/TODO +++ b/drivers/staging/greybus/TODO @@ -1,5 +1,3 @@ * Convert all uses of the old GPIO API from <linux/gpio.h> to the GPIO descriptor API in <linux/gpio/consumer.h> and look up GPIO lines from device tree or ACPI. -* Make pwm.c use the struct pwm_ops::apply instead of ::config, ::set_polarity, - ::enable and ::disable. -- 2.52.0

3 months, 2 weeks

[PATCH 0/3] staging: greybus: arche-platform: fix probe issues

by Johan Hovold

This series fixes some issues with the arche platform drivers probe function. A fix for the first issue was sent to the list two months ago, but there has been no reply to the review feedback given then. Non of these are tagged for stable backport as very few people should have the hardware in question and be bothered by this. Johan Johan Hovold (3): staging: greybus: arche-platform: fix coldboot probe error path staging: greybus: arche-platform: fix memleak on probe failure staging: greybus: arche-platform: fix OF populate on driver rebind drivers/staging/greybus/arche-platform.c | 23 ++++++++--------------- 1 file changed, 8 insertions(+), 15 deletions(-) -- 2.51.2

3 months, 2 weeks

[PATCH] staging: greybus: Remove completed PWN TODO item.

by Sammy Malik

The pwm.c driver already uses pwn_ops::apply. This item was completed but never removed. Removed the outdated TODO item. Signed-off-by: Sammy Malik <sammy(a)parkour.is> --- drivers/staging/greybus/TODO | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/staging/greybus/TODO b/drivers/staging/greybus/TODO index 6461e0132fe3..31f1f2cb401c 100644 --- a/drivers/staging/greybus/TODO +++ b/drivers/staging/greybus/TODO @@ -1,5 +1,3 @@ * Convert all uses of the old GPIO API from <linux/gpio.h> to the GPIO descriptor API in <linux/gpio/consumer.h> and look up GPIO lines from device tree or ACPI. -* Make pwm.c use the struct pwm_ops::apply instead of ::config, ::set_polarity, - ::enable and ::disable. -- 2.52.0

3 months, 2 weeks

[PATCH v6] staging: greybus: arche-apb-ctrl: switch to device_property_read_bool

by Julio Cesar Carvalho de Paula Souza

Switch from the deprecated of_property_read_bool() to the common device_property_read_bool() API. This makes the driver agnostic to the underlying firmware interface (DT or ACPI) and simplifies the logic. Since the driver is no longer strictly dependent on Device Tree, include <linux/mod_devicetable.h> directly for the struct of_device_id definition, instead of relying on implicit inclusion via <linux/of_irq.h>, which has been removed as it is unused. Also rename apb_ctrl_get_devtree_data() to apb_ctrl_get_fw_data() to better reflect the agnostic nature of the new implementation. Signed-off-by: Julio Cesar Carvalho de Paula Souza <julio191096(a)gmail.com> --- Changes in v6: - Aligned function arguments with the open parenthesis in function declaration. Changes in v5: - Fixed 'From' header mismatch(updated git config user.name) - Fixed indentation aligment in function declaration as pointed out by Dan Carpenter Changes in v4: - Fixed a typo in the v3 commit Changes in v3: - Added changelog history as requested by the maintainer bot. Changes in v2: - Shortened the subject line to match subsystem standards. - Updated Signed-off-by to use full real name. drivers/staging/greybus/arche-apb-ctrl.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/staging/greybus/arche-apb-ctrl.c b/drivers/staging/greybus/arche-apb-ctrl.c index 90ab32638d3f..33f26a65f0cc 100644 --- a/drivers/staging/greybus/arche-apb-ctrl.c +++ b/drivers/staging/greybus/arche-apb-ctrl.c @@ -10,13 +10,14 @@ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/interrupt.h> -#include <linux/of_irq.h> #include <linux/module.h> #include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/pm.h> +#include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/spinlock.h> +#include <linux/mod_devicetable.h> #include "arche_platform.h" static void apb_bootret_deassert(struct device *dev); @@ -314,8 +315,8 @@ static ssize_t state_show(struct device *dev, static DEVICE_ATTR_RW(state); -static int apb_ctrl_get_devtree_data(struct platform_device *pdev, - struct arche_apb_ctrl_drvdata *apb) +static int apb_ctrl_get_fw_data(struct platform_device *pdev, + struct arche_apb_ctrl_drvdata *apb) { struct device *dev = &pdev->dev; int ret; @@ -378,7 +379,7 @@ static int apb_ctrl_get_devtree_data(struct platform_device *pdev, } /* Only applicable for platform >= V2 */ - if (of_property_read_bool(pdev->dev.of_node, "gb,spi-en-active-high")) + if (device_property_read_bool(&pdev->dev, "gb,spi-en-active-high")) apb->spi_en_polarity_high = true; return 0; @@ -394,7 +395,7 @@ static int arche_apb_ctrl_probe(struct platform_device *pdev) if (!apb) return -ENOMEM; - ret = apb_ctrl_get_devtree_data(pdev, apb); + ret = apb_ctrl_get_fw_data(pdev, apb); if (ret) { dev_err(dev, "failed to get apb devicetree data %d\n", ret); return ret; @@ -403,7 +404,7 @@ static int arche_apb_ctrl_probe(struct platform_device *pdev) /* Initially set APB to OFF state */ apb->state = ARCHE_PLATFORM_STATE_OFF; /* Check whether device needs to be enabled on boot */ - if (of_property_read_bool(pdev->dev.of_node, "arche,init-disable")) + if (device_property_read_bool(&pdev->dev, "arche,init-disable")) apb->init_disabled = true; platform_set_drvdata(pdev, apb); -- 2.52.0

4 months

[PATCH v5] staging: greybus: arche-apb-ctrl: switch to device_property_read_bool

by Julio Cesar Carvalho de Paula Souza

Switch from the deprecated of_property_read_bool() to the common device_property_read_bool() API. This makes the driver agnostic to the underlying firmware interface (DT or ACPI) and simplifies the logic. Since the driver is no longer strictly dependent on Device Tree, include <linux/mod_devicetable.h> directly for the struct of_device_id definition, instead of relying on implicit inclusion via <linux/of_irq.h>, which has been removed as it is unused. Also rename apb_ctrl_get_devtree_data() to apb_ctrl_get_fw_data() to better reflect the agnostic nature of the new implementation. Signed-off-by: Julio Cesar Carvalho de Paula Souza <julio191096(a)gmail.com> --- Changes in v5: - Fixed 'From' header mismatch(updated git config user.name) - Fixed indentation aligment in function declaration as pointed out by Dan Carpenter Changes in v4: - Fixed a typo in the v3 commit Changes in v3: - Added changelog history as requested by the maintainer bot. Changes in v2: - Shortened the subject line to match subsystem standards. - Updated Signed-off-by to use full real name. drivers/staging/greybus/arche-apb-ctrl.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/staging/greybus/arche-apb-ctrl.c b/drivers/staging/greybus/arche-apb-ctrl.c index 90ab32638d3f..6a4efa9a9e0e 100644 --- a/drivers/staging/greybus/arche-apb-ctrl.c +++ b/drivers/staging/greybus/arche-apb-ctrl.c @@ -10,13 +10,14 @@ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/interrupt.h> -#include <linux/of_irq.h> #include <linux/module.h> #include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/pm.h> +#include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/spinlock.h> +#include <linux/mod_devicetable.h> #include "arche_platform.h" static void apb_bootret_deassert(struct device *dev); @@ -314,8 +315,8 @@ static ssize_t state_show(struct device *dev, static DEVICE_ATTR_RW(state); -static int apb_ctrl_get_devtree_data(struct platform_device *pdev, - struct arche_apb_ctrl_drvdata *apb) +static int apb_ctrl_get_fw_data(struct platform_device *pdev, + struct arche_apb_ctrl_drvdata *apb) { struct device *dev = &pdev->dev; int ret; @@ -378,7 +379,7 @@ static int apb_ctrl_get_devtree_data(struct platform_device *pdev, } /* Only applicable for platform >= V2 */ - if (of_property_read_bool(pdev->dev.of_node, "gb,spi-en-active-high")) + if (device_property_read_bool(&pdev->dev, "gb,spi-en-active-high")) apb->spi_en_polarity_high = true; return 0; @@ -394,7 +395,7 @@ static int arche_apb_ctrl_probe(struct platform_device *pdev) if (!apb) return -ENOMEM; - ret = apb_ctrl_get_devtree_data(pdev, apb); + ret = apb_ctrl_get_fw_data(pdev, apb); if (ret) { dev_err(dev, "failed to get apb devicetree data %d\n", ret); return ret; @@ -403,7 +404,7 @@ static int arche_apb_ctrl_probe(struct platform_device *pdev) /* Initially set APB to OFF state */ apb->state = ARCHE_PLATFORM_STATE_OFF; /* Check whether device needs to be enabled on boot */ - if (of_property_read_bool(pdev->dev.of_node, "arche,init-disable")) + if (device_property_read_bool(&pdev->dev, "arche,init-disable")) apb->init_disabled = true; platform_set_drvdata(pdev, apb); -- 2.52.0

4 months

[PATCH v4] staging: greybus: arche-apb-ctrl: switch to device_property_read_bool

by Julioccps

Switch from the deprecated of_property_read_bool() to the common device_property_read_bool() API. This makes the driver agnostic to the underlying firmware interface (DT or ACPI) and simplifies the logic. Since the driver is no longer strictly dependent on Device Tree, include <linux/mod_devicetable.h> directly for the struct of_device_id definition, instead of relying on implicit inclusion via <linux/of_irq.h>, which has been removed as it is unused. Also rename apb_ctrl_get_devtree_data() to apb_ctrl_get_fw_data() to better reflect the agnostic nature of the new implementation. Signed-off-by: Julio Cesar Carvalho de Paula Souza <julio191096(a)gmail.com> --- Changes in v4: - Fixed a typo in the v3 commit Changes in v3: - Added changelog history as requested by the maintainer bot. Changes in v2: - Shortened the subject line to match subsystem standards. - Updated Signed-off-by to use full real name. drivers/staging/greybus/arche-apb-ctrl.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/staging/greybus/arche-apb-ctrl.c b/drivers/staging/greybus/arche-apb-ctrl.c index 90ab32638d3f..eea9648a461c 100644 --- a/drivers/staging/greybus/arche-apb-ctrl.c +++ b/drivers/staging/greybus/arche-apb-ctrl.c @@ -10,13 +10,14 @@ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/interrupt.h> -#include <linux/of_irq.h> #include <linux/module.h> #include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/pm.h> +#include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/spinlock.h> +#include <linux/mod_devicetable.h> #include "arche_platform.h" static void apb_bootret_deassert(struct device *dev); @@ -314,7 +315,7 @@ static ssize_t state_show(struct device *dev, static DEVICE_ATTR_RW(state); -static int apb_ctrl_get_devtree_data(struct platform_device *pdev, +static int apb_ctrl_get_fw_data(struct platform_device *pdev, struct arche_apb_ctrl_drvdata *apb) { struct device *dev = &pdev->dev; @@ -378,7 +379,7 @@ static int apb_ctrl_get_devtree_data(struct platform_device *pdev, } /* Only applicable for platform >= V2 */ - if (of_property_read_bool(pdev->dev.of_node, "gb,spi-en-active-high")) + if (device_property_read_bool(&pdev->dev, "gb,spi-en-active-high")) apb->spi_en_polarity_high = true; return 0; @@ -394,7 +395,7 @@ static int arche_apb_ctrl_probe(struct platform_device *pdev) if (!apb) return -ENOMEM; - ret = apb_ctrl_get_devtree_data(pdev, apb); + ret = apb_ctrl_get_fw_data(pdev, apb); if (ret) { dev_err(dev, "failed to get apb devicetree data %d\n", ret); return ret; @@ -403,7 +404,7 @@ static int arche_apb_ctrl_probe(struct platform_device *pdev) /* Initially set APB to OFF state */ apb->state = ARCHE_PLATFORM_STATE_OFF; /* Check whether device needs to be enabled on boot */ - if (of_property_read_bool(pdev->dev.of_node, "arche,init-disable")) + if (device_property_read_bool(&pdev->dev, "arche,init-disable")) apb->init_disabled = true; platform_set_drvdata(pdev, apb); -- 2.52.0

4 months

[PATCH v3] staging: greybus: arche-apb-ctrl: switch to device_property_read_bool

by Julioccps

Switch from the deprecated of_property_read_bool() to the common device_property_read_bool() API. This makes the driver agnostic to the underlying firmware interface (DT or ACPI) and simplifies the logic. Since the driver is no longer strictly dependent on Device Tree, include <linux/mod_devicetable.h> directly for the struct of_device_id definition, instead of relying on implicit inclusion via <linux/of_irq.h>, which has been removed as it is unused. Also rename apb_ctrl_get_devtree_data() to apb_ctrl_get_fw_data() to better reflect the agnostic nature of the new implementation. Signed-off-by: Julio Cesar Carvalho de Paula Souza <julio191096(a)gmail.com> --- hanges in v3: - Added version history (changelog) required by the subsystem maintainer. Changes in v2: - Updated the subject line to match the subsystem standard. - Updated Signed-off-by to use full real name. drivers/staging/greybus/arche-apb-ctrl.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/staging/greybus/arche-apb-ctrl.c b/drivers/staging/greybus/arche-apb-ctrl.c index 90ab32638d3f..eea9648a461c 100644 --- a/drivers/staging/greybus/arche-apb-ctrl.c +++ b/drivers/staging/greybus/arche-apb-ctrl.c @@ -10,13 +10,14 @@ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/interrupt.h> -#include <linux/of_irq.h> #include <linux/module.h> #include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/pm.h> +#include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/spinlock.h> +#include <linux/mod_devicetable.h> #include "arche_platform.h" static void apb_bootret_deassert(struct device *dev); @@ -314,7 +315,7 @@ static ssize_t state_show(struct device *dev, static DEVICE_ATTR_RW(state); -static int apb_ctrl_get_devtree_data(struct platform_device *pdev, +static int apb_ctrl_get_fw_data(struct platform_device *pdev, struct arche_apb_ctrl_drvdata *apb) { struct device *dev = &pdev->dev; @@ -378,7 +379,7 @@ static int apb_ctrl_get_devtree_data(struct platform_device *pdev, } /* Only applicable for platform >= V2 */ - if (of_property_read_bool(pdev->dev.of_node, "gb,spi-en-active-high")) + if (device_property_read_bool(&pdev->dev, "gb,spi-en-active-high")) apb->spi_en_polarity_high = true; return 0; @@ -394,7 +395,7 @@ static int arche_apb_ctrl_probe(struct platform_device *pdev) if (!apb) return -ENOMEM; - ret = apb_ctrl_get_devtree_data(pdev, apb); + ret = apb_ctrl_get_fw_data(pdev, apb); if (ret) { dev_err(dev, "failed to get apb devicetree data %d\n", ret); return ret; @@ -403,7 +404,7 @@ static int arche_apb_ctrl_probe(struct platform_device *pdev) /* Initially set APB to OFF state */ apb->state = ARCHE_PLATFORM_STATE_OFF; /* Check whether device needs to be enabled on boot */ - if (of_property_read_bool(pdev->dev.of_node, "arche,init-disable")) + if (device_property_read_bool(&pdev->dev, "arche,init-disable")) apb->init_disabled = true; platform_set_drvdata(pdev, apb); -- 2.52.0

4 months

[PATCH v2] staging: greybus: arche-apb-ctrl: switch to device_property_read_bool

by Julioccps

Switch from the deprecated of_property_read_bool() to the common device_property_read_bool() API. This makes the driver agnostic to the underlying firmware interface (DT or ACPI) and simplifies the logic. Since the driver is no longer strictly dependent on Device Tree, include <linux/mod_devicetable.h> directly for the struct of_device_id definition, instead of relying on implicit inclusion via <linux/of_irq.h>, which has been removed as it is unused. Also rename apb_ctrl_get_devtree_data() to apb_ctrl_get_fw_data() to better reflect the agnostic nature of the new implementation. Signed-off-by: Julio Cesar Carvalho de Paula Souza <julio191096(a)gmail.com> --- drivers/staging/greybus/arche-apb-ctrl.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/staging/greybus/arche-apb-ctrl.c b/drivers/staging/greybus/arche-apb-ctrl.c index 90ab32638d3f..eea9648a461c 100644 --- a/drivers/staging/greybus/arche-apb-ctrl.c +++ b/drivers/staging/greybus/arche-apb-ctrl.c @@ -10,13 +10,14 @@ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/interrupt.h> -#include <linux/of_irq.h> #include <linux/module.h> #include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/pm.h> +#include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/spinlock.h> +#include <linux/mod_devicetable.h> #include "arche_platform.h" static void apb_bootret_deassert(struct device *dev); @@ -314,7 +315,7 @@ static ssize_t state_show(struct device *dev, static DEVICE_ATTR_RW(state); -static int apb_ctrl_get_devtree_data(struct platform_device *pdev, +static int apb_ctrl_get_fw_data(struct platform_device *pdev, struct arche_apb_ctrl_drvdata *apb) { struct device *dev = &pdev->dev; @@ -378,7 +379,7 @@ static int apb_ctrl_get_devtree_data(struct platform_device *pdev, } /* Only applicable for platform >= V2 */ - if (of_property_read_bool(pdev->dev.of_node, "gb,spi-en-active-high")) + if (device_property_read_bool(&pdev->dev, "gb,spi-en-active-high")) apb->spi_en_polarity_high = true; return 0; @@ -394,7 +395,7 @@ static int arche_apb_ctrl_probe(struct platform_device *pdev) if (!apb) return -ENOMEM; - ret = apb_ctrl_get_devtree_data(pdev, apb); + ret = apb_ctrl_get_fw_data(pdev, apb); if (ret) { dev_err(dev, "failed to get apb devicetree data %d\n", ret); return ret; @@ -403,7 +404,7 @@ static int arche_apb_ctrl_probe(struct platform_device *pdev) /* Initially set APB to OFF state */ apb->state = ARCHE_PLATFORM_STATE_OFF; /* Check whether device needs to be enabled on boot */ - if (of_property_read_bool(pdev->dev.of_node, "arche,init-disable")) + if (device_property_read_bool(&pdev->dev, "arche,init-disable")) apb->init_disabled = true; platform_set_drvdata(pdev, apb); -- 2.52.0

4 months

[RFC PATCH v2 00/12] greybus: introduce CPC as transport layer

by Damien Riégel

Hi, This patchset brings support for Silicon Labs' CPC (Co-Processor Communication) protocol as transport layer for Greybus. This is introduced as a module that sits between Greybus and CPC Host Device Driver implementations, like SDIO or SPI, which are not part of this RFC. If there's no push back with this RFC, the final patchset ready for upstream will include the SDIO driver. The goal of this module is to implement some of the features of Unipro that Greybus relies upon, like reliable transmission. CPC takes care of detecting transmission errors and retransmit frames if necessary. That feature is not part of the RFC to keep it concise, but it's planned for a future patchset. There's also a flow-control feature, to prevent from sending messages to cports that don't have anymore room. In order to implement these features, a 4-byte header is prepended to Greybus messages, making the whole header 12 bytes (Greybus header itself being 8 bytes). This RFC starts by implementing a shim layer that sits between physical bus drivers (like SDIO and SPI) and Greybus, and progressively add more elements to it to make it useful in its own right. +----------------------------------------------------+ | Greybus | +----------------------------------------------------+ /|\ | \|/ +----------------------------------------------------+ | CPC | +----------------------------------------------------+ /|\ /|\ /|\ | | | \|/ \|/ \|/ +----------+ +---------+ +-----------+ | SDIO | | SPI | | Others | +----------+ +---------+ +-----------+ Changes in v2: - v1 included a new protocol for Bluetooth HCI, this has been dropped to focus on CPC itself - likewise, there was an SPI driver, it has been dropped of this RFC for the same reason - v1 introduced CPC in a big commit, this time it's been split in smaller commits to make review manageable Damien Riégel (12): greybus: cpc: add minimal CPC Host Device infrastructure greybus: cpc: introduce CPC cport structure greybus: cpc: use socket buffers instead of gb_message in TX path greybus: cpc: pack cport ID in Greybus header greybus: cpc: switch RX path to socket buffers greybus: cpc: introduce CPC header structure greybus: cpc: account for CPC header size in RX and TX path greybus: cpc: add and validate sequence numbers greybus: cpc: acknowledge all incoming messages greybus: cpc: use holding queue instead of sending out immediately greybus: cpc: honour remote's RX window greybus: cpc: let host device drivers dequeue TX frames MAINTAINERS | 6 + drivers/greybus/Kconfig | 2 + drivers/greybus/Makefile | 2 + drivers/greybus/cpc/Kconfig | 10 ++ drivers/greybus/cpc/Makefile | 6 + drivers/greybus/cpc/cpc.h | 76 +++++++++ drivers/greybus/cpc/cport.c | 107 ++++++++++++ drivers/greybus/cpc/header.c | 146 +++++++++++++++++ drivers/greybus/cpc/header.h | 54 +++++++ drivers/greybus/cpc/host.c | 287 +++++++++++++++++++++++++++++++++ drivers/greybus/cpc/host.h | 58 +++++++ drivers/greybus/cpc/protocol.c | 169 +++++++++++++++++++ 12 files changed, 923 insertions(+) create mode 100644 drivers/greybus/cpc/Kconfig create mode 100644 drivers/greybus/cpc/Makefile create mode 100644 drivers/greybus/cpc/cpc.h create mode 100644 drivers/greybus/cpc/cport.c create mode 100644 drivers/greybus/cpc/header.c create mode 100644 drivers/greybus/cpc/header.h create mode 100644 drivers/greybus/cpc/host.c create mode 100644 drivers/greybus/cpc/host.h create mode 100644 drivers/greybus/cpc/protocol.c -- 2.49.0

4 months

[PATCH 00/13] staging: greybus: cleanup, FIXME removals, and driver correctness fixes

by Ayaan Mirza Baig

Hi Greg and all, This series performs a set of cleanups, correctness fixes, and remaining TODO removals across the Greybus drivers in drivers/staging/greybus. Greybus has existed in staging for a long time, and many FIXMEs, outdated comments, and partial implementations had accumulated over the years. While reviewing and compile-testing the drivers I found a number of places where the comments were obsolete, logic was incomplete, or newer subsystem APIs had evolved. This series addresses those issues without changing any fundamental design or architecture. All changes are self-contained, straightforward, and focues on improving correctness and maintainability. The patches include: * Removal of obsolete FIXMEs that no longer reflect the current code or hardware behavior. * Correctness fixes in several protocol drivers (UART, RAW, USB, Loopback, Firmware core, Audio). * Small improvements to error handling and shutdown paths. * Cleanup of commented-out or dead code. * Removal of the now-completed GPIO and PWM TODO items. * Removal of the empty Greybus TODO file. All patches were compile-tested with COMPILE_TEST=y and all Greybus options enabled. Runtime smoke testing was performed where possible. This series does not attempt to graduate Greybus out of staging; these changes are preparatory cleanups only. Thanks for your time and review. Ayaan Mirza Baig (13): staging: greybus: Remove completed GPIO conversion TODO item staging: greybus: pwm: move activation into pwm apply and remove request() staging: greybus: remove empty TODO file staging: greybus: audio: remove obsolete INPUT_PROP_NO_DUMMY_RELEASE FIXME staging: greybus: audio: remove obsolete FIXME and document topology ownership staging: greybus: bootrom: remove obsolete FIXME about SVC parallel event handling staging: greybus: bootrom: remove obsolete FIXME around firmware filename logging staging: greybus: fw-core: remove obsolete S2 Loader runtime PM FIXME staging: greybus: loopback: remove incorrect FIXME about async wait staging: greybus: raw: handle disconnect while chardev is open staging: greybus: uart: clear unsupported termios bits staging: greybus: usb: validate hub control response length staging: greybus: usb: remove obsolete FIXME about bridged-PHY support drivers/staging/greybus/TODO | 5 ----- drivers/staging/greybus/audio_codec.c | 7 +------ drivers/staging/greybus/audio_module.c | 6 ++++-- drivers/staging/greybus/bootrom.c | 10 ++-------- drivers/staging/greybus/fw-core.c | 4 ++-- drivers/staging/greybus/loopback.c | 6 +----- drivers/staging/greybus/pwm.c | 19 +++++++++++-------- drivers/staging/greybus/raw.c | 18 ++++++++++++++++-- drivers/staging/greybus/uart.c | 10 ++++++++-- drivers/staging/greybus/usb.c | 23 ++++++++--------------- 10 files changed, 53 insertions(+), 55 deletions(-) delete mode 100644 drivers/staging/greybus/TODO -- 2.51.0

4 months, 1 week

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