greybus-dev

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578 discussions

[PATCH v2] staging: greybus: fix more header declarations

by Rui Miguel Silva

More headers needed to be fixed when moving greybus out of staging and enabling the COMPILE_TEST option. Add forward declarations for the needed structures. Reported-by: kbuild test robot <lkp(a)intel.com> Signed-off-by: Rui Miguel Silva <rui.silva(a)linaro.org> --- v1->v2: Johan Hovold: - use forward declarations instead including all headers include/linux/greybus/operation.h | 2 +- include/linux/greybus/svc.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/greybus/operation.h b/include/linux/greybus/operation.h index 8ca864bba23e..cb8e4ef45222 100644 --- a/include/linux/greybus/operation.h +++ b/include/linux/greybus/operation.h @@ -15,7 +15,7 @@ #include <linux/types.h> #include <linux/workqueue.h> - +struct gb_host_device; struct gb_operation; /* The default amount of time a request is given to complete */ diff --git a/include/linux/greybus/svc.h b/include/linux/greybus/svc.h index 507f8bd4e4c8..5afaf5f06856 100644 --- a/include/linux/greybus/svc.h +++ b/include/linux/greybus/svc.h @@ -12,6 +12,8 @@ #include <linux/types.h> #include <linux/device.h> +struct gb_svc_l2_timer_cfg; + #define GB_SVC_CPORT_FLAG_E2EFC BIT(0) #define GB_SVC_CPORT_FLAG_CSD_N BIT(1) #define GB_SVC_CPORT_FLAG_CSV_N BIT(2) -- 2.22.1

5 years, 10 months

[PATCH] staging: greybus: fix more header includes

by Rui Miguel Silva

More headers needed to be fixed when moving greybus out of staging and enabling the COMPILE_TEST option. Reported-by: kbuild test robot <lkp(a)intel.com> Signed-off-by: Rui Miguel Silva <rui.silva(a)linaro.org> --- include/linux/greybus/operation.h | 1 + include/linux/greybus/svc.h | 2 ++ 2 files changed, 3 insertions(+) diff --git a/include/linux/greybus/operation.h b/include/linux/greybus/operation.h index 8ca864bba23e..bfbc56d8d863 100644 --- a/include/linux/greybus/operation.h +++ b/include/linux/greybus/operation.h @@ -15,6 +15,7 @@ #include <linux/types.h> #include <linux/workqueue.h> +#include "hd.h" struct gb_operation; diff --git a/include/linux/greybus/svc.h b/include/linux/greybus/svc.h index 507f8bd4e4c8..11a86504c429 100644 --- a/include/linux/greybus/svc.h +++ b/include/linux/greybus/svc.h @@ -12,6 +12,8 @@ #include <linux/types.h> #include <linux/device.h> +#include "greybus_protocols.h" + #define GB_SVC_CPORT_FLAG_E2EFC BIT(0) #define GB_SVC_CPORT_FLAG_CSD_N BIT(1) #define GB_SVC_CPORT_FLAG_CSV_N BIT(2) -- 2.22.1

5 years, 10 months

[PATCH] staging: greybus: add missing includes

by Rui Miguel Silva

Before moving greybus core out of staging and moving header files to include/linux some greybus header files were missing the necessary includes. This would trigger compilation faillures with some example errors logged bellow for with CONFIG_KERNEL_HEADER_TEST=y. So, add the necessary headers to compile clean before relocating the header files. ./include/linux/greybus/hd.h:23:50: error: unknown type name 'u16' int (*cport_disable)(struct gb_host_device *hd, u16 cport_id); ^~~ ./include/linux/greybus/greybus_protocols.h:1314:2: error: unknown type name '__u8' __u8 data[0]; ^~~~ ./include/linux/greybus/hd.h:24:52: error: unknown type name 'u16' int (*cport_connected)(struct gb_host_device *hd, u16 cport_id); ^~~ ./include/linux/greybus/hd.h:25:48: error: unknown type name 'u16' int (*cport_flush)(struct gb_host_device *hd, u16 cport_id); ^~~ ./include/linux/greybus/hd.h:26:51: error: unknown type name 'u16' int (*cport_shutdown)(struct gb_host_device *hd, u16 cport_id, ^~~ ./include/linux/greybus/hd.h:27:5: error: unknown type name 'u8' u8 phase, unsigned int timeout); ^~ ./include/linux/greybus/hd.h:28:50: error: unknown type name 'u16' int (*cport_quiesce)(struct gb_host_device *hd, u16 cport_id, ^~~ ./include/linux/greybus/hd.h:29:5: error: unknown type name 'size_t' size_t peer_space, unsigned int timeout); ^~~~~~ ./include/linux/greybus/hd.h:29:5: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'? ./include/linux/greybus/hd.h:1:1: +#include <stddef.h> /* SPDX-License-Identifier: GPL-2.0 */ ./include/linux/greybus/hd.h:29:5: size_t peer_space, unsigned int timeout); ^~~~~~ ./include/linux/greybus/hd.h:30:48: error: unknown type name 'u16' int (*cport_clear)(struct gb_host_device *hd, u16 cport_id); ^~~ ./include/linux/greybus/hd.h:32:49: error: unknown type name 'u16' int (*message_send)(struct gb_host_device *hd, u16 dest_cport_id, ^~~ ./include/linux/greybus/hd.h:33:32: error: unknown type name 'gfp_t' struct gb_message *message, gfp_t gfp_mask); ^~~~~ ./include/linux/greybus/hd.h:35:55: error: unknown type name 'u16' int (*latency_tag_enable)(struct gb_host_device *hd, u16 cport_id); Signed-off-by: Rui Miguel Silva <rmfrfs(a)gmail.com> Signed-off-by: Rui Miguel Silva <rui.silva(a)linaro.org> --- drivers/staging/greybus/bundle.h | 3 +++ drivers/staging/greybus/connection.h | 3 +++ drivers/staging/greybus/control.h | 3 +++ drivers/staging/greybus/greybus_manifest.h | 3 +++ drivers/staging/greybus/greybus_protocols.h | 2 ++ drivers/staging/greybus/hd.h | 3 +++ drivers/staging/greybus/interface.h | 3 +++ drivers/staging/greybus/manifest.h | 2 ++ drivers/staging/greybus/module.h | 3 +++ drivers/staging/greybus/operation.h | 5 +++++ drivers/staging/greybus/svc.h | 3 +++ 11 files changed, 33 insertions(+) diff --git a/drivers/staging/greybus/bundle.h b/drivers/staging/greybus/bundle.h index 8734d2055657..69fe5610bb42 100644 --- a/drivers/staging/greybus/bundle.h +++ b/drivers/staging/greybus/bundle.h @@ -9,7 +9,10 @@ #ifndef __BUNDLE_H #define __BUNDLE_H +#include <linux/device.h> #include <linux/list.h> +#include <linux/pm_runtime.h> +#include <linux/types.h> #define BUNDLE_ID_NONE U8_MAX diff --git a/drivers/staging/greybus/connection.h b/drivers/staging/greybus/connection.h index 5ca3befc0636..d59b7fc1de3e 100644 --- a/drivers/staging/greybus/connection.h +++ b/drivers/staging/greybus/connection.h @@ -9,8 +9,11 @@ #ifndef __CONNECTION_H #define __CONNECTION_H +#include <linux/bits.h> #include <linux/list.h> #include <linux/kfifo.h> +#include <linux/kref.h> +#include <linux/workqueue.h> #define GB_CONNECTION_FLAG_CSD BIT(0) #define GB_CONNECTION_FLAG_NO_FLOWCTRL BIT(1) diff --git a/drivers/staging/greybus/control.h b/drivers/staging/greybus/control.h index 3a29ec05f631..0d4e2ed20fe4 100644 --- a/drivers/staging/greybus/control.h +++ b/drivers/staging/greybus/control.h @@ -9,6 +9,9 @@ #ifndef __CONTROL_H #define __CONTROL_H +#include <linux/device.h> +#include <linux/types.h> + struct gb_control { struct device dev; struct gb_interface *intf; diff --git a/drivers/staging/greybus/greybus_manifest.h b/drivers/staging/greybus/greybus_manifest.h index 2cec5cf7a846..1cb60af4febd 100644 --- a/drivers/staging/greybus/greybus_manifest.h +++ b/drivers/staging/greybus/greybus_manifest.h @@ -14,6 +14,9 @@ #ifndef __GREYBUS_MANIFEST_H #define __GREYBUS_MANIFEST_H +#include <linux/bits.h> +#include <linux/types.h> + enum greybus_descriptor_type { GREYBUS_TYPE_INVALID = 0x00, GREYBUS_TYPE_INTERFACE = 0x01, diff --git a/drivers/staging/greybus/greybus_protocols.h b/drivers/staging/greybus/greybus_protocols.h index ddc73f10eb22..e883edb50ed8 100644 --- a/drivers/staging/greybus/greybus_protocols.h +++ b/drivers/staging/greybus/greybus_protocols.h @@ -53,6 +53,8 @@ #ifndef __GREYBUS_PROTOCOLS_H #define __GREYBUS_PROTOCOLS_H +#include <linux/types.h> + /* Fixed IDs for control/svc protocols */ /* SVC switch-port device ids */ diff --git a/drivers/staging/greybus/hd.h b/drivers/staging/greybus/hd.h index 6cf024a20a58..7be5c065e7c4 100644 --- a/drivers/staging/greybus/hd.h +++ b/drivers/staging/greybus/hd.h @@ -9,6 +9,9 @@ #ifndef __HD_H #define __HD_H +#include <linux/device.h> +#include <linux/types.h> + struct gb_host_device; struct gb_message; diff --git a/drivers/staging/greybus/interface.h b/drivers/staging/greybus/interface.h index 1c00c5bb3ec9..f5ab937348f6 100644 --- a/drivers/staging/greybus/interface.h +++ b/drivers/staging/greybus/interface.h @@ -9,6 +9,9 @@ #ifndef __INTERFACE_H #define __INTERFACE_H +#include <linux/device.h> +#include <linux/types.h> + enum gb_interface_type { GB_INTERFACE_TYPE_INVALID = 0, GB_INTERFACE_TYPE_UNKNOWN, diff --git a/drivers/staging/greybus/manifest.h b/drivers/staging/greybus/manifest.h index f3c95a255631..b101af4c2c72 100644 --- a/drivers/staging/greybus/manifest.h +++ b/drivers/staging/greybus/manifest.h @@ -9,6 +9,8 @@ #ifndef __MANIFEST_H #define __MANIFEST_H +#include <linux/types.h> + struct gb_interface; bool gb_manifest_parse(struct gb_interface *intf, void *data, size_t size); diff --git a/drivers/staging/greybus/module.h b/drivers/staging/greybus/module.h index b1ebcc6636db..722c344a3a5a 100644 --- a/drivers/staging/greybus/module.h +++ b/drivers/staging/greybus/module.h @@ -9,6 +9,9 @@ #ifndef __MODULE_H #define __MODULE_H +#include <linux/device.h> +#include <linux/types.h> + struct gb_module { struct device dev; struct gb_host_device *hd; diff --git a/drivers/staging/greybus/operation.h b/drivers/staging/greybus/operation.h index 40b7b02fff88..0424212797b8 100644 --- a/drivers/staging/greybus/operation.h +++ b/drivers/staging/greybus/operation.h @@ -10,6 +10,11 @@ #define __OPERATION_H #include <linux/completion.h> +#include <linux/kref.h> +#include <linux/timer.h> +#include <linux/types.h> +#include <linux/workqueue.h> + struct gb_operation; diff --git a/drivers/staging/greybus/svc.h b/drivers/staging/greybus/svc.h index ad01783bac9c..c1c874bcb016 100644 --- a/drivers/staging/greybus/svc.h +++ b/drivers/staging/greybus/svc.h @@ -9,6 +9,9 @@ #ifndef __SVC_H #define __SVC_H +#include <linux/device.h> +#include <linux/types.h> + #define GB_SVC_CPORT_FLAG_E2EFC BIT(0) #define GB_SVC_CPORT_FLAG_CSD_N BIT(1) #define GB_SVC_CPORT_FLAG_CSV_N BIT(2) -- 2.22.1

5 years, 10 months

binding gb gpio device to gb-phy driver?

by Christopher Friedt

Hi List! I'm currently using gbridge / tcpip with the IID1-simple-gpio-module.mnfs example to hook up a fake module that just responds to socket I/O. A couple of small changes were required, but everything seems to be parsed, bundles, cports are all created. However, for some reason, greybus does not seem to automatically bind the device to the gb-gpio driver, nor does it probe the device. I only see pings after the svc has inserted my fake module and handshake is complete. Is anyone aware if a separate step that is required to bind the device to the driver? I've tried sudo sh -c 'echo -n 1-2.2.1 > /sys/bus/gbphy/drivers/gpio/bind' but that gives me -ENODEV Any pointers would be great! Thanks, C

5 years, 10 months

Greybus For IoT : Click Board Support on Beaglebone Boards

by Vaishnav MA

Hi, I have been working on the Google Summer of Code Project : Click Board Support through Greybus <https://summerofcode.withgoogle.com/projects/#5996499987595264> , which aims to bring in support for MikroElektronika Click Boards <https://www.mikroe.com/click> through Greybus Simulator <https://github.com/projectara/gbsim> , I was able to set up and bring in support for some of the Click boards through Greybus Simulator and passing the properties related to the Click Board device driver manipulating the product string and vendor string properties in the manifest, however I am stuck now as some of the click boards require additional platform data(like Reset Pin, Interrupts..etc) passed to the spi_new_device/i2c_new_device calls, does Greybus allow passing of these parameters to the driver, if so can someone guide me with the documentation for the same or point me a suitable example so that I can implement the solution in the project. If greybus doesn't allow for passing these parameters what would be the ideal way to bring in support for these click boards(which mostly uses SPI/I2C interfaces) through the greybus subsystem?. Thanks and Regards Vaishnav M A GSoC '19 Student Under Beagleboard.org

5 years, 10 months

[PATCH] staging: greybus: add logging statement when kfifo_alloc fails

by Keyur Patel

Added missing logging statement when kfifo_alloc fails, to improve debugging. Signed-off-by: Keyur Patel <iamkeyur96(a)gmail.com> --- drivers/staging/greybus/uart.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c index b3bffe91ae99..86a395ae177d 100644 --- a/drivers/staging/greybus/uart.c +++ b/drivers/staging/greybus/uart.c @@ -856,8 +856,10 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev, retval = kfifo_alloc(&gb_tty->write_fifo, GB_UART_WRITE_FIFO_SIZE, GFP_KERNEL); - if (retval) + if (retval) { + pr_err("kfifo_alloc failed\n"); goto exit_buf_free; + } gb_tty->credits = GB_UART_FIRMWARE_CREDITS; init_completion(&gb_tty->credits_complete); -- 2.22.0

5 years, 11 months

[PATCH] staging: greybus: Replace function gb_i2c_device_setup()

by Nishka Dasgupta

Remove function gb_i2c_device_setup as all it does is call gb_i2c_functionality_operation. Rename gb_i2c_functionality_operation to gb_i2c_device_setup to maintain compatibility with call sites. Issue found with Coccinelle. Signed-off-by: Nishka Dasgupta <nishkadg.linux(a)gmail.com> --- drivers/staging/greybus/i2c.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) diff --git a/drivers/staging/greybus/i2c.c b/drivers/staging/greybus/i2c.c index 7bb85a75d3b1..b2522043a1a4 100644 --- a/drivers/staging/greybus/i2c.c +++ b/drivers/staging/greybus/i2c.c @@ -31,7 +31,14 @@ static u32 gb_i2c_functionality_map(u32 gb_i2c_functionality) return gb_i2c_functionality; /* All bits the same for now */ } -static int gb_i2c_functionality_operation(struct gb_i2c_device *gb_i2c_dev) +/* + * Do initial setup of the i2c device. This includes verifying we + * can support it (based on the protocol version it advertises). + * If that's OK, we get and cached its functionality bits. + * + * Note: gb_i2c_dev->connection is assumed to have been valid. + */ +static int gb_i2c_device_setup(struct gb_i2c_device *gb_i2c_dev) { struct gb_i2c_functionality_response response; u32 functionality; @@ -235,19 +242,6 @@ static const struct i2c_algorithm gb_i2c_algorithm = { .functionality = gb_i2c_functionality, }; -/* - * Do initial setup of the i2c device. This includes verifying we - * can support it (based on the protocol version it advertises). - * If that's OK, we get and cached its functionality bits. - * - * Note: gb_i2c_dev->connection is assumed to have been valid. - */ -static int gb_i2c_device_setup(struct gb_i2c_device *gb_i2c_dev) -{ - /* Assume the functionality never changes, just get it once */ - return gb_i2c_functionality_operation(gb_i2c_dev); -} - static int gb_i2c_probe(struct gbphy_device *gbphy_dev, const struct gbphy_device_id *id) { -- 2.19.1

5 years, 12 months

[PATCH] staging: greybus: remove redundant assignment to variable is_empty

by Colin King

From: Colin Ian King <colin.king(a)canonical.com> The variable is_empty is being initialized with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King <colin.king(a)canonical.com> --- drivers/staging/greybus/audio_manager.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/greybus/audio_manager.c b/drivers/staging/greybus/audio_manager.c index c2a4af4c1d06..9b19ea9d3fa1 100644 --- a/drivers/staging/greybus/audio_manager.c +++ b/drivers/staging/greybus/audio_manager.c @@ -86,7 +86,7 @@ EXPORT_SYMBOL_GPL(gb_audio_manager_remove); void gb_audio_manager_remove_all(void) { struct gb_audio_manager_module *module, *next; - int is_empty = 1; + int is_empty; down_write(&modules_rwsem); -- 2.20.1

5 years, 12 months

Anyone else having delays with this list?

by Mark Greer

Hi everyone. Is anyone else experiencing delays receiving email from this list? I just received a bunch today (April 30) with some emails dating back as far as Jan 15. Thanks, Mark --

6 years

[PATCH] staging: greybus: tools: Remove function log_csv_error()

by Nishka Dasgupta

Remove unused function log_csv_error. Issue found with Coccinelle. Signed-off-by: Nishka Dasgupta <nishkadg.linux(a)gmail.com> --- drivers/staging/greybus/tools/loopback_test.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/staging/greybus/tools/loopback_test.c b/drivers/staging/greybus/tools/loopback_test.c index 2fa88092514d..cebc1d90a180 100644 --- a/drivers/staging/greybus/tools/loopback_test.c +++ b/drivers/staging/greybus/tools/loopback_test.c @@ -414,12 +414,6 @@ static int get_results(struct loopback_test *t) return 0; } -void log_csv_error(int len, int err) -{ - fprintf(stderr, "unable to write %d bytes to csv %s\n", len, - strerror(err)); -} - int format_output(struct loopback_test *t, struct loopback_results *r, const char *dev_name, -- 2.19.1

6 years

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