kernel/git/next/linux-next.git/drivers/spi/spi-gpio.c, branch master

Replace by more specific (c files)

2026-07-03T05:38:17+00:00

Replace the #include of by the more specific where applicable. For most cases the include can be dropped completely, only a few drivers need one or two headers added. Acked-by: Danilo Krummrich Acked-by: Takashi Sakamoto Acked-by: Bjorn Helgaas Link: https://patch.msgid.link/1a3f2007c5c5dcf555c09a4035ce3ae8ef1b6c49.1782808461.git.u.kleine-koenig@baylibre.com Signed-off-by: Uwe Kleine-König (The Capable Hub)

spi: Drop duplicate device_set_node() call

2026-01-19T14:42:54+00:00

The SPI core provides the default fwnode for the controller, assigned by device_set_node(). No need to repeat it in the driver. Tested-by: Benoît Monin # dw mobileye Reviewed-by: Geert Uytterhoeven # renesas Signed-off-by: Andy Shevchenko Link: https://patch.msgid.link/20260112203534.4186261-5-andriy.shevchenko@linux.intel.com Reviewed-by: Linus Walleij Signed-off-by: Mark Brown

spi: gpio: Use explicit 'unsigned int' for parameter types

2025-07-16T10:15:31+00:00

The C standard allows 'unsigned' as a shorthand for 'unsigned int'. For improved code clarity and consistency with the prevailing kernel coding style, replace the shorthand with the more explicit 'unsigned int' type for function parameters. This is a purely stylistic cleanup and has no functional impact on the generated code. Signed-off-by: Darshan Rathod Link: https://patch.msgid.link/20250716095906.21812-1-darshanrathod475@gmail.com Signed-off-by: Mark Brown

spi: gpio: fix const issue in spi_to_spi_gpio()

2025-05-22T11:03:34+00:00

While the struct spi_device * passed into spi_to_spi_gpio() is a const one, the struct spi_bitbang * that is retrieved from the controller field in the spi_device is NOT a const pointer, as it is coming from the spi_controller_get_devdata() call, and then passed to container_of() which would strip off the const attribute for no good reason (i.e. if a const pointer is passed to container_of() it still is const coming out). Fix this all up by properly declaring the struct spi_bitbang * as not const. Cc: Mark Brown Signed-off-by: Greg Kroah-Hartman Link: https://patch.msgid.link/2025052225-scallion-ritzy-dbbd@gregkh Signed-off-by: Mark Brown

spi: gpio: Support a single always-selected device

2025-02-05T13:52:57+00:00

The generic SPI code, the SPI GPIO driver functions support a single always-connected device cases. The only impediment is that board instantiation prevents that from happening. Update spi_gpio_probe_pdata() checks to support the mentioned hardware setup. Signed-off-by: Andy Shevchenko Link: https://patch.msgid.link/20250205132127.742750-3-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown

spi: gpio: Remove stale documentation part

2025-02-05T13:52:56+00:00

The SPI GPIO driver doesn't support hard coded absolute GPIO numbers anymore. However, it may still be instantiated from board files with help of GPIO lookup tables or device properties. Neither of this is covered by the old part of the documentation, it's the opposite, i.e. old documentation pretend that antique approach still works. With all this said, remove stale and confusing part of the documentation. Signed-off-by: Andy Shevchenko Link: https://patch.msgid.link/20250205132127.742750-2-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown

spi: spi-gpio: Add support for MOSI idle state configuration

2024-07-29T00:19:53+00:00

Implement MOSI idle low and MOSI idle high to better support peripherals that request specific MOSI behavior. Acked-by: Nuno Sa Reviewed-by: David Lechner Reviewed-by: Jonathan Cameron Signed-off-by: Marcelo Schmitt Link: https://patch.msgid.link/629c55a10005ba26825c3a6a19184372ef81b3e1.1720810545.git.marcelo.schmitt@analog.com Signed-off-by: Mark Brown

spi: gpio: Use traditional pattern when checking error codes

2024-05-27T00:33:30+00:00

Instead of 'if (!ret)' switch to "check for the error first" rule. Signed-off-by: Andy Shevchenko Link: https://msgid.link/r/20240517194246.747427-3-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown

spi: gpio: Make use of device properties

2024-05-27T00:33:30+00:00

Convert the module to be property provider agnostic and allow it to be used on non-OF platforms. Include mod_devicetable.h explicitly to replace the dropped of.h which included mod_devicetable.h indirectly. Signed-off-by: Andy Shevchenko Link: https://msgid.link/r/20240517194246.747427-2-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown

spi: bitbang: Follow renaming of SPI "master" to "controller"

2024-02-08T11:54:48+00:00

In commit 8caab75fd2c2 ("spi: Generalize SPI "master" to "controller"") some functions and struct members were renamed. To not break all drivers compatibility macros were provided. To be able to remove these compatibility macros push the renaming into the SPI bitbang controller drivers. Acked-by: Jonathan Cameron Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/f7f949feb803acb8bea75798f41371a13287f4e8.1707324794.git.u.kleine-koenig@pengutronix.de Signed-off-by: Mark Brown