[PATCH 00/12] SPI GPIO improvements

From: Andrey Smirnov
Date: Wed Apr 03 2019 - 00:01:55 EST


Everyone:

This series contains a fix ("spi: Don't call spi_get_gpio_descs()
before device name is set) and improvements for SPI GPIO and driver I
made while looking at that code recently. Hopefully each patch is
self-explanatory.

Feedback is welcome!

Thanks,
Andrey Smirnov

Andrey Smirnov (12):
spi: gpio: Drop unused spi_to_pdata()
spi: gpio: Add local struct device pointer in spi_gpio_probe()
spi: gpio: Add local struct spi_bitbang pointer in spi_gpio_probe()
spi: gpio: Simplify SPI_MASTER_NO_TX check in spi_gpio_probe()
spi: gpio: Drop unused pdata copy in struct spi_gpio
spi: gpio: Don't request CS GPIO in DT use-case
spi: Don't call spi_get_gpio_descs() before device name is set
spi: gpio: Drop mflags argument from spi_gpio_request()
spi: gpio: Drop unused pdev field in struct spi_gpio
spi: gpio: Make sure spi_master_put() is called in every error path
spi: bitbang: Introduce spi_bitbang_init()
spi: gpio: Use devm_spi_register_master()

drivers/spi/spi-bitbang.c | 66 ++++++----
drivers/spi/spi-gpio.c | 226 ++++++++++++++------------------
drivers/spi/spi.c | 37 +++---
include/linux/spi/spi_bitbang.h | 1 +
4 files changed, 154 insertions(+), 176 deletions(-)

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2.20.1