d780c3711d
SPI resource management framework used while processing a spi_message
via the spi-core.
The basic idea is taken from devres, but as the allocation may happen
fairly frequently, some provisioning (in the form of an unused spi_device
pointer argument to spi_res_alloc) has been made so that at a later stage
we may implement reuse objects allocated earlier avoiding the repeated
allocation by keeping a cache of objects that we can reuse.
This framework can get used for:
* rewriting spi_messages
* to fullfill alignment requirements of the spi_master HW
* to fullfill transfer length requirements
(e.g: transfers need to be less than 64k)
* consolidate spi_messages with multiple transfers into a single transfer
when the total transfer length is below a threshold.
* reimplement spi_unmap_buf without explicitly needing to check if it has
been mapped
Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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| .. | ||
| ad7877.h | ||
| ad7879.h | ||
| adi_spi3.h | ||
| ads7846.h | ||
| at73c213.h | ||
| at86rf230.h | ||
| cc2520.h | ||
| corgi_lcd.h | ||
| ds1305.h | ||
| eeprom.h | ||
| flash.h | ||
| ifx_modem.h | ||
| l4f00242t03.h | ||
| libertas_spi.h | ||
| lms283gf05.h | ||
| max7301.h | ||
| mc33880.h | ||
| mcp23s08.h | ||
| mmc_spi.h | ||
| mxs-spi.h | ||
| pxa2xx_spi.h | ||
| rspi.h | ||
| s3c24xx.h | ||
| sh_hspi.h | ||
| sh_msiof.h | ||
| spi.h | ||
| spi_bitbang.h | ||
| spi_gpio.h | ||
| spi_oc_tiny.h | ||
| tdo24m.h | ||
| tle62x0.h | ||
| tsc2005.h | ||
| xilinx_spi.h | ||