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* drivers/spi/atmel_spi.c: Fix GCC 4.6 warningAnatolij Gustschin2011-11-161-2/+0
| | | | | | | | | Fix: atmel_spi.c: In function 'spi_xfer': atmel_spi.c:139:7: warning: variable 'ret' set but not used [-Wunused-but-set-variable] Signed-off-by: Anatolij Gustschin <agust@denx.de>
* ATMEL: fix related common atmel driver filesReinhard Meyer2011-05-181-8/+8
| | | | Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
* AT91/AVR32: atmel_spi.c: flush RDR before next SPI transactionReinhard Meyer2010-09-031-2/+11
| | | | Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
* atmel_spi: Driver for the Atmel SPI controllerHans-Christian Egtvedt2008-06-031-0/+210
This adds a driver for the SPI controller found on most AT91 and AVR32 chips, implementing the new SPI API. Changed in v4: - Update to new API - Handle zero-length transfers appropriately. The user may send a zero-length SPI transfer with SPI_XFER_END set in order to deactivate the chip select after a series of transfers with chip select active. This is useful e.g. when polling the status register of DataFlash. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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