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zephyr/drivers/spi
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Michael Hope e68287dd90 drivers: spi: fix the fast path on the SAM0 driver 
To keep the bus fully loaded, the SAM0 has a fast path that recognises
special cases like TX only, RX only, or TX/RX of the same size.
Commit #ea2431f32f7 accidentally disabled this.

This increases the utilisation from around 30 % to around 90 % at 48
MHz.

Signed-off-by: Michael Hope <mlhx@google.com>
 		2020-07-06 10:02:14 -04:00
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CMakeLists.txt
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Kconfig
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Kconfig.cc13xx_cc26xx
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Kconfig.dw
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Kconfig.gecko
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Kconfig.litex
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Kconfig.mcux_dspi
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Kconfig.mcux_flexcomm
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Kconfig.mcux_lpspi
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Kconfig.nrfx
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Kconfig.oc_simple
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Kconfig.rv32m1_lpspi
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Kconfig.sam
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Kconfig.sam0
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Kconfig.sifive
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Kconfig.stm32
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Kconfig.xec_qmspi
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spi_cc13xx_cc26xx.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_context.h drivers: spi: CS configuration through devicetree 2020-07-01 16:40:03 -05:00
spi_dw.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_dw.h zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_dw_regs.h
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spi_gecko.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_handlers.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_litespi.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_litespi.h zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_ll_stm32.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_ll_stm32.h zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_mcux_dspi.c drivers: spi: Add optional delays to mcux dspi and lpspi drivers 2020-07-02 07:57:36 -04:00
spi_mcux_flexcomm.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_mcux_lpspi.c drivers: spi: Add optional delays to mcux dspi and lpspi drivers 2020-07-02 07:57:36 -04:00
spi_nrfx_spi.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_nrfx_spim.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_nrfx_spis.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_oc_simple.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_oc_simple.h zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_rv32m1_lpspi.c drivers: spi: rv32m1_lpspi: Fix null tx 2020-06-17 09:30:12 +02:00
spi_sam.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_sam0.c drivers: spi: fix the fast path on the SAM0 driver 2020-07-06 10:02:14 -04:00
spi_sifive.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_sifive.h zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00
spi_xec_qmspi.c zephyr: replace zephyr integer types with C99 types 2020-06-08 08:23:57 -05:00