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Commit Graph

3 Commits

Author SHA1 Message Date
YueHaibing
a0ce1fd11e
spi: npcm-fiu: remove set but not used variable 'retlen'
drivers/spi/spi-npcm-fiu.c: In function npcm_fiu_read:
drivers/spi/spi-npcm-fiu.c:472:9: warning:
 variable retlen set but not used [-Wunused-but-set-variable]

It is never used, so remove it.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190905072436.23932-1-yuehaibing@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-09-05 18:19:45 +01:00
Colin Ian King
0d6fccc1b6
spi: npcm-fiu: fix spelling mistake "frequancy" -> "frequency"
There is a spelling mistake in a dev_warning message. Fix it. Also
break line to clear up checkpatch warning.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190903122812.3986-1-colin.king@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-09-03 18:49:58 +01:00
Tomer Maimon
ace55c411b
spi: npcm-fiu: add NPCM FIU controller driver
Add Nuvoton NPCM BMC Flash Interface Unit(FIU) SPI master
controller driver using SPI-MEM interface.

The FIU supports single, dual or quad communication interface.

the FIU controller can operate in following modes:
- User Mode Access(UMA): provides flash access by using an
  indirect address/data mechanism.
- direct rd/wr mode: maps the flash memory into the core
  address space.
- SPI-X mode: used for an expansion bus to an ASIC or CPLD.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Link: https://lore.kernel.org/r/20190828142513.228556-3-tmaimon77@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-08-30 12:42:07 +01:00