The AST2600 SPI controllers have a set of bits to request/grant DMA
access. Add a new SMC feature for these controllers and use it to
check access to the DMA registers.
Cc: Chin-Ting Kuo
Signed-off-by: Cédric Le Goater
Reviewed-by: Joel Stanley
Message-Id: <20210407171637.43-16-...@kaod.org
The AST2600 SPI controllers have a set of bits to request/grant DMA
access. Add a new SMC feature for these controllers and use it to
check access to the DMA registers.
Cc: Chin-Ting Kuo
Signed-off-by: Cédric Le Goater
Reviewed-by: Joel Stanley
Message-Id: <20210407171637.43-16-...@kaod.org
