Hello, I see drivers/spi/spi_s3c24xx.c uses bitbang i/f eventhough 24xx has a dedicated SPI controller. Wasn't bitbang is supposed to be for SOCs which don't have a SPI controller. I was wondering why cudn't we make it work without the Bitbang abstraction? Any potential issues that I am failing to fathom? And, s3c24xx.c doesn't make use of DMA. Any particular reason against it?
I am willing to contribute my code, if need be. Regards, Jassi
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