On 6/26/19 1:15 PM, Mark Brown wrote: > On Wed, Jun 26, 2019 at 01:31:16AM +0200, Marek Vasut wrote: >> Drop the CONFIG_64BIT checks from core regmap code, as it is well >> possible to access e.g. an SPI device with 64bit registers from a >> 32bit CPU. The CONFIG_64BIT checks are still left in place in the >> regmap mmio code however. > > The issue with 8 bit
byte > registers was that we use unsigned long for > addresses and values and a 64 bit value won't fit in those on a 32 bit > system. Some of the bulk APIs will work but things like individual > register writes and the caches will have problems. Good thing I sent this as RFC, I realized that shortly after too. So, what would be the suggestion here ? -- Best regards, Marek Vasut
