On 09/01/2024 13:58, Tudor Ambarus wrote: > GS101's Connectivity Peripheral blocks (peric0/1 blocks) which > include the I3C and USI (I2C, SPI, UART) only allow 32-bit > register accesses. If using 8-bit register accesses, a SError > Interrupt is raised causing the system unusable. > > Instead of specifying the reg-io-width = 4 everywhere, for each node, > the requirement should be deduced from the compatible. > > Prepare the samsung tty driver to allow IO types different than > UPIO_MEM. ``struct uart_port::iotype`` is an unsigned char where all > its 8 bits are exposed to uapi. We can't make NULL checks on it to > verify if it's set, thus always set it from the driver's data. > Use u8 for the ``iotype`` member of ``struct s3c24xx_uart_info`` to > emphasize that the iotype is an 8 bit mask. > > Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> > --- Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Best regards, Krzysztof
