On 21/03/21 14:24, Greg KH wrote:
+config XILLYBUS_CLASS
> + tristate
> +
> config XILLYBUS
> tristate "Xillybus generic FPGA interface"
> depends on PCI || OF
> select CRC32
> + select XILLYBUS_CLASS
depends on, do not select.
XILLYBUS and XILLYBUS_PCIE are currently enabled as M in several Linux
distributions. Making them depend on, rather than select XILLYBUS_CLASS
is likely to disable the driver in those distributions.
With "select", "make oldconfig" sets XILLYBUS_CLASS to the correct value
smoothly and silently.
Besides, isn't this the intended use case for "select"? A config symbol
that doesn't depend on anything else, and solves a technical need to
compile Y if X is enabled?
Or is there a way to use "depends on" without this problem?
Regards,
Eli
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