On Thu, Oct 06, 2022 at 03:24:16PM -0700, matthew.gerlach@xxxxxxxxxxxxxxx wrote: > On Thu, 6 Oct 2022, Andy Shevchenko wrote: > > On Thu, Oct 06, 2022 at 10:00:43AM -0700, matthew.gerlach@xxxxxxxxxxxxxxx wrote: > > > On Tue, 4 Oct 2022, Andy Shevchenko wrote: > > > > On Tue, Oct 04, 2022 at 07:37:18AM -0700, matthew.gerlach@xxxxxxxxxxxxxxx wrote: ... > > > > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > > > > > > > https://docs.kernel.org/process/submitting-patches.html?highlight=reported#using-reported-by-tested-by-reviewed-by-suggested-by-and-fixes > > > > > > > > "The Reported-by tag gives credit to people who find bugs and report them and it > > > > hopefully inspires them to help us again in the future. Please note that if the > > > > bug was reported in private, then ask for permission first before using the > > > > Reported-by tag. The tag is intended for bugs; please do not use it to credit > > > > feature requests." > > > > > > The kernel test robot did find a bug in my v1 submission. I was missing the > > > static keyword for a function declaration. Should I remove the tag? > > > > What's yours take from the above documentation? > > Since the kernel test robot did find a bug. The tag should stay. I suggest otherwise because of the last sentence in the cited excerpt: "please do not use it to credit feature requests". To distinguish "feature request" you can ask yourself "Am I fixing _existing_ code or adding a new one?" And the answer here is crystal clear (at least to me). ... > > > > > +config SERIAL_8250_DFL > > > > > + tristate "DFL bus driver for Altera 16550 UART" > > > > > + depends on SERIAL_8250 && FPGA_DFL > > > > > + help > > > > > + This option enables support for a Device Feature List (DFL) bus > > > > > + driver for the Altera 16650 UART. One or more Altera 16650 UARTs > > > > > + can be instantiated in a FPGA and then be discovered during > > > > > + enumeration of the DFL bus. > > > > > > > > When m, what be the module name? > > > > > > I see the file, kernel/drivers/tty/serial/8250/8250_dfl.ko, installed into > > > /lib/modules/... I also see "alias dfl:t0000f0024* 8250_dfl" in > > > modules.alias > > > > My point is that user who will run `make menuconfig` will read this and have > > no clue after the kernel build if the module was built or not. Look into other > > (recent) sections of the Kconfig for drivers in the kernel for how they inform > > user about the module name (this more or less standard pattern you just need > > to copy'n'paste'n'edit carefully). > > I think this should be added: > To compile this driver as a module, chose M here: the > module will be called 8250_dfl. Looks good to me! > > > > > obj-$(CONFIG_SERIAL_8250_FOURPORT) += 8250_fourport.o > > > > > obj-$(CONFIG_SERIAL_8250_ACCENT) += 8250_accent.o > > > > > obj-$(CONFIG_SERIAL_8250_BOCA) += 8250_boca.o > > > > > +obj-$(CONFIG_SERIAL_8250_DFL) += 8250_dfl.o > > > > > > > > This group of drivers for the 4 UARTs on the board or so, does FPGA belong to > > > > it? (Same Q, btw, for the Kconfig section. And yes, I know that some of the > > > > entries are not properly placed there and in Makefile.) > > > > > > Since 8250_dfl results in its own module, and my kernel config doesn't have > > > FOURPORT, ACCENT, nor BOCA, I guess I don't understand the problem. > > > > The Makefile is a bit chaotic, but try to find the sorted (more or less) > > group of drivers that are not 4 ports and squeeze your entry there > > (I expect somewhere between the LPSS/MID lines). > > > > It will help to sort out that mess in the future. > > I will move 8250_dfl between LPSS and MID lines in the Makefile. Should I > move the definition in Kconfig to be between LPSS and MID to be consistent? D is not ordered if put between L and M, I meant not to literally put it there but think about it a bit. Kconfig is another story because it has different approach in ordering (seems so), try to find the best compromise there. > > > > > obj-$(CONFIG_SERIAL_8250_EXAR_ST16C554) += 8250_exar_st16c554.o > > > > > obj-$(CONFIG_SERIAL_8250_HUB6) += 8250_hub6.o > > > > > obj-$(CONFIG_SERIAL_8250_FSL) += 8250_fsl.o -- With Best Regards, Andy Shevchenko