On Thu, Apr 06, 2023 at 09:05:48AM -0700, Randy Dunlap wrote:
> arch/sparc/kernel/ebus.o is only built for SPARC64.
> ns87303_lock is only built for SPARC64.
> arch/sparc/include/asm/parport.h says that it is for sparc64.
> Various documentation on the internet says that ebus is for UltraSPARC
> systems (64-bit).
>
> Therefore don't allow PARPORT_PC to be built for SPARC32.
>
> Fixes these build errors on SPARC32:
>
> ERROR: modpost: "ebus_dma_irq_enable" [drivers/parport/parport_pc.ko] undefined!
> ERROR: modpost: "ebus_dma_unregister" [drivers/parport/parport_pc.ko] undefined!
> ERROR: modpost: "ebus_dma_register" [drivers/parport/parport_pc.ko] undefined!
> ERROR: modpost: "ns87303_lock" [drivers/parport/parport_pc.ko] undefined!
> ERROR: modpost: "ebus_dma_enable" [drivers/parport/parport_pc.ko] undefined!
> ERROR: modpost: "ebus_dma_prepare" [drivers/parport/parport_pc.ko] undefined!
> ERROR: modpost: "ebus_dma_request" [drivers/parport/parport_pc.ko] undefined!
> ERROR: modpost: "ebus_dma_residue" [drivers/parport/parport_pc.ko] undefined!
>
> Fixes: 66bcd06099bb ("parport_pc: Also enable driver for PCI systems")
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx>
> Cc: Maciej W. Rozycki <macro@xxxxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: sparclinux@xxxxxxxxxxxxxxx
> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: linux-parport@xxxxxxxxxxxxxxxxxxx
Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> ---
> drivers/parport/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff -- a/drivers/parport/Kconfig b/drivers/parport/Kconfig
> --- a/drivers/parport/Kconfig
> +++ b/drivers/parport/Kconfig
> @@ -42,7 +42,7 @@ if PARPORT
>
> config PARPORT_PC
> tristate "PC-style hardware"
> - depends on ARCH_MIGHT_HAVE_PC_PARPORT || (PCI && !S390)
> + depends on ARCH_MIGHT_HAVE_PC_PARPORT || (PCI && !S390 && !SPARC32)
> help
> You should say Y here if you have a PC-style parallel port. All
> IBM PC compatible computers and some Alphas have PC-style
