Re: [PATCH RESEND 1/2] pcmcia : make PCMCIA depend on HAS_IOMEM

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On Sat, May 6, 2023 at 1:16 PM Baoquan He <bhe@xxxxxxxxxx> wrote:

> On s390 systems (aka mainframes), it has classic channel devices for
> networking and permanent storage that are currently even more common
> than PCI devices. Hence it could have a fully functional s390 kernel
> with CONFIG_PCI=n, then the relevant iomem mapping functions
> [including ioremap(), devm_ioremap(), etc.] are not available.
>
> Here let depend PCMCIA on HAS_IOMEM so that it won't be built to
> cause below compiling error if PCI is unset.
>
> -------------------------------------------------------
> ld: drivers/pcmcia/cistpl.o: in function `set_cis_map':
> cistpl.c:(.text+0x1202): undefined reference to `ioremap'
> ld: cistpl.c:(.text+0x13b0): undefined reference to `iounmap'
> ld: cistpl.c:(.text+0x14a6): undefined reference to `iounmap'
> ld: cistpl.c:(.text+0x1544): undefined reference to `ioremap'
> ld: drivers/pcmcia/cistpl.o: in function `release_cis_mem':
> cistpl.c:(.text+0x3f14): undefined reference to `iounmap'
>
> Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
> Reviewed-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx>
> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>

Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Yours,
Linus Walleij





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