Re: [PATCH] net: ethernet: litex: Add the dependency on HAS_IOMEM

From: Cai Huoqing
Date: Mon Feb 07 2022 - 20:50:06 EST


On 07 2月 22 09:25:42, Joel Stanley wrote:
> On Mon, 7 Feb 2022 at 08:49, Cai Huoqing <cai.huoqing@xxxxxxxxx> wrote:
> >
> > The helper function devm_platform_ioremap_resource_xxx()
> > needs HAS_IOMEM enabled, so add the dependency on HAS_IOMEM.
> >
> > Fixes: 464a57281f29 ("net/mlxbf_gige: Make use of devm_platform_ioremap_resourcexxx()")
>
> That looks wrong...
>
> $ git show --oneline --stat 464a57281f29
> 464a57281f29 net/mlxbf_gige: Make use of devm_platform_ioremap_resourcexxx()
> drivers/net/ethernet/litex/litex_liteeth.c | 7 ++-----
> drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c | 21
> +++------------------
> drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c | 7 +------
> drivers/net/ethernet/ni/nixge.c
>
> That's a strange commit message for the litex driver. Similarly for
> the ni driver. Did something go wrong there?
no, ni driver has the dependency on HAS_IOMEM in
drivers/net/ethernet/ni/Kconfig.
>
> A better fixes line would be ee7da21ac4c3be1f618b6358e0a38739a5d1773e,
ok.
Thanks
Cai
> as the original driver addition also has the iomem dependency.
>
> > Signed-off-by: Cai Huoqing <cai.huoqing@xxxxxxxxx>
> > ---
> > drivers/net/ethernet/litex/Kconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/ethernet/litex/Kconfig b/drivers/net/ethernet/litex/Kconfig
> > index f99adbf26ab4..04345b929d8e 100644
> > --- a/drivers/net/ethernet/litex/Kconfig
> > +++ b/drivers/net/ethernet/litex/Kconfig
> > @@ -17,7 +17,7 @@ if NET_VENDOR_LITEX
> >
> > config LITEX_LITEETH
> > tristate "LiteX Ethernet support"
> > - depends on OF
> > + depends on OF && HAS_IOMEM
> > help
> > If you wish to compile a kernel for hardware with a LiteX LiteEth
> > device then you should answer Y to this.
> > --
> > 2.25.1
> >