linux-kernel - Re: [PATCH v4 03/41] char: impi, tpm: depend on HAS

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Message-ID: <2023051656-mammary-cobweb-7265@gregkh>
Date:   Tue, 16 May 2023 13:46:17 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Niklas Schnelle <schnelle@...ux.ibm.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Corey Minyard <minyard@....org>,
        Peter Huewe <peterhuewe@....de>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-pci@...r.kernel.org, Arnd Bergmann <arnd@...nel.org>,
        Corey Minyard <cminyard@...sta.com>,
        openipmi-developer@...ts.sourceforge.net,
        linux-integrity@...r.kernel.org
Subject: Re: [PATCH v4 03/41] char: impi, tpm: depend on HAS_IOPORT

On Tue, May 16, 2023 at 12:59:59PM +0200, Niklas Schnelle wrote:
> In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
> not being declared. We thus need to add this dependency and ifdef
> sections of code using inb()/outb() as alternative access methods.
> 
> Co-developed-by: Arnd Bergmann <arnd@...nel.org>
> Signed-off-by: Arnd Bergmann <arnd@...nel.org>
> Acked-by: Corey Minyard <cminyard@...sta.com> # IPMI
> Reviewed-by: Jarkko Sakkinen <jarkko@...nel.org>
> Signed-off-by: Niklas Schnelle <schnelle@...ux.ibm.com>
> ---
> Note: The HAS_IOPORT Kconfig option was added in v6.4-rc1 so
>       per-subsystem patches may be applied independently
> 
>  drivers/char/Kconfig             |  3 ++-
>  drivers/char/ipmi/Makefile       | 11 ++++-------
>  drivers/char/ipmi/ipmi_si_intf.c |  3 ++-
>  drivers/char/ipmi/ipmi_si_pci.c  |  3 +++
>  drivers/char/tpm/Kconfig         |  1 +
>  drivers/char/tpm/tpm_infineon.c  | 16 ++++++++++++----
>  drivers/char/tpm/tpm_tis_core.c  | 19 ++++++++-----------
>  7 files changed, 32 insertions(+), 24 deletions(-)

TPM and IPMI patches go through different git trees, so odds are you are
going to have to split this patch in 2.

thanks,

greg k-h