linux-kernel - Re: [PATCH 7/8] clk: fixed-mmio: make COMMON_CLK_FIXED_MMIO depend on HAS

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Message-ID: <f7f861bbfb33b90d24e72eea3833d194.sboyd@kernel.org>
Date:   Wed, 19 Jul 2023 14:51:02 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Baoquan He <bhe@...hat.com>, linux-kernel@...r.kernel.org
Cc:     akpm@...ux-foundation.org, linux-mm@...ck.org,
        schnelle@...ux.ibm.com, vkoul@...nel.org, eli.billauer@...il.com,
        arnd@...db.de, gregkh@...uxfoundation.org, derek.kiernan@....com,
        dragan.cvetic@....com, linux@...inikbrodowski.net,
        Jonathan.Cameron@...wei.com, linus.walleij@...aro.org,
        tsbogend@...ha.franken.de, joyce.ooi@...el.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, tglx@...utronix.de, maz@...nel.org,
        mturquette@...libre.com, robh+dt@...nel.org,
        frowand.list@...il.com, Baoquan He <bhe@...hat.com>,
        kernel test robot <lkp@...el.com>, linux-clk@...r.kernel.org
Subject: Re: [PATCH 7/8] clk: fixed-mmio: make COMMON_CLK_FIXED_MMIO depend on HAS_IOMEM

Quoting Baoquan He (2023-07-07 06:58:51)
> 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 COMMON_CLK_FIXED_MMIO depend on HAS_IOMEM so that it won't
> be built to cause below compiling error if PCI is unset:
> 
> ------

Applied to clk-fixes