netdev - [PATCH 5/8] net: altera-tse: make ALTERA_TSE depend on HAS

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Date: Fri,  7 Jul 2023 21:58:49 +0800
From: Baoquan He <bhe@...hat.com>
To: 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,
	sboyd@...nel.org,
	robh+dt@...nel.org,
	frowand.list@...il.com,
	Baoquan He <bhe@...hat.com>,
	kernel test robot <lkp@...el.com>,
	netdev@...r.kernel.org
Subject: [PATCH 5/8] net: altera-tse: make ALTERA_TSE depend on HAS_IOMEM

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 ALTERA_TSE depend on HAS_IOMEM so that it won't be built
to cause below compiling error if PCI is unset:

------
ERROR: modpost: "devm_ioremap" [drivers/net/ethernet/altera/altera_tse.ko] undefined!
------

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202306211329.ticOJCSv-lkp@intel.com/
Signed-off-by: Baoquan He <bhe@...hat.com>
Cc: Joyce Ooi <joyce.ooi@...el.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Eric Dumazet <edumazet@...gle.com>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org

---
 drivers/net/ethernet/altera/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/altera/Kconfig b/drivers/net/ethernet/altera/Kconfig
index 17985319088c..4ef819a9a1ad 100644
--- a/drivers/net/ethernet/altera/Kconfig
+++ b/drivers/net/ethernet/altera/Kconfig
@@ -2,6 +2,7 @@
 config ALTERA_TSE
 	tristate "Altera Triple-Speed Ethernet MAC support"
 	depends on HAS_DMA
+	depends on HAS_IOMEM
 	select PHYLIB
 	select PHYLINK
 	select PCS_LYNX
-- 
2.34.1