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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org,
	kbuild test robot <fengguang.wu@intel.com>,
	Jonathan Cameron <jic23@jic23.retrosnub.co.uk>,
	Linus Walleij <linus.walleij@linaro.org>,
	Jonathan Cameron <jic23@kernel.org>,
	Peter Rosin <peda@axentia.se>, Wolfram Sang <wsa@the-dreams.de>
Subject: [PATCH 4.8 19/67] i2c: mux: fix up dependencies
Date: Thu, 24 Nov 2016 16:27:13 +0100	[thread overview]
Message-ID: <20161124145458.687702563@linuxfoundation.org> (raw)
In-Reply-To: <20161124145457.061710350@linuxfoundation.org>

4.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Linus Walleij <linus.walleij@linaro.org>

commit 93d710a65ef02fb7fd48ae207e78f460bd7a6089 upstream.

We get the following build error from UM Linux after adding
an entry to drivers/iio/gyro/Kconfig that issues "select I2C_MUX":

ERROR: "devm_ioremap_resource"
   [drivers/i2c/muxes/i2c-mux-reg.ko] undefined!
ERROR: "of_address_to_resource"
   [drivers/i2c/muxes/i2c-mux-reg.ko] undefined!

It appears that the I2C mux core code depends on HAS_IOMEM
for historical reasons, while CONFIG_I2C_MUX_REG does *not*
have a direct dependency on HAS_IOMEM.

This creates a situation where a allyesconfig or allmodconfig
for UM Linux will select I2C_MUX, and will implicitly enable
I2C_MUX_REG as well, and the compilation will fail for the
register driver.

Fix this up by making I2C_MUX_REG depend on HAS_IOMEM and
removing the dependency from I2C_MUX.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reported-by: Jonathan Cameron <jic23@jic23.retrosnub.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/i2c/Kconfig       |    1 -
 drivers/i2c/muxes/Kconfig |    1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -59,7 +59,6 @@ config I2C_CHARDEV
 
 config I2C_MUX
 	tristate "I2C bus multiplexing support"
-	depends on HAS_IOMEM
 	help
 	  Say Y here if you want the I2C core to support the ability to
 	  handle multiplexed I2C bus topologies, by presenting each
--- a/drivers/i2c/muxes/Kconfig
+++ b/drivers/i2c/muxes/Kconfig
@@ -63,6 +63,7 @@ config I2C_MUX_PINCTRL
 
 config I2C_MUX_REG
 	tristate "Register-based I2C multiplexer"
+	depends on HAS_IOMEM
 	help
 	  If you say yes to this option, support will be included for a
 	  register based I2C multiplexer. This driver provides access to

  parent reply	other threads:[~2016-11-24 15:28 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-24 15:26 [PATCH 4.8 00/67] 4.8.11-stable review Greg Kroah-Hartman
2016-11-24 15:26 ` [PATCH 4.8 01/67] x86/cpu/AMD: Fix cpu_llc_id for AMD Fam17h systems Greg Kroah-Hartman
2016-11-24 15:26 ` [PATCH 4.8 04/67] arm64: KVM: pmu: Fix AArch32 cycle counter access Greg Kroah-Hartman
2016-11-24 15:26 ` [PATCH 4.8 05/67] KVM: arm64: Fix the issues when guest PMCCFILTR is configured Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 06/67] ftrace: Ignore FTRACE_FL_DISABLED while walking dyn_ftrace records Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 07/67] ftrace: Add more checks for FTRACE_FL_DISABLED in processing ip records Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 08/67] genirq: Use irq type from irqdata instead of irqdesc Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 09/67] fuse: fix fuse_write_end() if zero bytes were copied Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 10/67] IB/rdmavt: rdmavt can handle non aligned page maps Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 11/67] IB/hfi1: Fix rnr_timer addition Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 12/67] mfd: intel-lpss: Do not put device in reset state on suspend Greg Kroah-Hartman
2016-11-24 15:30   ` Shaikh, Azhar
2016-11-24 15:27 ` [PATCH 4.8 13/67] mfd: stmpe: Fix RESET regression on STMPE2401 Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 14/67] can: bcm: fix warning in bcm_connect/proc_register Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 15/67] gpio: do not double-check direction on sleeping chips Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 16/67] ALSA: usb-audio: Fix use-after-free of usb_device at disconnect Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 17/67] ALSA: hda - add a new condition to check if it is thinkpad Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 18/67] ALSA: hda - Fix mic regression by ASRock mobo fixup Greg Kroah-Hartman
2016-11-24 15:27 ` Greg Kroah-Hartman [this message]
2016-11-24 15:27 ` [PATCH 4.8 20/67] i2c: i2c-mux-pca954x: fix deselect enabling for device-tree Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 21/67] Disable the __builtin_return_address() warning globally after all Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 23/67] scripts/has-stack-protector: add -fno-PIE Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 24/67] x86/kexec: " Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 25/67] kbuild: Steal gccs pie from the very beginning Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 26/67] ext4: sanity check the block and cluster size at mount time Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 27/67] ARM: dts: imx53-qsb: Fix regulator constraints Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 29/67] powerpc/64: Fix setting of AIL in hypervisor mode Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 33/67] virtio-net: drop legacy features in virtio 1 mode Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 34/67] clk: mmp: pxa910: fix return value check in pxa910_clk_init() Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 35/67] clk: mmp: pxa168: fix return value check in pxa168_clk_init() Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 36/67] clk: mmp: mmp2: fix return value check in mmp2_clk_init() Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 37/67] clk: imx: fix integer overflow in AV PLL round rate Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 38/67] rtc: omap: Fix selecting external osc Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 39/67] iwlwifi: pcie: fix SPLC structure parsing Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 40/67] iwlwifi: pcie: mark command queue lock with separate lockdep class Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 41/67] iwlwifi: mvm: fix netdetect starting/stopping for unified images Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 42/67] iwlwifi: mvm: fix d3_test with unified D0/D3 images Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 43/67] iwlwifi: mvm: wake the wait queue when the RX sync counter is zero Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 44/67] mfd: core: Fix device reference leak in mfd_clone_cell Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 45/67] sunrpc: svc_age_temp_xprts_now should not call setsockopt non-tcp transports Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 46/67] uwb: fix device reference leaks Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 47/67] PM / sleep: fix device reference leak in test_suspend Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 48/67] PM / sleep: dont suspend parent when async child suspend_{noirq, late} fails Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 49/67] perf hists: Fix column length on --hierarchy Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 50/67] IB/rxe: Update qp state for user query Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 51/67] IB/rxe: Fix kernel panic in UDP tunnel with GRO and RX checksum Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 52/67] IB/rxe: Fix handling of erroneous WR Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 53/67] IB/rxe: Clear queue buffer when modifying QP to reset Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 54/67] IB/mlx4: Check gid_index return value Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 55/67] IB/mlx4: Fix create CQ error flow Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 56/67] IB/mlx5: Validate requested RQT size Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 57/67] IB/mlx5: Use cache line size to select CQE stride Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 58/67] IB/mlx5: Fix memory leak in query device Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 59/67] IB/mlx5: Fix fatal error dispatching Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 60/67] IB/mlx5: Fix NULL pointer dereference on debug print Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 61/67] IB/core: Avoid unsigned int overflow in sg_alloc_table Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 62/67] IB/hfi1: Remove incorrect IS_ERR check Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 63/67] IB/uverbs: Fix leak of XRC target QPs Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 64/67] IB/cm: Mark stale CM ids whenever the mad agent was unregistered Greg Kroah-Hartman
2016-11-24 15:27 ` [PATCH 4.8 65/67] netfilter: nft_dynset: fix element timeout for HZ != 1000 Greg Kroah-Hartman
2016-11-24 15:28 ` [PATCH 4.8 66/67] gpio: pca953x: Move memcpy into mutex lock for set multiple Greg Kroah-Hartman
2016-11-24 15:28 ` [PATCH 4.8 67/67] gpio: pca953x: Fix corruption of other gpios in set_multiple Greg Kroah-Hartman
2016-11-25  0:48 ` [PATCH 4.8 00/67] 4.8.11-stable review Guenter Roeck
2016-11-25  9:43   ` Greg Kroah-Hartman
     [not found] ` <5837ca28.52301c0a.d82bc.07dd@mx.google.com>
2016-11-25  9:46   ` Greg Kroah-Hartman
     [not found]   ` <m2mvgjtr7m.fsf@baylibre.com>
2016-11-28 19:22     ` Javier Martinez Canillas

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