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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-06 12:08:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-06 12:08:39 -0700
commit1fe9eb184721132c7254d76d9ef31c96edad8870 (patch)
treec055ffb7f201bc2370714ebe186a922d0eb39d0d /drivers/mfd/syscon.c
parent0bb464624140bfdd8389d4c5464ba134b2856049 (diff)
parent89abd4df28c6f85645e32f37ffab6426f800e4a1 (diff)
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Merge tag 'mfd-for-linus-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next
Pull MFD updates from Lee Jones: "Changes to existing drivers: - increase DT coverage: arizona, mc13xxx, stmpe-i2c, syscon, sun6i-prcm - regmap use of and/or clean-up: tps65090, twl6040 - basic renaming: max14577 - use new cpufreq helpers: db8500-prcmu - increase regulator support: stmpe, arizona, wm5102 - reduce legacy GPIO overhead: stmpe - provide necessary remove path: bcm590xx - expand sysfs presence: kempld - move driver specific code out to drivers: rtc-s5m, arizona - clk handling: twl6040 - use managed (devm_*) resources: ipaq-micro - clean-up/remove unused/duplicated code: tps65218, sec, pm8921, abx500-core, db8500-prcmu, menelaus - build/boot/sematic bug fixes: rtsx_usb, stmpe, bcm590xx, abx500, mc13xxx, rdc321x-southbridge, mfd-core, sec, max14577, syscon, cros_ec_spi - constify stuff: sm501, tps65910, tps6507x, tps6586x, max77686, max8997, kempld, max77693, max8907, rtsx_usb, db8500-prcmu, max8998, wm8400, sec, lp3943, max14577, as3711, omap-usb-host, ipaq-micro Support for new devices: - add support for max77836 into max14577 - add support for tps658640 into tps6586x - add support for cros-ec-i2c-tunnel into cros_ec - add new driver for rtsx_usb_sdmmc and rtsx_usb_ms - add new driver for axp20x - add new driver for sun6i-prcm - add new driver for ipaq-micro" * tag 'mfd-for-linus-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (77 commits) mfd: wm5102: Correct default for LDO Control 2 register mfd: menelaus: Use module_i2c_driver mfd: tps65218: Terminate of match table mfd: db8500-prcmu: Remove check for CONFIG_DBX500_PRCMU_DEBUG mfd: ti-keystone-devctrl: Add bindings for device state control mfd: palmas: Format the header file mfd: abx500-core: Remove unused function abx500_dump_all_banks() mfd: arizona: Correct addresses of always-on trigger registers mfd: max14577: Cast to architecture agnostic data type i2c: ChromeOS EC tunnel driver mfd: cros_ec: Sync to the latest cros_ec_commands.h from EC sources mfd: cros_ec: spi: Increase cros_ec_spi deadline from 5ms to 100ms mfd: cros_ec: spi: Make the cros_ec_spi timeout more reliable mfd: cros_ec: spi: Add mutex to cros_ec_spi mfd: cros_ec: spi: Calculate delay between transfers correctly mfd: arizona: Correct error message for addition of main IRQ chip mfd: wm8997: Add registers for high power mode mfd: arizona: Add MICVDD to mapped regulators mfd: ipaq-micro: Make mfd_cell array const mfd: ipaq-micro: Use devm_ioremap_resource() ...
Diffstat (limited to 'drivers/mfd/syscon.c')
-rw-r--r--drivers/mfd/syscon.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index e2a04bb8bc1e..ca15878ce5c0 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -95,7 +95,11 @@ struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np,
struct device_node *syscon_np;
struct regmap *regmap;
- syscon_np = of_parse_phandle(np, property, 0);
+ if (property)
+ syscon_np = of_parse_phandle(np, property, 0);
+ else
+ syscon_np = np;
+
if (!syscon_np)
return ERR_PTR(-ENODEV);