linux-stable/drivers/pinctrl
Martin DEVERA 6d8e04f9d3 pinctrl: sx150x: Fix pinctrl enablement order bug
I encountered bug in SX1502 expander driver in 5.7.7. Here is relevant
DTS part:

compatible = "semtech,sx1502q";
gpio4_cfg_pins: gpio2-cfg {
                         pins = "gpio5";
                         output-high;
     };

And part of OOPS:

[    0.673996] [<c023cfa6>] (gpiochip_get_data) from [<c023b235>]
(sx150x_gpio_direction_output+0xd)
[    0.683259] [<c023b235>] (sx150x_gpio_direction_output) from
[<c023b363>] (sx150x_pinconf_set+0x)
[    0.692796] [<c023b363>] (sx150x_pinconf_set) from [<c0238fef>]
(pinconf_apply_setting+0x39/0x7e)
[    0.701635] [<c0238fef>] (pinconf_apply_setting) from [<c0236c77>]
(pinctrl_commit_state+0xa5/0x)
[    0.710648] [<c0236c77>] (pinctrl_commit_state) from [<c0237e03>]
(pinctrl_enable+0xff/0x1d4)
[    0.719139] [<c0237e03>] (pinctrl_enable) from [<c023b791>]
(sx150x_probe+0x1a3/0x358)
[    0.727027] [<c023b791>] (sx150x_probe) from [<c02c38bf>]
(i2c_device_probe+0x1bb/0x1dc)

The problem is that sx150x_pinconf_set uses sx150x_gpio_direction_output
but gpio is not setup yet. Patch below fixes it but I'm not sure whether
is it correct.

Link: https://lore.kernel.org/r/f32130bf-cfd4-b1bf-538c-dbc9ee2d947a@eaxlabs.cz
Signed-off-by: Martin DEVERA <devik@eaxlabs.cz>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-09-12 18:11:09 +02:00
..
actions pinctrl: actions: pinctrl-s900: Constify s900_padinfo[] 2020-09-12 12:15:19 +02:00
aspeed pinctrl: aspeed: Describe the heartbeat function on ball Y23 2020-07-16 10:32:05 +02:00
bcm pinctrl: bcm: pinctrl-iproc-gpio: Rename incorrectly documented function param 2020-07-16 15:12:38 +02:00
berlin pinctrl: berlin: as370: fix a typo s/spififib/spdifib 2019-10-16 14:12:55 +02:00
cirrus pinctrl: madera: Add missing call to pinctrl_unregister_mappings 2020-02-29 00:34:23 +01:00
freescale This is the bulk of the pin control changes for the v5.9 2020-08-09 12:52:28 -07:00
intel pinctrl: intel: Add Intel Emmitsburg pin controller support 2020-07-21 11:44:21 +03:00
mediatek pinctrl: mediatek: Add pinctrl driver for mt8192 2020-08-27 10:50:57 +02:00
meson pinctrl: meson: pinctrl-meson-a1: Remove unused const variable 'i2c_slave_groups' 2020-07-16 15:58:12 +02:00
mvebu pinctrl: armada-37xx: Add comment for pcie1_reset pin group 2020-08-27 10:25:17 +02:00
nomadik pinctrl: nomadik: Fix pull direction debug info 2020-08-27 10:25:17 +02:00
nuvoton pinctrl: nuvoton: npcm7xx: constify copied structure 2020-01-07 13:55:55 +01:00
pxa pinctrl: pxa: pxa2xx: Remove 'pxa2xx_pinctrl_exit()' which is unused and broken 2020-06-04 00:05:13 +02:00
qcom pinctrl: qcom: Add msm8226 pinctrl driver. 2020-08-27 10:27:14 +02:00
samsung pinctrl: samsung: Use bank name as irqchip name 2020-08-04 01:29:10 +02:00
sh-pfc pinctrl: sh-pfc: pfc-r8a77951: Add R8A774E1 PFC support 2020-07-14 14:57:53 +02:00
sirf pinctrl: sirf: pinctrl-atlas7: Fix a bunch of documentation misdemeanours 2020-07-16 15:12:38 +02:00
spear pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
sprd pinctrl: sprd: Fix the incorrect pull-up definition 2020-06-04 00:15:20 +02:00
stm32 pinctrl: stm32: use the hwspin_lock_timeout_in_atomic() API 2020-07-23 15:19:28 +02:00
sunxi pinctrl: sunxi: add support for the Allwinner A100 pin controller 2020-09-12 12:35:42 +02:00
tegra This is the bulk of the pin control changes for the v5.9 2020-08-09 12:52:28 -07:00
ti pinctl: ti: iodelay: Replace HTTP links with HTTPS ones 2020-07-20 16:15:59 +02:00
uniphier pinctrl: uniphier: Replace zero-length array with flexible-array member 2020-02-21 15:36:24 +01:00
visconti pinctrl: visconti: Add Toshiba Visconti SoCs pinctrl support 2020-09-12 12:25:53 +02:00
vt8500 pinctrl: Use new GPIO_LINE_DIRECTION 2020-02-21 15:19:42 +01:00
zte pinctrl: fix several typos 2020-04-28 13:26:49 +02:00
core.c pinctrl: core: print gpio in pins debugfs file 2020-08-04 01:29:10 +02:00
core.h pinctrl: Allow modules to use pinctrl_[un]register_mappings 2019-12-30 14:27:17 +01:00
devicetree.c pinctrl: devicetree: Add one new attribute description and rename another two 2020-07-16 15:12:39 +02:00
devicetree.h pinctrl: devicetree.c: remove orphan pinctrl_dt_has_hogs() 2019-10-04 23:26:23 +02:00
Kconfig pinctrl: rockchip: depend on OF 2020-09-12 13:20:42 +02:00
Makefile pinctrl: visconti: Add Toshiba Visconti SoCs pinctrl support 2020-09-12 12:25:53 +02:00
pinconf-generic.c pinctrl: pinconf-generic: Add function parameter description 'pctldev' 2020-07-16 15:12:39 +02:00
pinconf.c
pinconf.h
pinctrl-amd.c pinctrl: amd: Use irqchip template 2020-08-04 01:29:10 +02:00
pinctrl-amd.h pinctrl: amd: fix npins for uart0 in kerncz_groups 2020-06-22 09:35:39 +02:00
pinctrl-artpec6.c pinctrl: artpec6: fix __iomem on reg in set 2020-01-07 13:57:17 +01:00
pinctrl-as3722.c
pinctrl-at91-pio4.c pinctrl: pinctrl-at91-pio4: PM related attribute descriptions 2020-07-16 15:12:39 +02:00
pinctrl-at91.c pinctrl: pinctrl-at91: Demote non-kerneldoc header and complete another 2020-07-16 15:13:55 +02:00
pinctrl-at91.h
pinctrl-axp209.c pinctrl: Use new GPIO_LINE_DIRECTION 2020-02-21 15:19:42 +01:00
pinctrl-bm1880.c pinctrl: pinctrl-bm1880: Rename ill documented struct attribute entries 2020-07-16 15:13:55 +02:00
pinctrl-coh901.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-coh901.h
pinctrl-da850-pupd.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-da9062.c pinctrl: da9062: Fix error gpiolib.h path 2020-02-28 14:15:53 +01:00
pinctrl-digicolor.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-equilibrium.c pinctrl: Fix warning by adding missing MODULE_LICENSE 2019-11-28 09:12:43 +01:00
pinctrl-equilibrium.h pinctrl: Add pinmux & GPIO controller driver for a new SoC 2019-11-21 14:47:44 +01:00
pinctrl-falcon.c pinctrl: falcon: fix syntax error 2020-03-09 13:52:37 +01:00
pinctrl-gemini.c
pinctrl-ingenic.c pinctrl: ingenic: Properly detect GPIO direction when configured for IRQ 2020-07-07 14:21:02 +02:00
pinctrl-lantiq.c pinctrl: fix several typos 2020-04-28 13:26:49 +02:00
pinctrl-lantiq.h
pinctrl-lpc18xx.c pinctrl: lpc18xx: Use fallthrough pseudo-keyword 2020-07-17 14:04:57 +02:00
pinctrl-max77620.c
pinctrl-mcp23s08.c pinctrl: mcp23s08: Fix mcp23x17 precious range 2020-09-12 11:31:19 +02:00
pinctrl-mcp23s08.h pinctrl: mcp23s08: Split to three parts: core, I²C, SPI 2020-04-16 14:21:23 +02:00
pinctrl-mcp23s08_i2c.c pinctrl: mcp23s08: Split to three parts: core, I²C, SPI 2020-04-16 14:21:23 +02:00
pinctrl-mcp23s08_spi.c pinctrl: mcp23s08: Split to three parts: fix ptr_ret.cocci warnings 2020-06-16 10:19:53 +02:00
pinctrl-ocelot.c pinctrl: ocelot: Add Sparx5 SoC support 2020-07-07 13:58:21 +02:00
pinctrl-oxnas.c pinctrl: Use new GPIO_LINE_DIRECTION 2020-02-21 15:19:42 +01:00
pinctrl-palmas.c
pinctrl-pic32.c pinctrl: Use new GPIO_LINE_DIRECTION 2020-02-21 15:19:42 +01:00
pinctrl-pic32.h
pinctrl-pistachio.c pinctrl: Use new GPIO_LINE_DIRECTION 2020-02-21 15:19:42 +01:00
pinctrl-rk805.c pinctrl: rk805: Constify rk805_gpio_cfgs 2020-05-12 13:35:33 +02:00
pinctrl-rockchip.c pinctrl: rockchip: Replace HTTP links with HTTPS ones 2020-07-17 13:36:25 +02:00
pinctrl-rza1.c pinctrl: rza1: Demote some kerneldoc headers and fix others 2020-07-16 09:56:24 +02:00
pinctrl-rza2.c pinctrl: Use new GPIO_LINE_DIRECTION 2020-02-21 15:19:42 +01:00
pinctrl-rzn1.c pinctrl: rzn1: Make array reg_drive static, makes object smaller 2019-10-14 12:11:12 +02:00
pinctrl-single.c pinctrl: single: Use fallthrough pseudo-keyword 2020-07-20 15:39:31 +02:00
pinctrl-st.c pinctrl: Use new GPIO_LINE_DIRECTION 2020-02-21 15:19:42 +01:00
pinctrl-stmfx.c pinctrl: stmfx: Use irqchip template 2020-08-04 01:29:10 +02:00
pinctrl-sx150x.c pinctrl: sx150x: Fix pinctrl enablement order bug 2020-09-12 18:11:09 +02:00
pinctrl-tb10x.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-u300.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-utils.c
pinctrl-utils.h
pinctrl-xway.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-zynq.c
pinmux.c pinctrl: pinmux: Add some missing parameter descriptions 2020-07-16 15:12:38 +02:00
pinmux.h