From: カオ ミン ヒェップ <cm-hiep@jinso.co.jp>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: "Magnus Damm" <damm@opensource.se>,
"Simon Horman" <simon@horms.net>,
linux-gpio@vger.kernel.org, "Simon Horman" <horms@verge.net.au>,
"Kuninori Morimoto" <kuninori.morimoto.gx@gmail.com>,
S開12/森本さん <kuninori.morimoto.gx@renesas.com>,
SH-Linux <linux-sh@vger.kernel.org>
Subject: Re: [Bug] GPIO-Rcar: Driver does not work after Unbind-rebind.
Date: Tue, 05 Aug 2014 11:37:23 +0900 [thread overview]
Message-ID: <53E04363.2040709@jinso.co.jp> (raw)
In-Reply-To: <11539044.7ozDkqgRA7@avalon>
[-- Attachment #1: Type: text/plain, Size: 1748 bytes --]
Hi Laurent
Thanks for your replying!
On 08/05/2014 10:05 AM, Laurent Pinchart wrote:
> Hello,
>
> On Friday 01 August 2014 16:14:27 カオ ミン ヒェップ wrote:
>> Hello,
>>
>> I tested gpio-rcar driver at Linux-upstream-v3.16-rc5 on Lager.
>> When I tried to unbind and then rebind the device, error messages occur.
>> Then gpio-rcar did not work and interrupt number did not count up any more.
>>
>> The error messages is showed as below:
>> "irq 0, desc: ee005040, depth: 1, cou0
>> ->handle_irq(): c005eea0, handle_bad_irq+0x0/0x21c
>> ->irq_data.chip(): c05de7f8, 0xc05de7f8
>> ->action(): (null)
>> IRQ_NOPROBE set
>> IRQ_NOREQUEST set
>> irq 0, desc: ee005040, depth: 1, count: 0, unhandled: 0
>> ->handle_irq(): c005eea0, handle_bad_irq+0x0/0x21c
>> ->irq_data.chip(): c05de7f8, 0xc05de7f8
>> ->action(): (null)
>> IRQ_NOPROBE set
>> IRQ_NOREQUEST set"
>>
>> Please see it and fix this bug.
> Could you please detail the procedure to follow to reproduce the problem ?
>
Below is the procedure to follow to reproduce the problem:
1. The first, confirms gpio device:
# cd /sys/bus/platform/drivers/gpio_rcar;find -type l
2. unbind the device:
# cd /sys/bus/platform/drivers/gpio_rcar; echo e6051000.gpio> unbind
3. Confirm unbind status:
# cd /sys/bus/platform/drivers/gpio_rcar; ls -d e6051000.gpio
4. rebind the device:
# cd /sys/bus/platform/drivers/gpio_rcar; echo e6051000.gpio > bind
5. confirm bind status:
# cd /sys/bus/platform/drivers/gpio_rcar; ls -d e6051000.gpio
6.# cat /proc/interrupts | grep e6051000.gpio
7. Switch SW2 ON/OFF on the board to ensure that device works normally
after rebinding.
I attached the detail log of two cases unbinding-rebinding e6051000.gpio
and e6053000.gpio
[-- Attachment #2: e6051000.gpio_unbind-rebind_log.txt --]
[-- Type: text/plain, Size: 3404 bytes --]
# uname -a
Linux linaro-nano 3.16.0-rc5-00001-gf522b45 #1 SMP Tue Aug 5 10:25:16 JST 2014 armv7l armv7l armv7l GNU/Linux
# dmesg | grep gpio
gpio-regulator regulator@2: Could not obtain regulator setting GPIOs: -517
platform regulator@2: Driver gpio-regulator requests probe deferral
gpio-regulator regulator@4: Could not obtain regulator setting GPIOs: -517
platform regulator@4: Driver gpio-regulator requests probe deferral
gpio_rcar e6050000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6050000.gpio: driving 32 GPIOs
gpio_rcar e6051000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6051000.gpio: driving 32 GPIOs
gpio_rcar e6052000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6052000.gpio: driving 32 GPIOs
gpio_rcar e6053000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6053000.gpio: driving 32 GPIOs
gpio_rcar e6054000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6054000.gpio: driving 32 GPIOs
gpio_rcar e6055000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6055000.gpio: driving 32 GPIOs
input: gpio_keys as /devices/gpio_keys/input/input0
# cd /sys/bus/platform/drivers/gpio_rcar; ls -d e6051000.gpio
e6051000.gpio
# cd /sys/bus/platform/drivers/gpio_rcar; echo e6051000.gpio> unbind
root@linaro-nano:/sys/bus/platform/drivers/gpio_rcar# ls -d e6051000.gpio
ls: cannot access e6051000.gpio: No such file or directory
root@linaro-nano:/sys/bus/platform/drivers/gpio_rcar# ls /dev/input/event0
ls: cannot access /dev/input/event0: No such file or directory
# cd /sys/bus/platform/drivers/gpio_rcar; echo e6051000.gpio > bind
gpio_rcar e6051000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6051000.gpio: driving 32 GPIOs
# ls -d e6051000.gpio/drivers/gpio_rcar# cd /sys/bus/platform/drive
e6051000.gpio
# cat /proc/interrupts | grep e6051000.gpio
37: 0 0 0 0 GIC 37 e6051000.gpio
419: 0 0 0 0 e6051000.gpio 14 SW2-1
420: 0 0 0 0 e6051000.gpio 24 SW2-2
421: 0 0 0 0 e6051000.gpio 26 SW2-3
422: 0 0 0 0 e6051000.gpio 28 SW2-4
When switchs the SW2 ON/OFF, the error messages occur as below:
root@linaro-nano:/sys/bus/platform/drivers/gpio_rcar# irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
[-- Attachment #3: e6053000.gpio_unbind-rebind_log.txt --]
[-- Type: text/plain, Size: 2851 bytes --]
# uname -a
Linux linaro-nano 3.16.0-rc5-00001-gf522b45 #1 SMP Tue Aug 5 10:25:16 JST 2014 armv7l armv7l armv7l GNU/Linux
root@linaro-nano:~# cd /sys/bus/platform/drivers/gpio_rcar;find -type l
./e6051000.gpio
./e6053000.gpio
./e6055000.gpio
./e6050000.gpio
./e6052000.gpio
./e6054000.gpio
platform e6053000.gpio: Runtime PM disabled, clock forced off.
#echo e6053000.gpio> unbind
root@linaro-nano:/sys/bus/platform/drivers/gpio_rcar# ls -d e6053000.gpio
ls: cannot access e6053000.gpio: No such file or directory
#echo e6053000.gpio > bind
gpio_rcar e6053000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6053000.gpio: driving 32 GPIOs
root@linaro-nano:/sys/bus/platform/drivers/gpio_rcar# ls -d e6053000.gpio
e6053000.gpio
root@linaro-nano:~# cat /proc/interrupts | grep e6053000.gpio
39: 0 0 0 0 GIC 39 e6053000.gpio
When Insert/remove mSD into/from SD0 and SD2 slot, the error messages occur as below:
root@linaro-nano:~# irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
WARNING: multiple messages have this Message-ID (diff)
From: カオ ミン ヒェップ <cm-hiep@jinso.co.jp>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: "Magnus Damm" <damm@opensource.se>,
"Simon Horman" <simon@horms.net>,
linux-gpio@vger.kernel.org, "Simon Horman" <horms@verge.net.au>,
"Kuninori Morimoto" <kuninori.morimoto.gx@gmail.com>,
S開12/森本さん <kuninori.morimoto.gx@renesas.com>,
SH-Linux <linux-sh@vger.kernel.org>
Subject: Re: [Bug] GPIO-Rcar: Driver does not work after Unbind-rebind.
Date: Tue, 05 Aug 2014 02:37:23 +0000 [thread overview]
Message-ID: <53E04363.2040709@jinso.co.jp> (raw)
In-Reply-To: <11539044.7ozDkqgRA7@avalon>
[-- Attachment #1: Type: text/plain, Size: 1748 bytes --]
Hi Laurent
Thanks for your replying!
On 08/05/2014 10:05 AM, Laurent Pinchart wrote:
> Hello,
>
> On Friday 01 August 2014 16:14:27 カオ ミン ヒェップ wrote:
>> Hello,
>>
>> I tested gpio-rcar driver at Linux-upstream-v3.16-rc5 on Lager.
>> When I tried to unbind and then rebind the device, error messages occur.
>> Then gpio-rcar did not work and interrupt number did not count up any more.
>>
>> The error messages is showed as below:
>> "irq 0, desc: ee005040, depth: 1, cou0
>> ->handle_irq(): c005eea0, handle_bad_irq+0x0/0x21c
>> ->irq_data.chip(): c05de7f8, 0xc05de7f8
>> ->action(): (null)
>> IRQ_NOPROBE set
>> IRQ_NOREQUEST set
>> irq 0, desc: ee005040, depth: 1, count: 0, unhandled: 0
>> ->handle_irq(): c005eea0, handle_bad_irq+0x0/0x21c
>> ->irq_data.chip(): c05de7f8, 0xc05de7f8
>> ->action(): (null)
>> IRQ_NOPROBE set
>> IRQ_NOREQUEST set"
>>
>> Please see it and fix this bug.
> Could you please detail the procedure to follow to reproduce the problem ?
>
Below is the procedure to follow to reproduce the problem:
1. The first, confirms gpio device:
# cd /sys/bus/platform/drivers/gpio_rcar;find -type l
2. unbind the device:
# cd /sys/bus/platform/drivers/gpio_rcar; echo e6051000.gpio> unbind
3. Confirm unbind status:
# cd /sys/bus/platform/drivers/gpio_rcar; ls -d e6051000.gpio
4. rebind the device:
# cd /sys/bus/platform/drivers/gpio_rcar; echo e6051000.gpio > bind
5. confirm bind status:
# cd /sys/bus/platform/drivers/gpio_rcar; ls -d e6051000.gpio
6.# cat /proc/interrupts | grep e6051000.gpio
7. Switch SW2 ON/OFF on the board to ensure that device works normally
after rebinding.
I attached the detail log of two cases unbinding-rebinding e6051000.gpio
and e6053000.gpio
[-- Attachment #2: e6051000.gpio_unbind-rebind_log.txt --]
[-- Type: text/plain, Size: 3404 bytes --]
# uname -a
Linux linaro-nano 3.16.0-rc5-00001-gf522b45 #1 SMP Tue Aug 5 10:25:16 JST 2014 armv7l armv7l armv7l GNU/Linux
# dmesg | grep gpio
gpio-regulator regulator@2: Could not obtain regulator setting GPIOs: -517
platform regulator@2: Driver gpio-regulator requests probe deferral
gpio-regulator regulator@4: Could not obtain regulator setting GPIOs: -517
platform regulator@4: Driver gpio-regulator requests probe deferral
gpio_rcar e6050000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6050000.gpio: driving 32 GPIOs
gpio_rcar e6051000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6051000.gpio: driving 32 GPIOs
gpio_rcar e6052000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6052000.gpio: driving 32 GPIOs
gpio_rcar e6053000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6053000.gpio: driving 32 GPIOs
gpio_rcar e6054000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6054000.gpio: driving 32 GPIOs
gpio_rcar e6055000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6055000.gpio: driving 32 GPIOs
input: gpio_keys as /devices/gpio_keys/input/input0
# cd /sys/bus/platform/drivers/gpio_rcar; ls -d e6051000.gpio
e6051000.gpio
# cd /sys/bus/platform/drivers/gpio_rcar; echo e6051000.gpio> unbind
root@linaro-nano:/sys/bus/platform/drivers/gpio_rcar# ls -d e6051000.gpio
ls: cannot access e6051000.gpio: No such file or directory
root@linaro-nano:/sys/bus/platform/drivers/gpio_rcar# ls /dev/input/event0
ls: cannot access /dev/input/event0: No such file or directory
# cd /sys/bus/platform/drivers/gpio_rcar; echo e6051000.gpio > bind
gpio_rcar e6051000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6051000.gpio: driving 32 GPIOs
# ls -d e6051000.gpio/drivers/gpio_rcar# cd /sys/bus/platform/drive
e6051000.gpio
# cat /proc/interrupts | grep e6051000.gpio
37: 0 0 0 0 GIC 37 e6051000.gpio
419: 0 0 0 0 e6051000.gpio 14 SW2-1
420: 0 0 0 0 e6051000.gpio 24 SW2-2
421: 0 0 0 0 e6051000.gpio 26 SW2-3
422: 0 0 0 0 e6051000.gpio 28 SW2-4
When switchs the SW2 ON/OFF, the error messages occur as below:
root@linaro-nano:/sys/bus/platform/drivers/gpio_rcar# irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
[-- Attachment #3: e6053000.gpio_unbind-rebind_log.txt --]
[-- Type: text/plain, Size: 2851 bytes --]
# uname -a
Linux linaro-nano 3.16.0-rc5-00001-gf522b45 #1 SMP Tue Aug 5 10:25:16 JST 2014 armv7l armv7l armv7l GNU/Linux
root@linaro-nano:~# cd /sys/bus/platform/drivers/gpio_rcar;find -type l
./e6051000.gpio
./e6053000.gpio
./e6055000.gpio
./e6050000.gpio
./e6052000.gpio
./e6054000.gpio
platform e6053000.gpio: Runtime PM disabled, clock forced off.
#echo e6053000.gpio> unbind
root@linaro-nano:/sys/bus/platform/drivers/gpio_rcar# ls -d e6053000.gpio
ls: cannot access e6053000.gpio: No such file or directory
#echo e6053000.gpio > bind
gpio_rcar e6053000.gpio: Runtime PM disabled, clock forced on.
gpio_rcar e6053000.gpio: driving 32 GPIOs
root@linaro-nano:/sys/bus/platform/drivers/gpio_rcar# ls -d e6053000.gpio
e6053000.gpio
root@linaro-nano:~# cat /proc/interrupts | grep e6053000.gpio
39: 0 0 0 0 GIC 39 e6053000.gpio
When Insert/remove mSD into/from SD0 and SD2 slot, the error messages occur as below:
root@linaro-nano:~# irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
irq 0, desc: eec05040, depth: 1, count: 0, unhandled: 0
->handle_irq(): c005fd0c, handle_bad_irq+0x0/0x21c
->irq_data.chip(): c05ec790, 0xc05ec790
->action(): (null)
IRQ_NOPROBE set
IRQ_NOREQUEST set
next prev parent reply other threads:[~2014-08-05 2:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-01 7:14 [Bug] GPIO-Rcar: Driver does not work after Unbind-rebind カオ ミン ヒェップ
2014-08-01 7:14 ` カオ ミン ヒェップ
2014-08-05 1:05 ` Laurent Pinchart
2014-08-05 1:05 ` Laurent Pinchart
2014-08-05 2:37 ` カオ ミン ヒェップ [this message]
2014-08-05 2:37 ` カオ ミン ヒェップ
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