[meta-ti] Denys Dmytriyenko : udev: rules for seamless transition to 8250_omap serial driver
Carlos Hernandez
ceh at ti.com
Fri Feb 27 05:23:16 PST 2015
BTW, the rule is fine but for some reason is not triggering on boot.
I had to ssh into the board and run udevadm trigger to get symlinks
created (see below)
root at dra7xx-evm:~# ls -l /dev/tty*
crw-rw-rw- 1 root tty 5, 0 Feb 17 12:43 /dev/tty
crw--w---- 1 root tty 4, 0 Feb 17 12:43 /dev/tty0
crw--w---- 1 root root 4, 1 Feb 17 12:59 /dev/tty1
crw--w---- 1 root tty 4, 10 Feb 17 12:43 /dev/tty10
crw--w---- 1 root tty 4, 11 Feb 17 12:43 /dev/tty11
crw--w---- 1 root tty 4, 12 Feb 17 12:43 /dev/tty12
crw--w---- 1 root tty 4, 13 Feb 17 12:43 /dev/tty13
crw--w---- 1 root tty 4, 14 Feb 17 12:43 /dev/tty14
crw--w---- 1 root tty 4, 15 Feb 17 12:43 /dev/tty15
crw--w---- 1 root tty 4, 16 Feb 17 12:43 /dev/tty16
crw--w---- 1 root tty 4, 17 Feb 17 12:43 /dev/tty17
crw--w---- 1 root tty 4, 18 Feb 17 12:43 /dev/tty18
crw--w---- 1 root tty 4, 19 Feb 17 12:43 /dev/tty19
crw--w---- 1 root tty 4, 2 Feb 17 12:43 /dev/tty2
crw--w---- 1 root tty 4, 20 Feb 17 12:43 /dev/tty20
crw--w---- 1 root tty 4, 21 Feb 17 12:43 /dev/tty21
crw--w---- 1 root tty 4, 22 Feb 17 12:43 /dev/tty22
crw--w---- 1 root tty 4, 23 Feb 17 12:43 /dev/tty23
crw--w---- 1 root tty 4, 24 Feb 17 12:43 /dev/tty24
crw--w---- 1 root tty 4, 25 Feb 17 12:43 /dev/tty25
crw--w---- 1 root tty 4, 26 Feb 17 12:43 /dev/tty26
crw--w---- 1 root tty 4, 27 Feb 17 12:43 /dev/tty27
crw--w---- 1 root tty 4, 28 Feb 17 12:43 /dev/tty28
crw--w---- 1 root tty 4, 29 Feb 17 12:43 /dev/tty29
crw--w---- 1 root tty 4, 3 Feb 17 12:43 /dev/tty3
crw--w---- 1 root tty 4, 30 Feb 17 12:43 /dev/tty30
crw--w---- 1 root tty 4, 31 Feb 17 12:43 /dev/tty31
crw--w---- 1 root tty 4, 32 Feb 17 12:43 /dev/tty32
crw--w---- 1 root tty 4, 33 Feb 17 12:43 /dev/tty33
crw--w---- 1 root tty 4, 34 Feb 17 12:43 /dev/tty34
crw--w---- 1 root tty 4, 35 Feb 17 12:43 /dev/tty35
crw--w---- 1 root tty 4, 36 Feb 17 12:43 /dev/tty36
crw--w---- 1 root tty 4, 37 Feb 17 12:43 /dev/tty37
crw--w---- 1 root tty 4, 38 Feb 17 12:43 /dev/tty38
crw--w---- 1 root tty 4, 39 Feb 17 12:43 /dev/tty39
crw--w---- 1 root tty 4, 4 Feb 17 12:43 /dev/tty4
crw--w---- 1 root tty 4, 40 Feb 17 12:43 /dev/tty40
crw--w---- 1 root tty 4, 41 Feb 17 12:43 /dev/tty41
crw--w---- 1 root tty 4, 42 Feb 17 12:43 /dev/tty42
crw--w---- 1 root tty 4, 43 Feb 17 12:43 /dev/tty43
crw--w---- 1 root tty 4, 44 Feb 17 12:43 /dev/tty44
crw--w---- 1 root tty 4, 45 Feb 17 12:43 /dev/tty45
crw--w---- 1 root tty 4, 46 Feb 17 12:43 /dev/tty46
crw--w---- 1 root tty 4, 47 Feb 17 12:43 /dev/tty47
crw--w---- 1 root tty 4, 48 Feb 17 12:43 /dev/tty48
crw--w---- 1 root tty 4, 49 Feb 17 12:43 /dev/tty49
crw--w---- 1 root tty 4, 5 Feb 17 12:43 /dev/tty5
crw--w---- 1 root tty 4, 50 Feb 17 12:43 /dev/tty50
crw--w---- 1 root tty 4, 51 Feb 17 12:43 /dev/tty51
crw--w---- 1 root tty 4, 52 Feb 17 12:43 /dev/tty52
crw--w---- 1 root tty 4, 53 Feb 17 12:43 /dev/tty53
crw--w---- 1 root tty 4, 54 Feb 17 12:43 /dev/tty54
crw--w---- 1 root tty 4, 55 Feb 17 12:43 /dev/tty55
crw--w---- 1 root tty 4, 56 Feb 17 12:43 /dev/tty56
crw--w---- 1 root tty 4, 57 Feb 17 12:43 /dev/tty57
crw--w---- 1 root tty 4, 58 Feb 17 12:43 /dev/tty58
crw--w---- 1 root tty 4, 59 Feb 17 12:43 /dev/tty59
crw--w---- 1 root tty 4, 6 Feb 17 12:43 /dev/tty6
crw--w---- 1 root tty 4, 60 Feb 17 12:43 /dev/tty60
crw--w---- 1 root tty 4, 61 Feb 17 12:43 /dev/tty61
crw--w---- 1 root tty 4, 62 Feb 17 12:43 /dev/tty62
crw--w---- 1 root tty 4, 63 Feb 17 12:43 /dev/tty63
crw--w---- 1 root tty 4, 7 Feb 17 12:43 /dev/tty7
crw--w---- 1 root tty 4, 8 Feb 17 12:43 /dev/tty8
crw--w---- 1 root tty 4, 9 Feb 17 12:43 /dev/tty9
crw-rw---- 1 root dialout 4, 64 Feb 17 12:43 /dev/ttyS0
crw-rw---- 1 root dialout 4, 65 Feb 17 12:43 /dev/ttyS1
crw-rw---- 1 root dialout 4, 66 Feb 17 12:59 /dev/ttyS2
crw-rw---- 1 root dialout 4, 67 Feb 17 12:43 /dev/ttyS3
crw-rw---- 1 root dialout 4, 68 Feb 17 12:43 /dev/ttyS4
crw-rw---- 1 root dialout 4, 69 Feb 17 12:43 /dev/ttyS5
crw-rw---- 1 root dialout 4, 70 Feb 17 12:43 /dev/ttyS6
crw-rw---- 1 root dialout 4, 71 Feb 17 12:43 /dev/ttyS7
crw-rw---- 1 root dialout 4, 72 Feb 17 12:43 /dev/ttyS8
crw-rw---- 1 root dialout 4, 73 Feb 17 12:43 /dev/ttyS9
root at dra7xx-evm:~# udevadm trigger
root at dra7xx-evm:~# ls -l /dev/tty*
crw-rw-rw- 1 root tty 5, 0 Feb 17 13:09 /dev/tty
crw--w---- 1 root tty 4, 0 Feb 17 13:09 /dev/tty0
crw--w---- 1 root tty 4, 1 Feb 17 13:09 /dev/tty1
crw--w---- 1 root tty 4, 10 Feb 17 13:09 /dev/tty10
crw--w---- 1 root tty 4, 11 Feb 17 13:09 /dev/tty11
crw--w---- 1 root tty 4, 12 Feb 17 13:09 /dev/tty12
crw--w---- 1 root tty 4, 13 Feb 17 13:09 /dev/tty13
crw--w---- 1 root tty 4, 14 Feb 17 13:09 /dev/tty14
crw--w---- 1 root tty 4, 15 Feb 17 13:09 /dev/tty15
crw--w---- 1 root tty 4, 16 Feb 17 13:09 /dev/tty16
crw--w---- 1 root tty 4, 17 Feb 17 13:09 /dev/tty17
crw--w---- 1 root tty 4, 18 Feb 17 13:09 /dev/tty18
crw--w---- 1 root tty 4, 19 Feb 17 13:09 /dev/tty19
crw--w---- 1 root tty 4, 2 Feb 17 13:09 /dev/tty2
crw--w---- 1 root tty 4, 20 Feb 17 13:09 /dev/tty20
crw--w---- 1 root tty 4, 21 Feb 17 13:09 /dev/tty21
crw--w---- 1 root tty 4, 22 Feb 17 13:09 /dev/tty22
crw--w---- 1 root tty 4, 23 Feb 17 13:09 /dev/tty23
crw--w---- 1 root tty 4, 24 Feb 17 13:09 /dev/tty24
crw--w---- 1 root tty 4, 25 Feb 17 13:09 /dev/tty25
crw--w---- 1 root tty 4, 26 Feb 17 13:09 /dev/tty26
crw--w---- 1 root tty 4, 27 Feb 17 13:09 /dev/tty27
crw--w---- 1 root tty 4, 28 Feb 17 13:09 /dev/tty28
crw--w---- 1 root tty 4, 29 Feb 17 13:09 /dev/tty29
crw--w---- 1 root tty 4, 3 Feb 17 13:09 /dev/tty3
crw--w---- 1 root tty 4, 30 Feb 17 13:09 /dev/tty30
crw--w---- 1 root tty 4, 31 Feb 17 13:09 /dev/tty31
crw--w---- 1 root tty 4, 32 Feb 17 13:09 /dev/tty32
crw--w---- 1 root tty 4, 33 Feb 17 13:09 /dev/tty33
crw--w---- 1 root tty 4, 34 Feb 17 13:09 /dev/tty34
crw--w---- 1 root tty 4, 35 Feb 17 13:09 /dev/tty35
crw--w---- 1 root tty 4, 36 Feb 17 13:09 /dev/tty36
crw--w---- 1 root tty 4, 37 Feb 17 13:09 /dev/tty37
crw--w---- 1 root tty 4, 38 Feb 17 13:09 /dev/tty38
crw--w---- 1 root tty 4, 39 Feb 17 13:09 /dev/tty39
crw--w---- 1 root tty 4, 4 Feb 17 13:09 /dev/tty4
crw--w---- 1 root tty 4, 40 Feb 17 13:09 /dev/tty40
crw--w---- 1 root tty 4, 41 Feb 17 13:09 /dev/tty41
crw--w---- 1 root tty 4, 42 Feb 17 13:09 /dev/tty42
crw--w---- 1 root tty 4, 43 Feb 17 13:09 /dev/tty43
crw--w---- 1 root tty 4, 44 Feb 17 13:09 /dev/tty44
crw--w---- 1 root tty 4, 45 Feb 17 13:09 /dev/tty45
crw--w---- 1 root tty 4, 46 Feb 17 13:09 /dev/tty46
crw--w---- 1 root tty 4, 47 Feb 17 13:09 /dev/tty47
crw--w---- 1 root tty 4, 48 Feb 17 13:09 /dev/tty48
crw--w---- 1 root tty 4, 49 Feb 17 13:09 /dev/tty49
crw--w---- 1 root tty 4, 5 Feb 17 13:09 /dev/tty5
crw--w---- 1 root tty 4, 50 Feb 17 13:09 /dev/tty50
crw--w---- 1 root tty 4, 51 Feb 17 13:09 /dev/tty51
crw--w---- 1 root tty 4, 52 Feb 17 13:09 /dev/tty52
crw--w---- 1 root tty 4, 53 Feb 17 13:09 /dev/tty53
crw--w---- 1 root tty 4, 54 Feb 17 13:09 /dev/tty54
crw--w---- 1 root tty 4, 55 Feb 17 13:09 /dev/tty55
crw--w---- 1 root tty 4, 56 Feb 17 13:09 /dev/tty56
crw--w---- 1 root tty 4, 57 Feb 17 13:09 /dev/tty57
crw--w---- 1 root tty 4, 58 Feb 17 13:09 /dev/tty58
crw--w---- 1 root tty 4, 59 Feb 17 13:09 /dev/tty59
crw--w---- 1 root tty 4, 6 Feb 17 13:09 /dev/tty6
crw--w---- 1 root tty 4, 60 Feb 17 13:09 /dev/tty60
crw--w---- 1 root tty 4, 61 Feb 17 13:09 /dev/tty61
crw--w---- 1 root tty 4, 62 Feb 17 13:09 /dev/tty62
crw--w---- 1 root tty 4, 63 Feb 17 13:09 /dev/tty63
crw--w---- 1 root tty 4, 7 Feb 17 13:09 /dev/tty7
crw--w---- 1 root tty 4, 8 Feb 17 13:09 /dev/tty8
crw--w---- 1 root tty 4, 9 Feb 17 13:09 /dev/tty9
lrwxrwxrwx 1 root root 5 Feb 17 13:09 /dev/ttyO0 -> ttyS0
lrwxrwxrwx 1 root root 5 Feb 17 13:09 /dev/ttyO2 -> ttyS2
crw-rw---- 1 root dialout 4, 64 Feb 17 13:09 /dev/ttyS0
crw-rw---- 1 root dialout 4, 65 Feb 17 13:09 /dev/ttyS1
crw-rw---- 1 root dialout 4, 66 Feb 17 13:09 /dev/ttyS2
crw-rw---- 1 root dialout 4, 67 Feb 17 13:09 /dev/ttyS3
crw-rw---- 1 root dialout 4, 68 Feb 17 13:09 /dev/ttyS4
crw-rw---- 1 root dialout 4, 69 Feb 17 13:09 /dev/ttyS5
crw-rw---- 1 root dialout 4, 70 Feb 17 13:09 /dev/ttyS6
crw-rw---- 1 root dialout 4, 71 Feb 17 13:09 /dev/ttyS7
crw-rw---- 1 root dialout 4, 72 Feb 17 13:09 /dev/ttyS8
crw-rw---- 1 root dialout 4, 73 Feb 17 13:09 /dev/ttyS9
root at dra7xx-evm:~#
On 02/27/2015 07:48 AM, Carlos Hernandez wrote:
> Acked-by: Carlos Hernandez <ceh at ti.com>
>
> On 02/26/2015 08:33 PM, Arago Project git wrote:
>> Module: meta-ti
>> Branch: master
>> Commit: 4ce69eff28103778508d23af766e6204c95595d3
>> URL:
>> http://arago-project.org/git/meta-ti.git?a=commit;h=4ce69eff28103778508d23af766e6204c95595d3
>>
>> Author: Denys Dmytriyenko <denys at ti.com>
>> Date: Thu Feb 26 14:51:40 2015 -0500
>>
>> udev: rules for seamless transition to 8250_omap serial driver
>>
>> Signed-off-by: Denys Dmytriyenko <denys at ti.com>
>>
>> ---
>>
>> recipes-core/udev/udev/omap-tty.rules | 17 +++++++++++++++++
>> recipes-core/udev/udev_%.bbappend | 9 +++++++++
>> 2 files changed, 26 insertions(+), 0 deletions(-)
>>
>> diff --git a/recipes-core/udev/udev/omap-tty.rules
>> b/recipes-core/udev/udev/omap-tty.rules
>> new file mode 100644
>> index 0000000..989d60f
>> --- /dev/null
>> +++ b/recipes-core/udev/udev/omap-tty.rules
>> @@ -0,0 +1,17 @@
>> +# There are a number of modifiers that are allowed to be used in some
>> +# of the different fields. They provide the following subsitutions:
>> +#
>> +# %n the "kernel number" of the device.
>> +# For example, 'sda3' has a "kernel number" of '3'
>> +# %e the smallest number for that name which does not matches an
>> existing node
>> +# %k the kernel name for the device
>> +# %M the kernel major number for the device
>> +# %m the kernel minor number for the device
>> +# %b the bus id for the device
>> +# %c the string returned by the PROGRAM
>> +# %s{filename} the content of a sysfs attribute
>> +# %% the '%' char itself
>> +#
>> +
>> +# Backward compatibility with old OMAP UART-style ttyO0 naming
>> +SUBSYSTEM=="tty", ATTR{uartclk}!="0", KERNEL=="ttyS[0-9]",
>> SYMLINK+="ttyO%n"
>> diff --git a/recipes-core/udev/udev_%.bbappend
>> b/recipes-core/udev/udev_%.bbappend
>> new file mode 100644
>> index 0000000..fd0d99b
>> --- /dev/null
>> +++ b/recipes-core/udev/udev_%.bbappend
>> @@ -0,0 +1,9 @@
>> +FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
>> +
>> +SRC_URI_append = " file://omap-tty.rules"
>> +
>> +PR_append = ".0"
>> +
>> +do_install_append() {
>> + install -m 0644 ${WORKDIR}/omap-tty.rules
>> ${D}${sysconfdir}/udev/rules.d/
>> +}
>>
>
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