[yocto] [meta-raspberrypi][PATCH 1/3] udev: Create rules file to generate serial0/1

[Khem Raj]

On Tue, Apr 18, 2017 at 11:13 AM, Andrei Gherzan <andrei at gherzan.ro> wrote:
> Signed-off-by: Andrei Gherzan <andrei at gherzan.ro>
> ---
>  recipes-core/udev/udev-rules-rpi.bb           | 12 ++++++++++++
>  recipes-core/udev/udev-rules-rpi/99-com.rules | 21

perhaps a bbappend to udev-extraconf recipe is better ?

+++++++++++++++++++++
>  2 files changed, 33 insertions(+)
>  create mode 100644 recipes-core/udev/udev-rules-rpi.bb
>  create mode 100644 recipes-core/udev/udev-rules-rpi/99-com.rules
>
> diff --git a/recipes-core/udev/udev-rules-rpi.bb b/recipes-core/udev/udev-rules-rpi.bb
> new file mode 100644
> index 0000000..20443d3
> --- /dev/null
> +++ b/recipes-core/udev/udev-rules-rpi.bb
> @@ -0,0 +1,12 @@
> +DESCRIPTION = "udev rules for Raspberry Pi Boards"
> +LICENSE = "MIT"
> +LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
> +
> +SRC_URI = " file://99-com.rules"
> +
> +S = "${WORKDIR}"
> +
> +do_install () {
> +    install -d ${D}${sysconfdir}/udev/rules.d
> +    install -m 0644 ${WORKDIR}/99-com.rules ${D}${sysconfdir}/udev/rules.d/
> +}
> diff --git a/recipes-core/udev/udev-rules-rpi/99-com.rules b/recipes-core/udev/udev-rules-rpi/99-com.rules
> new file mode 100644
> index 0000000..6bf019b
> --- /dev/null
> +++ b/recipes-core/udev/udev-rules-rpi/99-com.rules
> @@ -0,0 +1,21 @@
> +KERNEL=="ttyAMA[01]", PROGRAM="/bin/sh -c '\
> +       ALIASES=/proc/device-tree/aliases; \
> +       if cmp -s $ALIASES/uart0 $ALIASES/serial0; then \
> +               echo 0;\
> +       elif cmp -s $ALIASES/uart0 $ALIASES/serial1; then \
> +               echo 1; \
> +       else \
> +               exit 1; \
> +       fi\
> +'", SYMLINK+="serial%c"
> +
> +KERNEL=="ttyS0", PROGRAM="/bin/sh -c '\
> +       ALIASES=/proc/device-tree/aliases; \
> +       if cmp -s $ALIASES/uart1 $ALIASES/serial0; then \
> +               echo 0; \
> +       elif cmp -s $ALIASES/uart1 $ALIASES/serial1; then \
> +               echo 1; \
> +       else \
> +               exit 1; \
> +       fi \
> +'", SYMLINK+="serial%c"
> --
> 2.12.2
>
> --
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