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72b4612af3
Add PM suspend/resume callbacks for RZ/G3E SMARC EVK. The PM deep entry is executed by pressing the SLEEP button and exit from entry is by pressing the power button. Logs: root@smarc-rzg3e:~# PM: suspend entry (deep) Filesystems sync: 0.115 seconds Freezing user space processes Freezing user space processes completed (elapsed 0.002 seconds) OOM killer disabled. Freezing remaining freezable tasks Freezing remaining freezable tasks completed (elapsed 0.001 seconds) printk: Suspending console(s) (use no_console_suspend to debug) NOTICE: BL2: v2.10.5(release):2.10.5/rz_soc_dev-162-g7148ba838 NOTICE: BL2: Built : 14:23:58, Jul 5 2025 NOTICE: BL2: SYS_LSI_MODE: 0x13e06 NOTICE: BL2: SYS_LSI_DEVID: 0x8679447 NOTICE: BL2: SYS_LSI_PRR: 0x0 NOTICE: BL2: Booting BL31 renesas-gbeth 15c30000.ethernet end0: Link is Down Disabling non-boot CPUs ... psci: CPU3 killed (polled 0 ms) psci: CPU2 killed (polled 0 ms) psci: CPU1 killed (polled 0 ms) Enabling non-boot CPUs ... Detected VIPT I-cache on CPU1 GICv3: CPU1: found redistributor 100 region 0:0x0000000014960000 CPU1: Booted secondary processor 0x0000000100 [0x412fd050] CPU1 is up Detected VIPT I-cache on CPU2 GICv3: CPU2: found redistributor 200 region 0:0x0000000014980000 CPU2: Booted secondary processor 0x0000000200 [0x412fd050] CPU2 is up Detected VIPT I-cache on CPU3 GICv3: CPU3: found redistributor 300 region 0:0x00000000149a0000 CPU3: Booted secondary processor 0x0000000300 [0x412fd050] CPU3 is up dwmac4: Master AXI performs fixed burst length 15c30000.ethernet end0: No Safety Features support found 15c30000.ethernet end0: IEEE 1588-2008 Advanced Timestamp supported 15c30000.ethernet end0: configuring for phy/rgmii-id link mode dwmac4: Master AXI performs fixed burst length 15c40000.ethernet end1: No Safety Features support found 15c40000.ethernet end1: IEEE 1588-2008 Advanced Timestamp supported 15c40000.ethernet end1: configuring for phy/rgmii-id link mode OOM killer enabled. Restarting tasks: Starting Restarting tasks: Done random: crng reseeded on system resumption PM: suspend exit 15c30000.ethernet end0: Link is Up - 1Gbps/Full - flow control rx/tx root@smarc-rzg3e:~# ifconfig end0 192.168.10.7 up root@smarc-rzg3e:~# ping 192.168.10.1 PING 192.168.10.1 (192.168.10.1) 56(84) bytes of data. 64 bytes from 192.168.10.1: icmp_seq=1 ttl=64 time=2.05 ms 64 bytes from 192.168.10.1: icmp_seq=2 ttl=64 time=0.928 ms Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://patch.msgid.link/20250717071109.8213-1-biju.das.jz@bp.renesas.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.