* [PATCH net-next v2] net: stmmac: dwmac-renesas-gbeth: Add PM suspend/resume callbacks
@ 2025-07-17 7:11 Biju Das
2025-07-22 0:30 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: Biju Das @ 2025-07-17 7:11 UTC (permalink / raw)
To: Lad Prabhakar, Andrew Lunn, David S. Miller, Eric Dumazet,
Jakub Kicinski, Paolo Abeni, Maxime Coquelin, Alexandre Torgue
Cc: Biju Das, netdev, linux-renesas-soc, linux-stm32,
linux-arm-kernel, linux-kernel, Geert Uytterhoeven, Biju Das,
Russell King
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>
---
v1->v2:
* Collected tags.
Note:
This patch is tested with out-of tree patch for save/restore
ethernet OEN registers in the pinctrl block.
---
drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c
index 9a774046455b..df4ca897a60c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c
@@ -136,6 +136,7 @@ static struct platform_driver renesas_gbeth_driver = {
.probe = renesas_gbeth_probe,
.driver = {
.name = "renesas-gbeth",
+ .pm = &stmmac_pltfr_pm_ops,
.of_match_table = renesas_gbeth_match,
},
};
--
2.43.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net-next v2] net: stmmac: dwmac-renesas-gbeth: Add PM suspend/resume callbacks
2025-07-17 7:11 [PATCH net-next v2] net: stmmac: dwmac-renesas-gbeth: Add PM suspend/resume callbacks Biju Das
@ 2025-07-22 0:30 ` patchwork-bot+netdevbpf
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2025-07-22 0:30 UTC (permalink / raw)
To: Biju Das
Cc: prabhakar.mahadev-lad.rj, andrew+netdev, davem, edumazet, kuba,
pabeni, mcoquelin.stm32, alexandre.torgue, netdev,
linux-renesas-soc, linux-stm32, linux-arm-kernel, linux-kernel,
geert+renesas, biju.das.au, rmk+kernel
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Thu, 17 Jul 2025 08:11:06 +0100 you wrote:
> 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
>
> [...]
Here is the summary with links:
- [net-next,v2] net: stmmac: dwmac-renesas-gbeth: Add PM suspend/resume callbacks
https://git.kernel.org/netdev/net-next/c/72b4612af36f
You are awesome, thank you!
--
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2025-07-17 7:11 [PATCH net-next v2] net: stmmac: dwmac-renesas-gbeth: Add PM suspend/resume callbacks Biju Das
2025-07-22 0:30 ` patchwork-bot+netdevbpf
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