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linux/drivers/net/ethernet/amd
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Raju Rangoju e2f27363aa amd-xgbe: fix sleep while atomic on suspend/resume 
The xgbe_powerdown() and xgbe_powerup() functions use spinlocks
(spin_lock_irqsave) while calling functions that may sleep:
- napi_disable() can sleep waiting for NAPI polling to complete
- flush_workqueue() can sleep waiting for pending work items

This causes a "BUG: scheduling while atomic" error during suspend/resume
cycles on systems using the AMD XGBE Ethernet controller.

The spinlock protection in these functions is unnecessary as these
functions are called from suspend/resume paths which are already serialized
by the PM core

Fix this by removing the spinlock. Since only code that takes this lock
is xgbe_powerdown() and xgbe_powerup(), remove it completely.

Fixes: c5aa9e3b81 ("amd-xgbe: Initial AMD 10GbE platform driver")
Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Link: https://patch.msgid.link/20260302042124.1386445-1-Raju.Rangoju@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-03 17:24:38 -08:00
..
pds_core Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
xgbe amd-xgbe: fix sleep while atomic on suspend/resume 2026-03-03 17:24:38 -08:00
7990.c net: amd: add missing MODULE_DESCRIPTION() macros 2024-06-19 17:21:40 -07:00
7990.h net: 7990: Fix use correct return type for ndo_start_xmit() 2020-05-06 14:26:14 -07:00
a2065.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
a2065.h
amd8111e.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
amd8111e.h net: amd8111e: Remove duplicate definition of PCI_VENDOR_ID_AMD 2024-10-28 15:48:51 -07:00
ariadne.c net: amd: add missing MODULE_DESCRIPTION() macros 2024-06-19 17:21:40 -07:00
ariadne.h
atarilance.c net: amd: add missing MODULE_DESCRIPTION() macros 2024-06-19 17:21:40 -07:00
au1000_eth.c net: au1000_eth: Mark au1000_ReleaseDB() static 2025-03-25 08:27:27 -07:00
au1000_eth.h au1000_eth: stop using virt_to_bus() 2022-06-08 11:32:02 -07:00
declance.c declance: Remove IRQF_ONESHOT 2026-01-28 19:36:23 -08:00
hplance.c net: amd: add missing MODULE_DESCRIPTION() macros 2024-06-19 17:21:40 -07:00
hplance.h
Kconfig amd-xgbe: do not select NET_SELFTESTS when INET is disabled 2026-02-05 19:09:18 -08:00
lance.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
Makefile pds_core: Kconfig and pds_core.rst 2023-04-21 08:29:14 +01:00
mvme147.c net: amd: mvme147: Fix probe banner message 2024-10-09 12:45:51 +01:00
nmclan_cs.c net: annotate data-races around dev->if_port 2024-05-08 18:51:30 -07:00
pcnet32.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
sun3lance.c net: amd: add missing MODULE_DESCRIPTION() macros 2024-06-19 17:21:40 -07:00
sunlance.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00