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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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33a23e2237
In hibernation freeze case the driver just releases the resources like dma buffers, irqs, unregisters the drivers and during restore it does register, request the resources. This is not really necessary, as part of power management all the data structures are intact, all the previously allocated resources can be used after coming out of low power. This patch uses the suspend and resume callbacks for freeze and restore which initializes the hardware correctly without unregistering or releasing the resources, this should also help in reducing the time to restore. Also this patch fixes a bug in stmmac_pltfr_restore and stmmac_pltfr_freeze where it tries to get hold of platform data via dev_get_platdata call, which would return NULL in device tree cases and the next if statement would crash as there is no NULL check. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| .. | ||
| chain_mode.c | ||
| common.h | ||
| descs_com.h | ||
| descs.h | ||
| dwmac100_core.c | ||
| dwmac100_dma.c | ||
| dwmac100.h | ||
| dwmac1000_core.c | ||
| dwmac1000_dma.c | ||
| dwmac1000.h | ||
| dwmac_dma.h | ||
| dwmac_lib.c | ||
| enh_desc.c | ||
| Kconfig | ||
| Makefile | ||
| mmc_core.c | ||
| mmc.h | ||
| norm_desc.c | ||
| ring_mode.c | ||
| stmmac_ethtool.c | ||
| stmmac_hwtstamp.c | ||
| stmmac_main.c | ||
| stmmac_mdio.c | ||
| stmmac_pci.c | ||
| stmmac_platform.c | ||
| stmmac_ptp.c | ||
| stmmac_ptp.h | ||
| stmmac.h | ||