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authorYao Zi <ziyao@disroot.org>2025-11-24 16:04:17 +0000
committerJakub Kicinski <kuba@kernel.org>2025-11-26 17:07:42 -0800
commitb35e94edf2290ee72ddbbacc29adc2b7eab7d7f3 (patch)
tree74196fb4973ca498161f95c2b9fdf4ab8fc1c5c9
parentc4064af1c7e37d81d9556057e8d0295f0be9eef4 (diff)
net: stmmac: pci: Use generic PCI suspend/resume routines
Convert STMMAC PCI glue driver to use the generic platform suspend/resume routines for PCI controllers, instead of implementing its own one. Signed-off-by: Yao Zi <ziyao@disroot.org> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Reviewed-by: Yanteng Si <siyanteng@cqsoftware.com.cn> Link: https://patch.msgid.link/20251124160417.51514-4-ziyao@disroot.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/Kconfig3
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c36
2 files changed, 5 insertions, 34 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
index ad7ae3618099..907fe2e927f0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
@@ -376,8 +376,9 @@ config DWMAC_LOONGSON
config STMMAC_PCI
tristate "STMMAC PCI bus support"
- depends on STMMAC_ETH && PCI
+ depends on PCI
depends on COMMON_CLK
+ select STMMAC_LIBPCI
help
This selects the platform specific bus support for the stmmac driver.
This driver was tested on XLINX XC2V3000 FF1152AMT0221
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index afb1c53ca6f8..270ad066ced3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -14,6 +14,7 @@
#include <linux/dmi.h>
#include "stmmac.h"
+#include "stmmac_libpci.h"
struct stmmac_pci_info {
int (*setup)(struct pci_dev *pdev, struct plat_stmmacenet_data *plat);
@@ -102,37 +103,6 @@ static const struct stmmac_pci_info snps_gmac5_pci_info = {
.setup = snps_gmac5_default_data,
};
-static int stmmac_pci_suspend(struct device *dev, void *bsp_priv)
-{
- struct pci_dev *pdev = to_pci_dev(dev);
- int ret;
-
- ret = pci_save_state(pdev);
- if (ret)
- return ret;
-
- pci_disable_device(pdev);
- pci_wake_from_d3(pdev, true);
- return 0;
-}
-
-static int stmmac_pci_resume(struct device *dev, void *bsp_priv)
-{
- struct pci_dev *pdev = to_pci_dev(dev);
- int ret;
-
- pci_restore_state(pdev);
- pci_set_power_state(pdev, PCI_D0);
-
- ret = pci_enable_device(pdev);
- if (ret)
- return ret;
-
- pci_set_master(pdev);
-
- return 0;
-}
-
/**
* stmmac_pci_probe
*
@@ -212,8 +182,8 @@ static int stmmac_pci_probe(struct pci_dev *pdev,
plat->safety_feat_cfg->prtyen = 1;
plat->safety_feat_cfg->tmouten = 1;
- plat->suspend = stmmac_pci_suspend;
- plat->resume = stmmac_pci_resume;
+ plat->suspend = stmmac_pci_plat_suspend;
+ plat->resume = stmmac_pci_plat_resume;
return stmmac_dvr_probe(&pdev->dev, plat, &res);
}