shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 11:50:43 +09:00
Code Issues Packages Projects Releases Wiki Activity

net: ethernet: stmmac: Add STMMAC_PTP config option

Browse Source 
Add this config option to reduce memory usage, if it was not necessary.

./ksize.sh drivers/net/ethernet/stmicro/

before size: 59075 Bytes
after  size: 55366 Bytes
save   size: 3709  Bytes

Signed-off-by: David Wu <david.wu@rock-chips.com>
Change-Id: I82c404a41a7abde6adf38557d8b2096b17b4b6e5
This commit is contained in:
David Wu
2021-09-18 14:09:11 +08:00
committed by Tao Huang
parent 3b6f928fba
commit fcc4ae2e47
5 changed files with 49 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/ethernet/stmicro/stmmac/Kconfig
View File

@@ -25,6 +25,12 @@ config STMMAC_FULL
This selects the full function, default is Y, full-featured version
includes 4.10 and other versions, if it is N, only 4.10 core working.
config STMMAC_PTP
bool "PTP feature for STMMAC"
default STMMAC_ETH
help
This selects the ptp timestamp function, default is Y.
config STMMAC_PLATFORM
tristate "STMMAC Platform bus support"
depends on STMMAC_ETH

5
drivers/net/ethernet/stmicro/stmmac/Makefile
View File

@@ -2,8 +2,7 @@
obj-$(CONFIG_STMMAC_ETH) += stmmac.o
stmmac-objs:= stmmac_main.o stmmac_mdio.o dwmac_lib.o \
mmc_core.o stmmac_hwtstamp.o stmmac_ptp.o \
dwmac4_descs.o dwmac4_dma.o \
mmc_core.o dwmac4_descs.o dwmac4_dma.o \
dwmac4_lib.o dwmac4_core.o hwif.o \
$(stmmac-y)
@@ -14,6 +13,8 @@ stmmac-$(CONFIG_STMMAC_FULL) += ring_mode.o chain_mode.o dwmac1000_core.o \
stmmac-$(CONFIG_STMMAC_ETHTOOL) += stmmac_ethtool.o
stmmac-$(CONFIG_STMMAC_PTP) += stmmac_hwtstamp.o stmmac_ptp.o
# Ordering matters. Generic driver must be last.
obj-$(CONFIG_STMMAC_PLATFORM) += stmmac-platform.o
obj-$(CONFIG_DWMAC_ANARION) += dwmac-anarion.o

18
drivers/net/ethernet/stmicro/stmmac/hwif.c
View File

@@ -80,7 +80,9 @@ static const struct stmmac_hwif_entry {
const void *desc;
const void *dma;
const void *mac;
#ifdef CONFIG_STMMAC_PTP
const void *hwtimestamp;
#endif
const void *mode;
const void *tc;
int (*setup)(struct stmmac_priv *priv);
@@ -100,7 +102,9 @@ static const struct stmmac_hwif_entry {
.desc = NULL,
.dma = &dwmac100_dma_ops,
.mac = &dwmac100_ops,
#ifdef CONFIG_STMMAC_PTP
.hwtimestamp = &stmmac_ptp,
#endif
.mode = NULL,
.tc = NULL,
.setup = dwmac100_setup,
@@ -117,7 +121,9 @@ static const struct stmmac_hwif_entry {
.desc = NULL,
.dma = &dwmac1000_dma_ops,
.mac = &dwmac1000_ops,
#ifdef CONFIG_STMMAC_PTP
.hwtimestamp = &stmmac_ptp,
#endif
.mode = NULL,
.tc = NULL,
.setup = dwmac1000_setup,
@@ -134,7 +140,9 @@ static const struct stmmac_hwif_entry {
.desc = &dwmac4_desc_ops,
.dma = &dwmac4_dma_ops,
.mac = &dwmac4_ops,
#ifdef CONFIG_STMMAC_PTP
.hwtimestamp = &stmmac_ptp,
#endif
.mode = NULL,
.tc = NULL,
.setup = dwmac4_setup,
@@ -151,7 +159,9 @@ static const struct stmmac_hwif_entry {
.desc = &dwmac4_desc_ops,
.dma = &dwmac4_dma_ops,
.mac = &dwmac410_ops,
#ifdef CONFIG_STMMAC_PTP
.hwtimestamp = &stmmac_ptp,
#endif
.mode = &dwmac4_ring_mode_ops,
.tc = NULL,
.setup = dwmac4_setup,
@@ -170,7 +180,9 @@ static const struct stmmac_hwif_entry {
.desc = &dwmac4_desc_ops,
.dma = &dwmac410_dma_ops,
.mac = &dwmac410_ops,
#ifdef CONFIG_STMMAC_PTP
.hwtimestamp = &stmmac_ptp,
#endif
.mode = &dwmac4_ring_mode_ops,
.tc = NULL,
.setup = dwmac4_setup,
@@ -189,7 +201,9 @@ static const struct stmmac_hwif_entry {
.desc = &dwmac4_desc_ops,
.dma = &dwmac410_dma_ops,
.mac = &dwmac510_ops,
#ifdef CONFIG_STMMAC_PTP
.hwtimestamp = &stmmac_ptp,
#endif
.mode = &dwmac4_ring_mode_ops,
.tc = &dwmac510_tc_ops,
.setup = dwmac4_setup,
@@ -206,7 +220,9 @@ static const struct stmmac_hwif_entry {
.desc = &dwxgmac210_desc_ops,
.dma = &dwxgmac210_dma_ops,
.mac = &dwxgmac210_ops,
#ifdef CONFIG_STMMAC_PTP
.hwtimestamp = &stmmac_ptp,
#endif
.mode = NULL,
.tc = NULL,
.setup = dwxgmac2_setup,
@@ -272,7 +288,9 @@ int stmmac_hwif_init(struct stmmac_priv *priv)
mac->desc = mac->desc ? : entry->desc;
mac->dma = mac->dma ? : entry->dma;
mac->mac = mac->mac ? : entry->mac;
#ifdef CONFIG_STMMAC_PTP
mac->ptp = mac->ptp ? : entry->hwtimestamp;
#endif
mac->mode = mac->mode ? : entry->mode;
mac->tc = mac->tc ? : entry->tc;

10
drivers/net/ethernet/stmicro/stmmac/stmmac.h
View File

@@ -226,8 +226,18 @@ static inline void stmmac_set_ethtool_ops(struct net_device *netdev)
}
#endif
#ifdef CONFIG_STMMAC_PTP
void stmmac_ptp_register(struct stmmac_priv *priv);
void stmmac_ptp_unregister(struct stmmac_priv *priv);
#else
static inline void stmmac_ptp_register(struct stmmac_priv *priv)
{
}
static inline void stmmac_ptp_unregister(struct stmmac_priv *priv)
{
}
#endif
int stmmac_resume(struct device *dev);
int stmmac_suspend(struct device *dev);
int stmmac_dvr_remove(struct device *dev);

18
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@@ -508,6 +508,7 @@ static void stmmac_get_rx_hwtstamp(struct stmmac_priv *priv, struct dma_desc *p,
}
}
#ifdef CONFIG_STMMAC_PTP
/**
* stmmac_hwtstamp_set - control hardware timestamping.
* @dev: device pointer.
@@ -760,6 +761,7 @@ static int stmmac_hwtstamp_get(struct net_device *dev, struct ifreq *ifr)
return copy_to_user(ifr->ifr_data, config,
sizeof(*config)) ? -EFAULT : 0;
}
#endif /* CONFIG_STMMAC_PTP */
/**
* stmmac_init_ptp - init PTP
@@ -800,7 +802,7 @@ static int stmmac_init_ptp(struct stmmac_priv *priv)
static void stmmac_release_ptp(struct stmmac_priv *priv)
{
if (priv->plat->clk_ptp_ref)
if (priv->plat->clk_ptp_ref && IS_ENABLED(CONFIG_STMMAC_PTP))
clk_disable_unprepare(priv->plat->clk_ptp_ref);
stmmac_ptp_unregister(priv);
}
@@ -2547,7 +2549,7 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
stmmac_mmc_setup(priv);
if (init_ptp) {
if (IS_ENABLED(CONFIG_STMMAC_PTP) && init_ptp) {
ret = clk_prepare_enable(priv->plat->clk_ptp_ref);
if (ret < 0)
netdev_warn(priv->dev, "failed to enable PTP reference clock: %d\n", ret);
@@ -2589,7 +2591,8 @@ static void stmmac_hw_teardown(struct net_device *dev)
{
struct stmmac_priv *priv = netdev_priv(dev);
clk_disable_unprepare(priv->plat->clk_ptp_ref);
if (IS_ENABLED(CONFIG_STMMAC_PTP))
clk_disable_unprepare(priv->plat->clk_ptp_ref);
}
/**
@@ -2757,7 +2760,8 @@ static int stmmac_release(struct net_device *dev)
netif_carrier_off(dev);
stmmac_release_ptp(priv);
if (IS_ENABLED(CONFIG_STMMAC_PTP))
stmmac_release_ptp(priv);
return 0;
}
@@ -3801,12 +3805,14 @@ static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return -EINVAL;
ret = phy_mii_ioctl(dev->phydev, rq, cmd);
break;
#ifdef CONFIG_STMMAC_PTP
case SIOCSHWTSTAMP:
ret = stmmac_hwtstamp_set(dev, rq);
break;
case SIOCGHWTSTAMP:
ret = stmmac_hwtstamp_get(dev, rq);
break;
#endif
default:
break;
}
@@ -4556,7 +4562,7 @@ int stmmac_suspend(struct device *dev)
stmmac_mac_set(priv, priv->ioaddr, false);
pinctrl_pm_select_sleep_state(priv->device);
/* Disable clock in case of PWM is off */
if (priv->plat->clk_ptp_ref)
if (priv->plat->clk_ptp_ref && IS_ENABLED(CONFIG_STMMAC_PTP))
clk_disable_unprepare(priv->plat->clk_ptp_ref);
clk_disable_unprepare(priv->plat->pclk);
clk_disable_unprepare(priv->plat->stmmac_clk);
@@ -4628,7 +4634,7 @@ int stmmac_resume(struct device *dev)
/* enable the clk previously disabled */
clk_prepare_enable(priv->plat->stmmac_clk);
clk_prepare_enable(priv->plat->pclk);
if (priv->plat->clk_ptp_ref)
if (priv->plat->clk_ptp_ref && IS_ENABLED(CONFIG_STMMAC_PTP))
clk_prepare_enable(priv->plat->clk_ptp_ref);
/* reset the phy so that it's ready */
if (priv->mii)