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stmmac: use custom init/exit functions in pm ops 

Freeze and restore can call the custom init/exit functions.
Also the patch adds a custom data field that can be used
for storing platform data useful on restore the embedded
setup (e.g. GPIO, SYSCFG).

Signed-off-by: Francesco Virlinzi <francesco.virlinzi@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Francesco Virlinzi 2012-04-18 19:48:19 +00:00 committed by David S. Miller
parent a104104fd7
commit 3256251f98
2 changed files with 14 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
View File

@ -186,9 +186,6 @@ static int stmmac_pltfr_remove(struct platform_device *pdev)
struct resource *res;
int ret = stmmac_dvr_remove(ndev);
if (priv->plat->exit)
priv->plat->exit(pdev);
if (priv->plat->exit)
priv->plat->exit(pdev);
@ -218,14 +215,26 @@ static int stmmac_pltfr_resume(struct device *dev)
int stmmac_pltfr_freeze(struct device *dev)
{
int ret;
struct plat_stmmacenet_data *plat_dat = dev_get_platdata(dev);
struct net_device *ndev = dev_get_drvdata(dev);
struct platform_device *pdev = to_platform_device(dev);
return stmmac_freeze(ndev);
ret = stmmac_freeze(ndev);
if (plat_dat->exit)
plat_dat->exit(pdev);
return ret;
}
int stmmac_pltfr_restore(struct device *dev)
{
struct plat_stmmacenet_data *plat_dat = dev_get_platdata(dev);
struct net_device *ndev = dev_get_drvdata(dev);
struct platform_device *pdev = to_platform_device(dev);
if (plat_dat->init)
plat_dat->init(pdev);
return stmmac_restore(ndev);
}

1
include/linux/stmmac.h
View File

@ -109,6 +109,7 @@ struct plat_stmmacenet_data {
int (*init)(struct platform_device *pdev);
void (*exit)(struct platform_device *pdev);
void *custom_cfg;
void *custom_data;
void *bsp_priv;
};
#endif