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rtl8306: do not overwrite registers in the phy fixup, it could mess up other switches (fixes #8911), backport of r26410

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git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@26411 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2011-04-02 16:36:17 +00:00
parent 16ec0a70b3
commit 3e9da9b162
1 changed files with 6 additions and 0 deletions
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6
target/linux/generic-2.6/files/drivers/net/phy/rtl8306.c
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@ -56,6 +56,7 @@ struct rtl_priv {
int do_cpu; int do_cpu;
struct mii_bus *bus; struct mii_bus *bus;
char hwname[sizeof(RTL_NAME_UNKNOWN)]; char hwname[sizeof(RTL_NAME_UNKNOWN)];
bool fixup;
}; };
struct rtl_phyregs { struct rtl_phyregs {
@ -256,6 +257,9 @@ rtl_set_page(struct rtl_priv *priv, unsigned int page)
struct mii_bus *bus = priv->bus; struct mii_bus *bus = priv->bus;
u16 pgsel; u16 pgsel;
if (priv->fixup)
return;
if (priv->page == page) if (priv->page == page)
return; return;
@ -923,6 +927,8 @@ rtl8306_fixup(struct phy_device *pdev)
if (pdev->addr != 0 && pdev->addr != 4) if (pdev->addr != 0 && pdev->addr != 4)
return 0; return 0;
memset(&priv, 0, sizeof(priv));
priv.fixup = true;
priv.page = -1; priv.page = -1;
priv.bus = pdev->bus; priv.bus = pdev->bus;
chipid = rtl_get(&priv.dev, RTL_REG_CHIPID); chipid = rtl_get(&priv.dev, RTL_REG_CHIPID);