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generic: ar8216: improve ar8216_wait_bit function
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30847 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -468,14 +468,22 @@ static int
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ar8216_wait_bit(struct ar8216_priv *priv, int reg, u32 mask, u32 val)
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{
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int timeout = 20;
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u32 t = 0;
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while ((priv->read(priv, reg) & mask) != val) {
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if (timeout-- <= 0) {
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printk(KERN_ERR "ar8216: timeout waiting for operation to complete\n");
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return 1;
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}
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while (1) {
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t = priv->read(priv, reg);
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if ((t & mask) == val)
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return 0;
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if (timeout-- <= 0)
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break;
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udelay(10);
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}
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return 0;
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pr_err("ar8216: timeout on reg %08x: %08x & %08x != %08x\n",
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(unsigned int) reg, t, mask, val);
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return -ETIMEDOUT;
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}
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static void
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@ -958,11 +966,8 @@ ar8216_read_status(struct phy_device *phydev)
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/* flush the address translation unit */
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mutex_lock(&priv->reg_mutex);
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ret = ar8216_wait_bit(priv, AR8216_REG_ATU, AR8216_ATU_ACTIVE, 0);
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if (!ret)
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priv->write(priv, AR8216_REG_ATU, AR8216_ATU_OP_FLUSH);
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else
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ret = -ETIMEDOUT;
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mutex_unlock(&priv->reg_mutex);
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phydev->state = PHY_RUNNING;
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