Typically we return error pointers when we want to use those
pointers in the non-error case, but this function is just
returning error pointers or NULL for success. Change the style to
plain int to follow normal kernel coding styles.
Cc: Joachim Eastwood <manabian@xxxxxxxxx>
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
---
.../net/ethernet/stmicro/stmmac/dwmac-ipq806x.c | 24 ++++++++++------------
1 file changed, 11 insertions(+), 13 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
index 82de68b1a452..36d3355f2fb0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
@@ -198,19 +198,19 @@ static int ipq806x_gmac_set_speed(struct ipq806x_gmac *gmac, unsigned int speed)
return 0;
}
-static void *ipq806x_gmac_of_parse(struct ipq806x_gmac *gmac)
+static int ipq806x_gmac_of_parse(struct ipq806x_gmac *gmac)
{
struct device *dev = &gmac->pdev->dev;
gmac->phy_mode = of_get_phy_mode(dev->of_node);
if (gmac->phy_mode < 0) {
dev_err(dev, "missing phy mode property\n");
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
if (of_property_read_u32(dev->of_node, "qcom,id", &gmac->id) < 0) {
dev_err(dev, "missing qcom id property\n");
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
/* The GMACs are called 1 to 4 in the documentation, but to simplify the
@@ -219,13 +219,13 @@ static void *ipq806x_gmac_of_parse(struct ipq806x_gmac *gmac)
*/
if (gmac->id < 0 || gmac->id > 3) {
dev_err(dev, "invalid gmac id\n");
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
gmac->core_clk = devm_clk_get(dev, "stmmaceth");
if (IS_ERR(gmac->core_clk)) {
dev_err(dev, "missing stmmaceth clk property\n");
- return gmac->core_clk;
+ return PTR_ERR(gmac->core_clk);
}
clk_set_rate(gmac->core_clk, 266000000);
@@ -234,18 +234,16 @@ static void *ipq806x_gmac_of_parse(struct ipq806x_gmac *gmac)
"qcom,nss-common");
if (IS_ERR(gmac->nss_common)) {
dev_err(dev, "missing nss-common node\n");
- return gmac->nss_common;
+ return PTR_ERR(gmac->nss_common);
}
/* Setup the register map for the qsgmii csr registers */
gmac->qsgmii_csr = syscon_regmap_lookup_by_phandle(dev->of_node,
"qcom,qsgmii-csr");
- if (IS_ERR(gmac->qsgmii_csr)) {
+ if (IS_ERR(gmac->qsgmii_csr))
dev_err(dev, "missing qsgmii-csr node\n");
- return gmac->qsgmii_csr;
- }
- return NULL;
+ return PTR_ERR_OR_ZERO(gmac->qsgmii_csr);
}
static void ipq806x_gmac_fix_mac_speed(void *priv, unsigned int speed)
@@ -262,7 +260,7 @@ static int ipq806x_gmac_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct ipq806x_gmac *gmac;
int val;
- void *err;
+ int err;
val = stmmac_get_platform_resources(pdev, &stmmac_res);
if (val)
@@ -279,9 +277,9 @@ static int ipq806x_gmac_probe(struct platform_device *pdev)
gmac->pdev = pdev;
err = ipq806x_gmac_of_parse(gmac);
- if (IS_ERR(err)) {
+ if (err) {
dev_err(dev, "device tree parsing error\n");
- return PTR_ERR(err);
+ return err;
}
regmap_write(gmac->qsgmii_csr, QSGMII_PCS_CAL_LCKDT_CTL,
--
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a Linux Foundation Collaborative Project
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