[PATCH] usb: chipidea: removing of_find_property

From: Saurabh Sengar
Date: Tue Nov 17 2015 - 06:08:13 EST


call to of_find_property() before of_property_read_u32() is unnecessary.
of_property_read_u32() anyway calls to of_find_property() only.

Signed-off-by: Saurabh Sengar <saurabh.truth@xxxxxxxxx>
---
drivers/usb/chipidea/core.c | 67 ++++++++++++++++++++++-----------------------
1 file changed, 32 insertions(+), 35 deletions(-)

diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 965d0e2..8a4c22c 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -643,6 +643,7 @@ static int ci_get_platdata(struct device *dev,
struct extcon_dev *ext_vbus, *ext_id;
struct ci_hdrc_cable *cable;
int ret;
+ u32 pval;

if (!platdata->phy_mode)
platdata->phy_mode = of_usb_get_phy_mode(dev->of_node);
@@ -688,52 +689,48 @@ static int ci_get_platdata(struct device *dev,
if (usb_get_maximum_speed(dev) == USB_SPEED_FULL)
platdata->flags |= CI_HDRC_FORCE_FULLSPEED;

- if (of_find_property(dev->of_node, "phy-clkgate-delay-us", NULL))
- of_property_read_u32(dev->of_node, "phy-clkgate-delay-us",
- &platdata->phy_clkgate_delay_us);
+ if (!of_property_read_u32(dev->of_node, "phy-clkgate-delay-us",
+ &pval))
+ platdata->phy_clkgate_delay_us = pval;

platdata->itc_setting = 1;
- if (of_find_property(dev->of_node, "itc-setting", NULL)) {
- ret = of_property_read_u32(dev->of_node, "itc-setting",
- &platdata->itc_setting);
- if (ret) {
- dev_err(dev,
- "failed to get itc-setting\n");
- return ret;
- }
+
+ ret = of_property_read_u32(dev->of_node, "itc-setting", &pval);
+ if (!ret)
+ platdata->itc_setting = pval;
+ else if (ret != -EINVAL) {
+ dev_err(dev, "failed to get itc-setting\n");
+ return ret;
}

- if (of_find_property(dev->of_node, "ahb-burst-config", NULL)) {
- ret = of_property_read_u32(dev->of_node, "ahb-burst-config",
- &platdata->ahb_burst_config);
- if (ret) {
- dev_err(dev,
- "failed to get ahb-burst-config\n");
- return ret;
- }
+ ret = of_property_read_u32(dev->of_node, "ahb-burst-config",
+ &pval);
+ if (!ret) {
+ platdata->ahb_burst_config = pval;
platdata->flags |= CI_HDRC_OVERRIDE_AHB_BURST;
+ } else if (ret != -EINVAL) {
+ dev_err(dev, "failed to get ahb-burst-config\n");
+ return ret;
}

- if (of_find_property(dev->of_node, "tx-burst-size-dword", NULL)) {
- ret = of_property_read_u32(dev->of_node, "tx-burst-size-dword",
- &platdata->tx_burst_size);
- if (ret) {
- dev_err(dev,
- "failed to get tx-burst-size-dword\n");
- return ret;
- }
+ ret = of_property_read_u32(dev->of_node, "tx-burst-size-dword",
+ &pval);
+ if (!ret) {
+ platdata->tx_burst_size = pval;
platdata->flags |= CI_HDRC_OVERRIDE_TX_BURST;
+ } else if (ret != -EINVAL) {
+ dev_err(dev, "failed to get tx-burst-size-dword\n");
+ return ret;
}

- if (of_find_property(dev->of_node, "rx-burst-size-dword", NULL)) {
- ret = of_property_read_u32(dev->of_node, "rx-burst-size-dword",
- &platdata->rx_burst_size);
- if (ret) {
- dev_err(dev,
- "failed to get rx-burst-size-dword\n");
- return ret;
- }
+ ret = of_property_read_u32(dev->of_node, "rx-burst-size-dword",
+ &pval);
+ if (!ret) {
+ platdata->rx_burst_size = pval;
platdata->flags |= CI_HDRC_OVERRIDE_RX_BURST;
+ } else if (ret != -EINVAL) {
+ dev_err(dev, "failed to get rx-burst-size-dword\n");
+ return ret;
}

ext_id = ERR_PTR(-ENODEV);
--
1.9.1

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