From: "Pali Rohár" <pali.rohar@gmail.com>
To: "Benoît Cousson" <bcousson@baylibre.com>,
"Tony Lindgren" <tony@atomide.com>,
"Sebastian Reichel" <sre@kernel.org>,
"Dmitry Eremin-Solenikov" <dbaryshkov@gmail.com>,
"David Woodhouse" <dwmw2@infradead.org>,
"Pavel Machel" <pavel@ucw.cz>,
"Aaro Koskinen" <aaro.koskinen@iki.fi>,
"Ivaylo Dimitrov" <ivo.g.dimitrov.75@gmail.com>,
"Nishanth Menon" <nm@ti.com>
Cc: linux-pm@vger.kernel.org, linux-omap@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
"Pali Rohár" <pali.rohar@gmail.com>
Subject: [PATCH 1/6] power_supply: isp1704_charger: Error messages when probe fail
Date: Sun, 21 Feb 2016 12:28:18 +0100 [thread overview]
Message-ID: <1456054103-19551-2-git-send-email-pali.rohar@gmail.com> (raw)
In-Reply-To: <1456054103-19551-1-git-send-email-pali.rohar@gmail.com>
This patch adds more detailed error messages when probe function fail.
It is useful for debbuging why driver refuse to register charger device.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
---
drivers/power/isp1704_charger.c | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/power/isp1704_charger.c b/drivers/power/isp1704_charger.c
index 46a292a..acaf7cf 100644
--- a/drivers/power/isp1704_charger.c
+++ b/drivers/power/isp1704_charger.c
@@ -411,8 +411,10 @@ static int isp1704_charger_probe(struct platform_device *pdev)
if (np) {
int gpio = of_get_named_gpio(np, "nxp,enable-gpio", 0);
- if (gpio < 0)
+ if (gpio < 0) {
+ dev_err(&pdev->dev, "missing DT GPIO nxp,enable-gpio\n");
return gpio;
+ }
pdata = devm_kzalloc(&pdev->dev,
sizeof(struct isp1704_charger_data), GFP_KERNEL);
@@ -422,8 +424,10 @@ static int isp1704_charger_probe(struct platform_device *pdev)
ret = devm_gpio_request_one(&pdev->dev, pdata->enable_gpio,
GPIOF_OUT_INIT_HIGH, "isp1704_reset");
- if (ret)
+ if (ret) {
+ dev_err(&pdev->dev, "gpio request failed\n");
goto fail0;
+ }
}
if (!pdata) {
@@ -443,6 +447,7 @@ static int isp1704_charger_probe(struct platform_device *pdev)
if (IS_ERR(isp->phy)) {
ret = PTR_ERR(isp->phy);
+ dev_err(&pdev->dev, "usb_get_phy failed\n");
goto fail0;
}
@@ -452,8 +457,10 @@ static int isp1704_charger_probe(struct platform_device *pdev)
isp1704_charger_set_power(isp, 1);
ret = isp1704_test_ulpi(isp);
- if (ret < 0)
+ if (ret < 0) {
+ dev_err(&pdev->dev, "isp1704_test_ulpi failed\n");
goto fail1;
+ }
isp->psy_desc.name = "isp1704";
isp->psy_desc.type = POWER_SUPPLY_TYPE_USB;
@@ -466,6 +473,7 @@ static int isp1704_charger_probe(struct platform_device *pdev)
isp->psy = power_supply_register(isp->dev, &isp->psy_desc, &psy_cfg);
if (IS_ERR(isp->psy)) {
ret = PTR_ERR(isp->psy);
+ dev_err(&pdev->dev, "power_supply_register failed\n");
goto fail1;
}
@@ -478,8 +486,10 @@ static int isp1704_charger_probe(struct platform_device *pdev)
isp->nb.notifier_call = isp1704_notifier_call;
ret = usb_register_notifier(isp->phy, &isp->nb);
- if (ret)
+ if (ret) {
+ dev_err(&pdev->dev, "usb_register_notifier failed\n");
goto fail2;
+ }
dev_info(isp->dev, "registered with product id %s\n", isp->model);
--
1.7.9.5
next prev parent reply other threads:[~2016-02-21 11:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-21 11:28 [PATCH 0/6] Small fixes for Nokia N900 power supply drivers Pali Rohár
2016-02-21 11:28 ` Pali Rohár [this message]
2016-02-21 13:32 ` [PATCH 1/6] power_supply: isp1704_charger: Error messages when probe fail Pavel Machek
2016-02-21 11:28 ` [PATCH 2/6] power_supply: isp1704_charger: Add compatible of match for nxp,isp1707 Pali Rohár
2016-02-21 11:28 ` [PATCH 3/6] power_supply: bq2415x_charger: Do not add acpi modalias when CONFIG_ACPI is not enabled Pali Rohár
2016-02-21 13:33 ` Pavel Machek
2016-02-21 11:28 ` [PATCH 4/6] power_supply: bq2415x_charger: Add of modalias and match table when CONFIG_OF is enabled Pali Rohár
2016-02-21 11:28 ` [PATCH 5/6] power_supply: bq27xxx_battery: " Pali Rohár
2016-02-21 11:28 ` [PATCH 6/6] ARM: dts: n900: Rename isp1704 to isp1707 to match correct name Pali Rohár
2016-02-21 14:05 ` Pavel Machek
2016-02-22 19:06 ` Tony Lindgren
2016-02-23 2:29 ` Sebastian Reichel
2016-02-21 19:41 ` [PATCH 0/6] Small fixes for Nokia N900 power supply drivers Sebastian Reichel
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