From: Grygorii Strashko <grygorii.strashko@ti.com>
To: "David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, Mugunthan V N <mugunthanvnm@ti.com>
Cc: Sekhar Nori <nsekhar@ti.com>,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org,
Grygorii Strashko <grygorii.strashko@ti.com>
Subject: [PATCH v2 02/15] drivers: net: cpsw: check return code from pm runtime calls
Date: Fri, 24 Jun 2016 21:23:42 +0300 [thread overview]
Message-ID: <20160624182355.23515-3-grygorii.strashko@ti.com> (raw)
In-Reply-To: <20160624182355.23515-1-grygorii.strashko@ti.com>
Add missed check of return code from PM runtime get() calls.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
drivers/net/ethernet/ti/cpsw.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 736c77a..c76f9db 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1253,7 +1253,11 @@ static int cpsw_ndo_open(struct net_device *ndev)
int i, ret;
u32 reg;
- pm_runtime_get_sync(&priv->pdev->dev);
+ ret = pm_runtime_get_sync(&priv->pdev->dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(&priv->pdev->dev);
+ return ret;
+ }
if (!cpsw_common_res_usage_state(priv))
cpsw_intr_disable(priv);
@@ -2322,7 +2326,11 @@ static int cpsw_probe(struct platform_device *pdev)
/* Need to enable clocks with runtime PM api to access module
* registers
*/
- pm_runtime_get_sync(&pdev->dev);
+ ret = pm_runtime_get_sync(&pdev->dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(&pdev->dev);
+ goto clean_runtime_disable_ret;
+ }
priv->version = readl(&priv->regs->id_ver);
pm_runtime_put_sync(&pdev->dev);
--
2.9.0
next prev parent reply other threads:[~2016-06-24 18:23 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-24 18:23 [PATCH v2 00/15] drivers: net: cpsw: improve runtime pm Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 01/15] drivers: net: cpsw: fix suspend when all ethX devices are down Grygorii Strashko
2016-06-24 18:23 ` Grygorii Strashko [this message]
2016-06-24 18:23 ` [PATCH v2 03/15] drivers: net: cpsw: remove pm runtime calls from suspend callbacks Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 04/15] drivers: net: cpsw: ethtool: fix accessing to suspended device Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 05/15] drivers: net: cpsw: ndev: " Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 06/15] drivers: net: davinci_mdio: do pm runtime initialization later in probe Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 07/15] drivers: net: davinci_mdio: remove pm runtime calls from suspend callbacks Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 08/15] drivers: net: davinci_mdio: drop suspended and lock fields from mdio_data Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 09/15] drivers: net: davinci_mdio: split reset function on init_clk and enable Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 10/15] drivers: net: davinci_mdio: add pm runtime callbacks Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 11/15] drivers: net: davinci_mdio: implement pm runtime auto mode Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 12/15] net: davinci_mdio: document missed "ti,am4372-mdio" compat string Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 13/15] net: davinci_mdio: introduce "ti,cpsw-mdio" " Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 14/15] drivers: net: davinci_mdio: enable pm runtime auto for ti cpsw-mdio Grygorii Strashko
2016-06-24 18:23 ` [PATCH v2 15/15] ARM: dts: am335x/am437x/dra7: use new "ti,cpsw-mdio" compat string Grygorii Strashko
2016-06-27 9:18 ` [PATCH v2 00/15] drivers: net: cpsw: improve runtime pm Mugunthan V N
[not found] ` <20160624182355.23515-1-grygorii.strashko-l0cyMroinI0@public.gmane.org>
2016-06-28 12:58 ` David Miller
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