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Message-Id: <1420550620-12693-1-git-send-email-laurentiu.palcu@intel.com>
Date: Tue, 6 Jan 2015 15:23:40 +0200
From: Laurentiu Palcu <laurentiu.palcu@...el.com>
To: Mark Brown <broonie@...nel.org>
Cc: Julia Lawall <julia.lawall@...6.fr>, linux-spi@...r.kernel.org,
linux-kernel@...r.kernel.org,
Laurentiu Palcu <laurentiu.palcu@...el.com>
Subject: [PATCH] spi/dln2: simplify return flow for dln2_spi_transfer_setup and dln2_spi_enable
This fixes the following kbuild test robot warnings:
>> drivers/spi/spi-dln2.c:124:1-4: WARNING: end returns can be simplified if negative or 0 value
>> drivers/spi/spi-dln2.c:656:1-4: WARNING: end returns can be simplified if negative or 0 value
Additionally, fix a comment after switching from CONFIG_PM_RUNTIME to
CONFIG_PM.
Reported-by: Julia Lawall <julia.lawall@...6.fr>
Signed-off-by: Laurentiu Palcu <laurentiu.palcu@...el.com>
---
drivers/spi/spi-dln2.c | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)
diff --git a/drivers/spi/spi-dln2.c b/drivers/spi/spi-dln2.c
index cede063..3b7d91d 100644
--- a/drivers/spi/spi-dln2.c
+++ b/drivers/spi/spi-dln2.c
@@ -103,7 +103,6 @@ struct dln2_spi {
*/
static int dln2_spi_enable(struct dln2_spi *dln2, bool enable)
{
- int ret;
u16 cmd;
struct {
u8 port;
@@ -121,11 +120,7 @@ static int dln2_spi_enable(struct dln2_spi *dln2, bool enable)
cmd = DLN2_SPI_DISABLE;
}
- ret = dln2_transfer_tx(dln2->pdev, cmd, &tx, len);
- if (ret < 0)
- return ret;
-
- return 0;
+ return dln2_transfer_tx(dln2->pdev, cmd, &tx, len);
}
/*
@@ -653,11 +648,7 @@ static int dln2_spi_transfer_setup(struct dln2_spi *dln2, u32 speed,
dln2->bpw = bpw;
}
- ret = dln2_spi_enable(dln2, true);
- if (ret < 0)
- return ret;
-
- return 0;
+ return dln2_spi_enable(dln2, true);
}
static int dln2_spi_transfer_one(struct spi_master *master,
@@ -866,7 +857,7 @@ static int dln2_spi_runtime_resume(struct device *dev)
return dln2_spi_enable(dln2, true);
}
-#endif /* CONFIG_PM_RUNTIME */
+#endif /* CONFIG_PM */
static const struct dev_pm_ops dln2_spi_pm = {
SET_SYSTEM_SLEEP_PM_OPS(dln2_spi_suspend, dln2_spi_resume)
--
1.9.1
--
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