linux-kernel - [PATCH] mtd: nand: gpmi: fixup return type of wait_for_completion

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Message-Id: <1423413453-5254-1-git-send-email-hofrat@osadl.org>
Date:	Sun,  8 Feb 2015 11:37:33 -0500
From:	Nicholas Mc Guire <hofrat@...dl.org>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	Brian Norris <computersforpeace@...il.com>,
	Huang Shijie <b32955@...escale.com>,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Nicholas Mc Guire <hofrat@...dl.org>
Subject: [PATCH] mtd: nand: gpmi: fixup return type of wait_for_completion_timeout

return type of wait_for_completion_timeout is unsigned long not int. The
return variable is renamed to reflect its use and the type adjusted to
unsigned long.

Signed-off-by: Nicholas Mc Guire <hofrat@...dl.org>
---

Patch was only compile tested with imx_v6_v7_defconfig
(implies CONFIG_MTD_NAND_GPMI_NAND=y)

Patch is against 3.19.0-rc7 (localversion-next is -next-20150204)

 drivers/mtd/nand/gpmi-nand/gpmi-nand.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 33f3c3c..6e44d32 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -446,7 +446,7 @@ int start_dma_without_bch_irq(struct gpmi_nand_data *this,
 				struct dma_async_tx_descriptor *desc)
 {
 	struct completion *dma_c = &this->dma_done;
-	int err;
+	unsigned long timeout;
 
 	init_completion(dma_c);
 
@@ -456,8 +456,8 @@ int start_dma_without_bch_irq(struct gpmi_nand_data *this,
 	dma_async_issue_pending(get_dma_chan(this));
 
 	/* Wait for the interrupt from the DMA block. */
-	err = wait_for_completion_timeout(dma_c, msecs_to_jiffies(1000));
-	if (!err) {
+	timeout = wait_for_completion_timeout(dma_c, msecs_to_jiffies(1000));
+	if (!timeout) {
 		dev_err(this->dev, "DMA timeout, last DMA :%d\n",
 			this->last_dma_type);
 		gpmi_dump_info(this);
@@ -477,7 +477,7 @@ int start_dma_with_bch_irq(struct gpmi_nand_data *this,
 			struct dma_async_tx_descriptor *desc)
 {
 	struct completion *bch_c = &this->bch_done;
-	int err;
+	unsigned long timeout;
 
 	/* Prepare to receive an interrupt from the BCH block. */
 	init_completion(bch_c);
@@ -486,8 +486,8 @@ int start_dma_with_bch_irq(struct gpmi_nand_data *this,
 	start_dma_without_bch_irq(this, desc);
 
 	/* Wait for the interrupt from the BCH block. */
-	err = wait_for_completion_timeout(bch_c, msecs_to_jiffies(1000));
-	if (!err) {
+	timeout = wait_for_completion_timeout(bch_c, msecs_to_jiffies(1000));
+	if (!timeout) {
 		dev_err(this->dev, "BCH timeout, last DMA :%d\n",
 			this->last_dma_type);
 		gpmi_dump_info(this);
-- 
1.7.10.4

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