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authorMarc Pignat <marc.pignat@hevs.ch>2007-12-04 23:45:11 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-12-05 09:21:19 -0800
commitc24b2602af88db4489c6c3fb4b2a8e47fb15769b (patch)
treed27731d5534fde61c17f3cd273ce0e639e3ff2cf
parent9b938b749065d6a94172ac24d9748bd66a03da4c (diff)
downloadop-kernel-dev-c24b2602af88db4489c6c3fb4b2a8e47fb15769b.zip
op-kernel-dev-c24b2602af88db4489c6c3fb4b2a8e47fb15769b.tar.gz
spi: use simplified spi_sync() calling convention
Given the patch which simplifies the spi_sync calling convention, this one updates the callers of that routine which tried using it according to the previous specification. (Most didn't.) Signed-off-by: Marc Pignat <marc.pignat@hevs.ch> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/input/touchscreen/ads7846.c13
-rw-r--r--drivers/mmc/host/mmc_spi.c10
-rw-r--r--drivers/rtc/rtc-max6902.c12
3 files changed, 9 insertions, 26 deletions
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index f59aecf..fd9c5d5 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -267,13 +267,12 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
ts->irq_disabled = 0;
enable_irq(spi->irq);
- if (req->msg.status)
- status = req->msg.status;
-
- /* on-wire is a must-ignore bit, a BE12 value, then padding */
- sample = be16_to_cpu(req->sample);
- sample = sample >> 3;
- sample &= 0x0fff;
+ if (status == 0) {
+ /* on-wire is a must-ignore bit, a BE12 value, then padding */
+ sample = be16_to_cpu(req->sample);
+ sample = sample >> 3;
+ sample &= 0x0fff;
+ }
kfree(req);
return status ? status : sample;
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index a646921..365024b8 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -176,8 +176,6 @@ mmc_spi_readbytes(struct mmc_spi_host *host, unsigned len)
DMA_FROM_DEVICE);
status = spi_sync(host->spi, &host->readback);
- if (status == 0)
- status = host->readback.status;
if (host->dma_dev)
dma_sync_single_for_cpu(host->dma_dev,
@@ -480,8 +478,6 @@ mmc_spi_command_send(struct mmc_spi_host *host,
DMA_BIDIRECTIONAL);
}
status = spi_sync(host->spi, &host->m);
- if (status == 0)
- status = host->m.status;
if (host->dma_dev)
dma_sync_single_for_cpu(host->dma_dev,
@@ -624,8 +620,6 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t)
DMA_BIDIRECTIONAL);
status = spi_sync(spi, &host->m);
- if (status == 0)
- status = host->m.status;
if (status != 0) {
dev_dbg(&spi->dev, "write error (%d)\n", status);
@@ -726,8 +720,6 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t)
}
status = spi_sync(spi, &host->m);
- if (status == 0)
- status = host->m.status;
if (host->dma_dev) {
dma_sync_single_for_cpu(host->dma_dev,
@@ -905,8 +897,6 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
DMA_BIDIRECTIONAL);
tmp = spi_sync(spi, &host->m);
- if (tmp == 0)
- tmp = host->m.status;
if (host->dma_dev)
dma_sync_single_for_cpu(host->dma_dev,
diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c
index 3e183cf..1f956dc 100644
--- a/drivers/rtc/rtc-max6902.c
+++ b/drivers/rtc/rtc-max6902.c
@@ -89,13 +89,9 @@ static int max6902_get_reg(struct device *dev, unsigned char address,
/* do the i/o */
status = spi_sync(spi, &message);
- if (status == 0)
- status = message.status;
- else
- return status;
-
- *data = chip->rx_buf[1];
+ if (status == 0)
+ *data = chip->rx_buf[1];
return status;
}
@@ -125,9 +121,7 @@ static int max6902_get_datetime(struct device *dev, struct rtc_time *dt)
/* do the i/o */
status = spi_sync(spi, &message);
- if (status == 0)
- status = message.status;
- else
+ if (status)
return status;
/* The chip sends data in this order:
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