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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>
This commit is contained in:
Marc Pignat 2007-12-04 23:45:11 -08:00 committed by Linus Torvalds
parent 9b938b7490
commit c24b2602af
3 changed files with 9 additions and 26 deletions
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13
drivers/input/touchscreen/ads7846.c
View File

@ -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;

10
drivers/mmc/host/mmc_spi.c
View File

@ -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,

12
drivers/rtc/rtc-max6902.c
View File

@ -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];
*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: