From: Jonathan Cameron <jic23@kernel.org>
To: Lars-Peter Clausen <lars@metafoo.de>
Cc: linux-iio@vger.kernel.org
Subject: Re: [PATCH 7/8] staging:iio:ad9910: Use spi_sync_transfer()
Date: Sat, 05 Oct 2013 12:01:56 +0100 [thread overview]
Message-ID: <524FF1A4.6060002@kernel.org> (raw)
In-Reply-To: <1380959108-21775-7-git-send-email-lars@metafoo.de>
On 10/05/13 08:45, Lars-Peter Clausen wrote:
> Use the spi_sync_transfer() helper function instead of open-coding it. Makes
> the code a bit shorter.
>
> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Applied.
> ---
> drivers/staging/iio/frequency/ad9910.c | 82 +++++++++-------------------------
> 1 file changed, 20 insertions(+), 62 deletions(-)
>
> diff --git a/drivers/staging/iio/frequency/ad9910.c b/drivers/staging/iio/frequency/ad9910.c
> index a7d528e..755e048 100644
> --- a/drivers/staging/iio/frequency/ad9910.c
> +++ b/drivers/staging/iio/frequency/ad9910.c
> @@ -119,7 +119,6 @@ static ssize_t ad9910_set_parameter(struct device *dev,
> const char *buf,
> size_t len)
> {
> - struct spi_message msg;
> struct spi_transfer xfer;
> int ret;
> struct ad9910_config *config = (struct ad9910_config *)buf;
> @@ -130,152 +129,118 @@ static ssize_t ad9910_set_parameter(struct device *dev,
> xfer.tx_buf = &config->auxdac[0];
> mutex_lock(&st->lock);
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 5;
> xfer.tx_buf = &config->ioupd[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 5;
> xfer.tx_buf = &config->ftw[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 3;
> xfer.tx_buf = &config->pow[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 5;
> xfer.tx_buf = &config->asf[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 5;
> xfer.tx_buf = &config->multc[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 9;
> xfer.tx_buf = &config->dig_rampl[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 9;
> xfer.tx_buf = &config->dig_ramps[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 5;
> xfer.tx_buf = &config->dig_rampr[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 9;
> xfer.tx_buf = &config->sin_tonep0[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 9;
> xfer.tx_buf = &config->sin_tonep1[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 9;
> xfer.tx_buf = &config->sin_tonep2[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
> xfer.len = 9;
> xfer.tx_buf = &config->sin_tonep3[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 9;
> xfer.tx_buf = &config->sin_tonep4[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 9;
> xfer.tx_buf = &config->sin_tonep5[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 9;
> xfer.tx_buf = &config->sin_tonep6[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> xfer.len = 9;
> xfer.tx_buf = &config->sin_tonep7[0];
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
> error_ret:
> @@ -288,7 +253,6 @@ static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad9910_set_parameter, 0);
>
> static void ad9910_init(struct ad9910_state *st)
> {
> - struct spi_message msg;
> struct spi_transfer xfer;
> int ret;
> u8 cfr[5];
> @@ -304,9 +268,7 @@ static void ad9910_init(struct ad9910_state *st)
> xfer.len = 5;
> xfer.tx_buf = 𝔠
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> @@ -319,9 +281,7 @@ static void ad9910_init(struct ad9910_state *st)
> xfer.len = 5;
> xfer.tx_buf = 𝔠
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
> @@ -334,9 +294,7 @@ static void ad9910_init(struct ad9910_state *st)
> xfer.len = 5;
> xfer.tx_buf = 𝔠
>
> - spi_message_init(&msg);
> - spi_message_add_tail(&xfer, &msg);
> - ret = spi_sync(st->sdev, &msg);
> + ret = spi_sync_transfer(st->sdev, &xfer, 1);
> if (ret)
> goto error_ret;
>
>
next prev parent reply other threads:[~2013-10-05 10:01 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-05 7:45 [PATCH 1/8] iio:ad5449: Use spi_sync_transfer() Lars-Peter Clausen
2013-10-05 7:45 ` [PATCH 2/8] iio:adis16080: " Lars-Peter Clausen
2013-10-05 10:59 ` Jonathan Cameron
2013-10-05 7:45 ` [PATCH 3/8] iio:adxrs450: " Lars-Peter Clausen
2013-10-05 10:59 ` Jonathan Cameron
2013-10-05 7:45 ` [PATCH 4/8] iio:adis16130: " Lars-Peter Clausen
2013-10-05 11:00 ` Jonathan Cameron
2013-10-05 11:00 ` Jonathan Cameron
2013-10-05 7:45 ` [PATCH 5/8] staging:iio:adis16220: " Lars-Peter Clausen
2013-10-05 11:01 ` Jonathan Cameron
2013-10-05 7:45 ` [PATCH 6/8] staging:iio:ad9852: " Lars-Peter Clausen
2013-10-05 11:01 ` Jonathan Cameron
2013-10-05 7:45 ` [PATCH 7/8] staging:iio:ad9910: " Lars-Peter Clausen
2013-10-05 11:01 ` Jonathan Cameron [this message]
2013-10-05 7:45 ` [PATCH 8/8] staging:iio:ad9951: " Lars-Peter Clausen
2013-10-05 11:02 ` Jonathan Cameron
2013-10-05 10:58 ` [PATCH 1/8] iio:ad5449: " Jonathan Cameron
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