Message ID | 20190913114550.956-8-alexandru.ardelean@analog.com |
---|---|
State | Not Applicable |
Headers | show
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Fri, 13 Sep 2019 01:46:23 -0700 Received: from saturn.ad.analog.com (10.48.65.123) by NWD2HUBCAS7.ad.analog.com (10.64.69.107) with Microsoft SMTP Server id 14.3.408.0; Fri, 13 Sep 2019 04:46:27 -0400 From: Alexandru Ardelean <alexandru.ardelean@analog.com> To: <linux-spi@vger.kernel.org>, <linux-iio@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <bcm-kernel-feedback-list@broadcom.com> CC: <jic23@kernel.org>, <broonie@kernel.org>, <f.fainelli@gmail.com>, <linus.walleij@linaro.org>, <orsonzhai@gmail.com>, <baolin.wang@linaro.org>, <zhang.lyra@gmail.com>, Alexandru Ardelean <alexandru.ardelean@analog.com> Subject: [RFC PATCH 07/15] spi: spidev: use new `word_delay` field for spi transfers Date: Fri, 13 Sep 2019 14:45:42 +0300 Message-ID: <20190913114550.956-8-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190913114550.956-1-alexandru.ardelean@analog.com> References: <20190913114550.956-1-alexandru.ardelean@analog.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ADIRoutedOnPrem: True X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:137.71.25.57; 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Series |
Unify SPI delays into an `struct spi_delay`
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expand
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diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 255786f2e844..495319c2fa11 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -267,7 +267,8 @@ static int spidev_message(struct spidev_data *spidev, k_tmp->bits_per_word = u_tmp->bits_per_word; k_tmp->delay_usecs = u_tmp->delay_usecs; k_tmp->speed_hz = u_tmp->speed_hz; - k_tmp->word_delay_usecs = u_tmp->word_delay_usecs; + k_tmp->word_delay.value = u_tmp->word_delay_usecs; + k_tmp->word_delay.unit = SPI_DELAY_UNIT_USECS; if (!k_tmp->speed_hz) k_tmp->speed_hz = spidev->speed_hz; #ifdef VERBOSE
The `word_delay` field had it's type changed to `struct spi_delay`. This allows users to specify nano-second or clock-cycle delays (if needed). Converting to use `word_delay` is straightforward: it's just assigning the value to `word_delay.value` and hard-coding the `word_delay.unit` to `SPI_DELAY_UNIT_USECS` This keeps the uapi for spidev un-changed. Changing it can be part of another changeset and discussion. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> --- drivers/spi/spidev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)