linux-kernel - [PATCH] iio: adc: ad9292: Use new structure for SPI transfer delays

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Date:   Thu, 27 Feb 2020 14:18:14 +0200
From:   Sergiu Cuciurean <sergiu.cuciurean@...log.com>
To:     <linux-kernel@...r.kernel.org>, <linux-iio@...r.kernel.org>,
        <jic23@...nel.org>
CC:     <pmeerw@...erw.net>, <Michael.Hennerich@...log.com>,
        <marcelo.schmitt1@...il.com>,
        Sergiu Cuciurean <sergiu.cuciurean@...log.com>
Subject: [PATCH] iio: adc: ad9292: Use new structure for SPI transfer delays

In a recent change to the SPI subsystem [1], a new `delay` struct was added
to replace the `delay_usecs`. This change replaces the current
`delay_usecs` with `delay` for this driver.

The `spi_transfer_delay_exec()` function [in the SPI framework] makes sure
that both `delay_usecs` & `delay` are used (in this order to preserve
backwards compatibility).

[1] commit bebcfd272df6 ("spi: introduce `delay` field for
`spi_transfer` + spi_transfer_delay_exec()")

Signed-off-by: Sergiu Cuciurean <sergiu.cuciurean@...log.com>
---
 drivers/iio/adc/ad7292.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad7292.c b/drivers/iio/adc/ad7292.c
index a6798f7dfdb8..6595fd196288 100644
--- a/drivers/iio/adc/ad7292.c
+++ b/drivers/iio/adc/ad7292.c
@@ -122,7 +122,10 @@ static int ad7292_single_conversion(struct ad7292_state *st,
 		{
 			.tx_buf = &st->d8,
 			.len = 4,
-			.delay_usecs = 6,
+			.delay = {
+				.value = 6,
+				.unit = SPI_DELAY_UNIT_USECS
+			},
 		}, {
 			.rx_buf = &st->d16,
 			.len = 2,
-- 
2.17.1