linux-kernel - [PATCH] staging: wilc1000: spi: Use new structure for SPI transfer delays

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Date:   Thu, 27 Feb 2020 16:50:54 +0200
From:   Sergiu Cuciurean <sergiu.cuciurean@...log.com>
To:     <linux-kernel@...r.kernel.org>, <devel@...verdev.osuosl.org>,
        <linux-wireless@...r.kernel.org>, <gregkh@...uxfoundation.org>,
        <ajay.kathat@...rochip.com>, <adham.abozaeid@...rochip.com>
CC:     Sergiu Cuciurean <sergiu.cuciurean@...log.com>
Subject: [PATCH] staging: wilc1000: spi: 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/staging/wilc1000/spi.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/wilc1000/spi.c b/drivers/staging/wilc1000/spi.c
index 11653ac118cd..a3779d967a24 100644
--- a/drivers/staging/wilc1000/spi.c
+++ b/drivers/staging/wilc1000/spi.c
@@ -228,7 +228,10 @@ static int wilc_spi_tx(struct wilc *wilc, u8 *b, u32 len)
 		struct spi_transfer tr = {
 			.tx_buf = b,
 			.len = len,
-			.delay_usecs = 0,
+			.delay = {
+				.value = 0,
+				.unit = SPI_DELAY_UNIT_USECS
+			},
 		};
 		char *r_buffer = kzalloc(len, GFP_KERNEL);
 
@@ -269,7 +272,10 @@ static int wilc_spi_rx(struct wilc *wilc, u8 *rb, u32 rlen)
 		struct spi_transfer tr = {
 			.rx_buf = rb,
 			.len = rlen,
-			.delay_usecs = 0,
+			.delay = {
+				.value = 0,
+				.unit = SPI_DELAY_UNIT_USECS
+			},
 
 		};
 		char *t_buffer = kzalloc(rlen, GFP_KERNEL);
@@ -311,7 +317,10 @@ static int wilc_spi_tx_rx(struct wilc *wilc, u8 *wb, u8 *rb, u32 rlen)
 			.tx_buf = wb,
 			.len = rlen,
 			.bits_per_word = 8,
-			.delay_usecs = 0,
+			.delay = {
+				.value = 0,
+				.unit = SPI_DELAY_UNIT_USECS
+			},
 
 		};
 
-- 
2.17.1