netdev - [PATCH] net: wireless: marvell: libertas: Use new structure for SPI transfer delays

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 27 Feb 2020 16:06:34 +0200
From:   Sergiu Cuciurean <sergiu.cuciurean@...log.com>
To:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-wireless@...r.kernel.org>,
        <libertas-dev@...ts.infradead.org>, <kvalo@...eaurora.org>,
        <davem@...emloft.net>, <gregkh@...uxfoundation.org>
CC:     <dcbw@...hat.com>, <allison@...utok.net>, <tglx@...utronix.de>,
        Sergiu Cuciurean <sergiu.cuciurean@...log.com>
Subject: [PATCH] net: wireless: marvell: libertas: 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/net/wireless/marvell/libertas/if_spi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/marvell/libertas/if_spi.c b/drivers/net/wireless/marvell/libertas/if_spi.c
index d07fe82c557e..3c3f266bf116 100644
--- a/drivers/net/wireless/marvell/libertas/if_spi.c
+++ b/drivers/net/wireless/marvell/libertas/if_spi.c
@@ -235,8 +235,9 @@ static int spu_read(struct if_spi_card *card, u16 reg, u8 *buf, int len)
 		spi_message_add_tail(&dummy_trans, &m);
 	} else {
 		/* Busy-wait while the SPU fills the FIFO */
-		reg_trans.delay_usecs =
+		reg_trans.delay.value =
 			DIV_ROUND_UP((100 + (delay * 10)), 1000);
+		reg_trans.delay.unit = SPI_DELAY_UNIT_USECS;
 	}
 
 	/* read in data */
-- 
2.17.1