linux-kernel - [PATCH 2/4] spi: atmel-quadspi: Drop superfluous set of QSPI_IFR_APBTFRTYP

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20201207135959.154124-3-tudor.ambarus@microchip.com>
Date:   Mon, 7 Dec 2020 15:59:57 +0200
From:   Tudor Ambarus <tudor.ambarus@...rochip.com>
To:     <broonie@...nel.org>, <linux-spi@...r.kernel.org>
CC:     <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>, <bugalski.piotr@...il.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        "Tudor Ambarus" <tudor.ambarus@...rochip.com>
Subject: [PATCH 2/4] spi: atmel-quadspi: Drop superfluous set of QSPI_IFR_APBTFRTYP_READ

That bit describes the APB transfer type. We are writing
serial memory registers via AHB acesses, that bit does not
make sense in the current context.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
---
 drivers/spi/atmel-quadspi.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c
index ad913212426e..30533ab82c7b 100644
--- a/drivers/spi/atmel-quadspi.c
+++ b/drivers/spi/atmel-quadspi.c
@@ -386,9 +386,6 @@ static int atmel_qspi_set_cfg(struct atmel_qspi *aq,
 	(void)atmel_qspi_read(aq, QSPI_SR);
 
 	if (aq->caps->has_ricr) {
-		if (!op->addr.nbytes && op->data.dir == SPI_MEM_DATA_IN)
-			ifr |= QSPI_IFR_APBTFRTYP_READ;
-
 		/* Set QSPI Instruction Frame registers */
 		atmel_qspi_write(iar, aq, QSPI_IAR);
 		if (op->data.dir == SPI_MEM_DATA_IN)
-- 
2.25.1