From: William Zhang Date: Tue, 7 Feb 2023 06:58:17 +0000 (-0800) Subject: spi: bcm63xx-hsspi: Endianness fix for ARM based SoC X-Git-Tag: v6.3-rc1~36^2~27 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=85a84a61699990db6a025b5073f337f49933a875;p=linux-block.git spi: bcm63xx-hsspi: Endianness fix for ARM based SoC HSSPI controller uses big endian for the opcode in the message to the controller ping pong buffer. Use cpu_to_be16 to properly handle the endianness for both big and little endian host. Fixes: 142168eba9dc ("spi: bcm63xx-hsspi: add bcm63xx HSSPI driver") Signed-off-by: Kursad Oney Signed-off-by: William Zhang Acked-by: Florian Fainelli Link: https://lore.kernel.org/r/20230207065826.285013-7-william.zhang@broadcom.com Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c index 01d5acad4a1b..a65a0ec67641 100644 --- a/drivers/spi/spi-bcm63xx-hsspi.c +++ b/drivers/spi/spi-bcm63xx-hsspi.c @@ -194,7 +194,7 @@ static int bcm63xx_hsspi_do_txrx(struct spi_device *spi, struct spi_transfer *t) tx += curr_step; } - __raw_writew(opcode | curr_step, bs->fifo); + __raw_writew((u16)cpu_to_be16(opcode | curr_step), bs->fifo); /* enable interrupt */ __raw_writel(HSSPI_PINGx_CMD_DONE(0),