> -----邮件原件----- > 发件人: Marek Vasut <[email protected]> > 发送时间: 2025年10月14日 19:27 > 收件人: Alice Guo (OSS) <[email protected]>; [email protected]; > dl-uboot-imx <[email protected]>; [email protected]; > [email protected]; [email protected]; [email protected] > 抄送: Ye Li <[email protected]>; Alice Guo <[email protected]>; Peng Fan > <[email protected]>; Jacky Bai <[email protected]>; [email protected]; > [email protected] > 主题: Re: [PATCH v1 1/4] spi: nxp_xspi: Add new driver for NXP XSPI controller > > On 10/14/25 1:17 PM, [email protected] wrote: > > Hi, > > > +++ b/drivers/spi/nxp_xspi.c > > @@ -0,0 +1,889 @@ > > +// SPDX-License-Identifier: GPL-2.0+ > > +/* > > + * Copyright 2025 NXP > > + */ > > + > > +#include <asm/arch/clock.h> > > +#include <asm/io.h> > > +#include <clk.h> > > +#include <dm.h> > > +#include <dm/device_compat.h> > > +#include <linux/bitops.h> > > +#include <linux/bug.h> > > +#include <linux/err.h> > > +#include <linux/iopoll.h> > > +#include <linux/kernel.h> > > +#include <linux/sizes.h> > > +#include <log.h> > > +#include <malloc.h> > > +#include <spi.h> > > +#include <spi-mem.h> > > + > > +#include "nxp_xspi.h" > > + > > +static inline void xspi_writel(struct nxp_xspi *x, u32 val, u32 addr) > > +{ > > + void __iomem *_addr = (void __iomem *)(uintptr_t)addr; > > + > > + if (x->devtype_data->little_endian) > > + out_le32(_addr, val); > > + else > > + out_be32(_addr, val); > > +}; > Is the BE mode ever used ?
Hi Marek, As far as I know, the i.MX943 operates in little-endian mode, and the BE mode is not used. Do you think it is necessary to remove the big-endian related code? Best regards, Alice Guo
