From: shc_work@mail.ru (Alexander Shiyan)
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 1/2] spi:fsl-dspi:convert to use regmap and big-endian supports
Date: Tue, 11 Feb 2014 10:58:53 +0400 [thread overview]
Message-ID: <1392101933.572206593@f147.i.mail.ru> (raw)
In-Reply-To: <1392097697-14919-1-git-send-email-b44548@freescale.com>
???????, 11 ??????? 2014, 13:48 +08:00 ?? Chao Fu <b44548@freescale.com>:
> From: Chao Fu <B44548@freescale.com>
>
> Freescale DSPI module will have two endianess in different platform,
> but ARM is little endian. So when DSPI in big endian, core in little endian,
> readl and writel can not adjust R/W register in this condition.
> This patch will remove general readl/writel, and import regmap mechanism.
> Data endian will be transfered in regmap APIs.
In this case You should additionally select REGMAP_MMIO option
for SPI_FSL_DSPI in the drivers/spi/Kconfig.
---
prev parent reply other threads:[~2014-02-11 6:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-11 5:48 [PATCH v3 1/2] spi:fsl-dspi:convert to use regmap and big-endian supports Chao Fu
2014-02-11 5:48 ` [PATCH v3 2/2] spi:dspi:Remove some coding sytle not in standard Chao Fu
2014-02-11 6:58 ` Alexander Shiyan [this message]
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