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From: nikita.yoush@cogentembedded.com (Nikita Yushchenko)
To: linux-arm-kernel@lists.infradead.org
Subject: [V2, 2/6] tty: serial: lpuart: add little endian 32 bit register support
Date: Tue, 16 May 2017 14:15:08 +0300	[thread overview]
Message-ID: <fb9fe0cd-5ca7-74e6-33dc-7638e205b2e3@cogentembedded.com> (raw)
In-Reply-To: <1494834539-17523-3-git-send-email-aisheng.dong@nxp.com>

>  static u32 lpuart32_read(void __iomem *addr)
>  {
> -	return ioread32be(addr);
> +	return lpuart_is_be ? ioread32be(addr) : readl(addr);
>  }
>  
>  static void lpuart32_write(u32 val, void __iomem *addr)
>  {
> -	iowrite32be(val, addr);
> +	if (lpuart_is_be)
> +		iowrite32be(val, addr);
> +	else
> +		writel(val, addr);
>  }

What if this is ever executed on big endian system?

  parent reply	other threads:[~2017-05-16 11:15 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-15  7:48 [PATCH V2 0/6] tty: serial: lpuart: add imx7ulp support Dong Aisheng
2017-05-15  7:48 ` [PATCH V2 1/6] tty: serial: lpuart: introduce lpuart_soc_data to represent SoC property Dong Aisheng
2017-05-15 13:35   ` Andy Shevchenko
2017-05-15  7:48 ` [PATCH V2 2/6] tty: serial: lpuart: add little endian 32 bit register support Dong Aisheng
2017-05-15 13:36   ` Andy Shevchenko
2017-05-17  3:26     ` Dong Aisheng
2017-05-16 11:08   ` [V2, " Nikita Yushchenko
2017-05-17  3:31     ` Dong Aisheng
2017-05-17  5:43       ` Nikita Yushchenko
2017-05-17  6:01         ` A.S. Dong
2017-05-17  6:25           ` Nikita Yushchenko
2017-05-17  7:00             ` Dong Aisheng
2017-05-17  8:04               ` Nikita Yushchenko
2017-05-19 15:07                 ` Dong Aisheng
2017-05-23  5:24                   ` Nikita Yushchenko
2017-05-31  8:07                     ` Dong Aisheng
2017-05-16 11:15   ` Nikita Yushchenko [this message]
2017-05-17  3:39     ` Dong Aisheng
2017-05-17  5:37       ` Nikita Yushchenko
2017-05-17  5:43         ` Dong Aisheng
2017-05-17  5:50           ` Nikita Yushchenko
2017-05-17  6:09             ` Dong Aisheng
2017-05-17  9:55           ` Andy Shevchenko
2017-05-31  7:47             ` Dong Aisheng
2017-05-17  9:53     ` Andy Shevchenko
2017-05-15  7:48 ` [PATCH V2 3/6] dt-bindings: serial: fsl-lpuart: add i.MX7ULP support Dong Aisheng
2017-05-15  7:48 ` [PATCH V2 4/6] tty: serial: lpuart: add imx7ulp support Dong Aisheng
2017-05-15  7:48 ` [PATCH V2 5/6] tty: serial: lpuart: add earlycon support for imx7ulp Dong Aisheng
2017-05-15  7:48 ` [PATCH V2 6/6] tty: serial: lpuart: add a more accurate baud rate calculation method Dong Aisheng
2017-05-15 17:06   ` Stefan Agner
2017-05-17  3:47     ` Dong Aisheng
2017-05-17 17:35       ` Stefan Agner
2017-05-19 11:50         ` Dong Aisheng

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