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Date:	Sun, 4 Oct 2015 18:37:37 +0100
From:	Greg KH <>
To:	Noam Camus <>
Subject: Re: [v5] serial: 8250_dw: Add support for big-endian MMIO accesses

On Tue, Aug 25, 2015 at 11:57:09AM +0300, Noam Camus wrote:
> From: Noam Camus <>
> Add support for UPIO_MEM32BE in addition to UPIO_MEM32.
> dw8250_serial_out32() extra functionality that is not part of
> the 8250 core driver was moved to new function called
> dw8250_check_LCR().
> For big endian we use 2 new accessors similar to little endian,
> called dw8250_serial_out32be() and dw8250_serial_in32be().
> Both little and big endian accessors use dw8250_check_LCR()
> for their dw8250_serial_out32{,be}().
> In addition I added another 2 accessors inside private_data field of
> uart_port. This second level accessors are set during probe in
> private_data field of uart_port. Now any direct call to readl/writel
> is replaced with those accessors which are endianness aware.
> Last issue:
> readl() for UCV and CPR will not work for port type UPIO_MEM32BE.
> Instead we use the serial_in32() accessor which is initialized
> properly according to endianness.
> Signed-off-by: Noam Camus <>
> ---
>  drivers/tty/serial/8250/8250_dw.c |   72 ++++++++++++++++++++++++++++++++-----
>  1 files changed, 63 insertions(+), 9 deletions(-)

This doesn't apply to my tree at all anymore, what did you make it

Can you please respin it and resend?


greg k-h
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