t
>> Subject: Re: [PATCH v2] omap: serial: fix non-empty uart fifo read abort
>>
>>
>
>
>>> +
>>> +#ifdef CONFIG_ARCH_OMAP4
>>> + /* Never read empty UART fifo on omap4 */
>>> + p->serial_in = serial_in_override;
>-Original Message-
>From: Tony Lindgren [mailto:t...@atomide.com]
>Sent: Friday, December 04, 2009 1:04 PM
>To: Pandita, Vikram
>Cc: linux-omap@vger.kernel.org; Cousson, Benoit
>Subject: Re: [PATCH v2] omap: serial: fix non-empty uart fifo read abort
>
>> +
&
* Vikram Pandita [091203 15:27]:
> OMAP3xxx and OMAP4430 UART IP blocks have a restriction wrt RX FIFO.
> Empty RX fifo read causes an abort.
>
> OMAP3xxx:
> UART IP revision >= 0x52 have this issue
> MVR register format is:
> Bits Field Name Description
OMAP3xxx and OMAP4430 UART IP blocks have a restriction wrt RX FIFO.
Empty RX fifo read causes an abort.
OMAP3xxx:
UART IP revision >= 0x52 have this issue
MVR register format is:
Bits Field Name Description Type Reset
31:8 RESERVED
