[PATCH v2] xen/arm: vpl011: Make access to DMACR write-
> ignore
>
> Hi,
>
> On 22/11/2022 13:25, Julien Grall wrote:
> >
> >
> > Hi,
> >
> > On 22/11/2022 05:46, Jiamei Xie wrote:
> >> When the guest kernel enables DMA engine with
> "CO
Hi Julien,
> -Original Message-
> From: Julien Grall
> Sent: Tuesday, November 22, 2022 8:26 PM
> To: Jiamei Xie ; xen-devel@lists.xenproject.org
> Cc: Wei Chen ; Stefano Stabellini
> ; Bertrand Marquis ;
> Volodymyr Babchuk
> Subject: Re: [PATCH v2] xen/arm
Hi,
On 22/11/2022 13:25, Julien Grall wrote:
>
>
> Hi,
>
> On 22/11/2022 05:46, Jiamei Xie wrote:
>> When the guest kernel enables DMA engine with "CONFIG_DMA_ENGINE=y",
>> Linux SBSA PL011 driver will access PL011 DMACR register in some
>> functions. As chapter "B Generic UART" in "ARM Server
Hi,
On 22/11/2022 05:46, Jiamei Xie wrote:
When the guest kernel enables DMA engine with "CONFIG_DMA_ENGINE=y",
Linux SBSA PL011 driver will access PL011 DMACR register in some
functions. As chapter "B Generic UART" in "ARM Server Base System
Architecture"[1] documentation describes, SBSA UART d
When the guest kernel enables DMA engine with "CONFIG_DMA_ENGINE=y",
Linux SBSA PL011 driver will access PL011 DMACR register in some
functions. As chapter "B Generic UART" in "ARM Server Base System
Architecture"[1] documentation describes, SBSA UART doesn't support
DMA. In current code, when the
