From: Sascha Hauer <s.hauer@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: BAREBOX <barebox@lists.infradead.org>
Subject: Re: [PATCH v2 18/33] dma: ti: k3-udma-am62l: Add AM62L support DMA drivers
Date: Tue, 17 Jun 2025 10:20:38 +0200 [thread overview]
Message-ID: <aFElVn4Kk5CR95B4@pengutronix.de> (raw)
In-Reply-To: <306265bc-0506-48c0-8a15-2f5019f69092@pengutronix.de>
On Mon, Jun 16, 2025 at 01:57:48PM +0200, Ahmad Fatoum wrote:
> Hello Sascha,
>
> On 6/5/25 14:42, Sascha Hauer wrote:
> > + switch (uc->config.dir) {
> > + case DMA_MEM_TO_MEM:
>
> Tangential question. Could we implement arbitrary memory read/write on
> top of this without further changes to the driver?
I hope so. Would be nice indeed, but I haven't tested this.
>
> Having a /dev/dma device or similar with the same API as /dev/mem would
> be useful to test isolation of OP-TEE.
Agreed.
Sascha
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next prev parent reply other threads:[~2025-06-17 8:42 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-05 12:42 [PATCH v2 00/33] ARM: K3: add support for AM62L Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 01/33] scripts/k3img: make more flexible Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 02/33] images: K3: rename %.k3img target to %.k3_am62x_img Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 03/33] ARM: K3: prepare support for other SoCs Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 04/33] ARM: dts: add k3-am62l dts(i) files Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 05/33] ARM: dts: am62l: Fix assigned-clock-parents Sascha Hauer
2025-06-16 11:41 ` Ahmad Fatoum
2025-06-17 9:10 ` Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 06/33] ARM: K3: add am62lx base support Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 07/33] ARM: Makefile: descend into mach-* for cleaning Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 08/33] ARM: k3: rename yaml files from am625 to am62x Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 09/33] firmware: add ti-linux-firmware submodule Sascha Hauer
2025-06-16 11:54 ` Ahmad Fatoum
2025-06-05 12:42 ` [PATCH v2 10/33] scripts/ti-board-config.py: fix length Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 11/33] ARM: k3: add yaml files for AM62l Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 12/33] k3: ringacc: pass ringrt address in struct k3_ringacc_init_data Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 13/33] drivers: soc: ti: k3-ringacc: handle absence of tisci Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 14/33] drivers: soc: ti: k3-ringacc: fix k3_ringacc_ring_reset_sci Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 15/33] dma: ti: k3-psil: Add PSIL data for AM62L Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 16/33] dma: ti: k3-udma: Refactor common bits for AM62L support Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 17/33] dma: ti: k3-udma-common: Update common code for AM62L DMAs Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 18/33] dma: ti: k3-udma-am62l: Add AM62L support DMA drivers Sascha Hauer
2025-06-16 11:57 ` Ahmad Fatoum
2025-06-17 8:20 ` Sascha Hauer [this message]
2025-06-05 12:42 ` [PATCH v2 19/33] ARM: dts: am62l: Add ethernet ports Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 20/33] ARM: dts: am62l evm: " Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 21/33] ARM: k3: am62l: add barebox specific am62l.dtsi Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 22/33] net: davinci_mdio: Use fallback clock rate Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 23/33] firmware: arm_scmi: Add support for clock parents Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 24/33] clk: add struct clk_parent_data Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 25/33] clk: arm_scmi: implement clock parent setting Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 26/33] ARM: dts: am62l3-evm: add MMC aliases Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 27/33] dma: ti: k3-udma: limit asel to am625 Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 28/33] gpio: increase ARCH_NR_GPIOS to 512 Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 29/33] ARM: dts: k3-am62l: reserve memory for TF-A and OP-TEE Sascha Hauer
2025-06-16 12:01 ` Ahmad Fatoum
2025-06-05 12:42 ` [PATCH v2 30/33] ARM: k3: add AM62l3 EVM board support Sascha Hauer
2025-06-16 12:03 ` Ahmad Fatoum
2025-06-17 9:18 ` Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 31/33] ARM: K3: am62l: add serial aliases Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 32/33] Documentation: boards: k3: split generic and am62x specific documentation Sascha Hauer
2025-06-05 12:42 ` [PATCH v2 33/33] Documentation: boards: k3: add AM62lx documentation Sascha Hauer
2025-06-17 6:54 ` [PATCH v2 00/33] ARM: K3: add support for AM62L Sascha Hauer
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