From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: "Frank Li" <Frank.Li@nxp.com>,
"Przemysław Gaj" <pgaj@cadence.com>,
"Jorge Marques" <jorge.marques@analog.com>
Cc: linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 0/3] Add helper methods i3c_writel_fifo() and i3c_readl_fifo()
Date: Thu, 31 Jul 2025 01:40:18 +0200 [thread overview]
Message-ID: <175391871291.1768453.6107982035925873578.b4-ty@bootlin.com> (raw)
In-Reply-To: <20250624-i3c-writesl-readsl-v3-0-63ccf0870f01@analog.com>
On Tue, 24 Jun 2025 11:06:03 +0200, Jorge Marques wrote:
> The I3C abstraction expects u8 buffers, but some controllers operate with
> a 32-bit bus width FIFO and cannot flag valid bytes individually. To avoid
> reading or writing outside the buffer bounds, use 32-bit accesses where
> possible and apply memcpy for any remaining bytes.
>
> Add two auxiliary methods to include/linux/i3c/master.h and use in the dw
> and cdns i3c controller drivers. The adi and renesas controller drivers
> will also use these methods.
>
> [...]
Applied, thanks!
[1/3] i3c: master: Add inline i3c_readl_fifo() and i3c_writel_fifo()
https://git.kernel.org/abelloni/c/733b439375b4
[2/3] i3c: master: cdns: Use i3c_writel_fifo() and i3c_readl_fifo()
https://git.kernel.org/abelloni/c/c20d3fa70491
[3/3] i3c: master: dw: Use i3c_writel_fifo() and i3c_readl_fifo()
https://git.kernel.org/abelloni/c/6e055b1fb2fc
Best regards,
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
prev parent reply other threads:[~2025-07-30 23:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-24 9:06 Jorge Marques
2025-06-24 9:06 ` [PATCH v3 1/3] i3c: master: Add inline i3c_readl_fifo() and i3c_writel_fifo() Jorge Marques
2025-06-24 18:08 ` Frank Li
2025-06-24 20:30 ` Wolfram Sang
2025-06-24 21:13 ` Frank Li
2025-06-25 7:20 ` Wolfram Sang
2025-06-25 7:24 ` Wolfram Sang
2025-06-24 9:06 ` [PATCH v3 2/3] i3c: master: cdns: Use i3c_writel_fifo() and i3c_readl_fifo() Jorge Marques
2025-06-24 18:09 ` Frank Li
2025-06-25 7:26 ` Wolfram Sang
2025-06-24 9:06 ` [PATCH v3 3/3] i3c: master: dw: " Jorge Marques
2025-06-24 18:10 ` Frank Li
2025-06-25 7:27 ` Wolfram Sang
2025-07-30 23:40 ` Alexandre Belloni [this message]
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