From: Andrew Jeffery <andrew@codeconstruct.com.au>
To: Cool Lee <cool_lee@aspeedtech.com>,
adrian.hunter@intel.com, ulf.hansson@linaro.org, joel@jms.id.au,
p.zabel@pengutronix.de, linux-aspeed@lists.ozlabs.org,
openbmc@lists.ozlabs.org, linux-mmc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/8] mmc: sdhci-of-aspeed: Get max clockk by using default api
Date: Wed, 18 Jun 2025 12:09:09 +0930 [thread overview]
Message-ID: <4c380a2936fc5c1f37750f231eb48edc17aefa68.camel@codeconstruct.com.au> (raw)
In-Reply-To: <20250615035803.3752235-5-cool_lee@aspeedtech.com>
On Sun, 2025-06-15 at 11:57 +0800, Cool Lee wrote:
> Don't limit clock frequency by f_max.
>
> Signed-off-by: Cool Lee <cool_lee@aspeedtech.com>
> ---
> drivers/mmc/host/sdhci-of-aspeed.c | 10 +---------
> 1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-of-aspeed.c b/drivers/mmc/host/sdhci-of-aspeed.c
> index 10160a706334..2bdd93a3f91f 100644
> --- a/drivers/mmc/host/sdhci-of-aspeed.c
> +++ b/drivers/mmc/host/sdhci-of-aspeed.c
> @@ -288,14 +288,6 @@ static void aspeed_sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
> sdhci_enable_clk(host, clk);
> }
>
> -static unsigned int aspeed_sdhci_get_max_clock(struct sdhci_host *host)
> -{
> - if (host->mmc->f_max)
> - return host->mmc->f_max;
> -
> - return sdhci_pltfm_clk_get_max_clock(host);
> -}
> -
> static void aspeed_sdhci_set_bus_width(struct sdhci_host *host, int width)
> {
> struct sdhci_pltfm_host *pltfm_priv;
> @@ -446,7 +438,7 @@ static int aspeed_sdhci_execute_tuning(struct sdhci_host *host, u32 opcode)
> static const struct sdhci_ops aspeed_sdhci_ops = {
> .read_l = aspeed_sdhci_readl,
> .set_clock = aspeed_sdhci_set_clock,
> - .get_max_clock = aspeed_sdhci_get_max_clock,
> + .get_max_clock = sdhci_pltfm_clk_get_max_clock,
This was used to limit the maximum bus speed via the devicetree. See:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.16-rc2&id=0a0e8d7501cda79c9b20f6011814e2ec9b473ade
Why remove it? There's no discussion of the motivation in the commit
message.
Andrew
next prev parent reply other threads:[~2025-06-18 2:39 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-15 3:57 [PATCH 0/8] Aspeed SDHCI driver workaround and auto tune Cool Lee
2025-06-15 3:57 ` [PATCH 1/8] mmc: sdhci-of-aspeed: Fix sdhci software reset can't be cleared issue Cool Lee
2025-06-16 13:22 ` Philipp Zabel
2025-06-18 2:14 ` Andrew Jeffery
2025-06-19 6:53 ` Cool Lee
2025-06-20 7:43 ` Andrew Jeffery
2025-06-21 8:29 ` Cool Lee
2025-06-15 3:57 ` [PATCH 2/8] mmc: sdhci-of-aspeed: Add runtime tuning Cool Lee
2025-06-18 2:31 ` Andrew Jeffery
2025-06-19 6:57 ` Cool Lee
2025-06-15 3:57 ` [PATCH 3/8] mmc: sdhci-of-aspeed: Patch HOST_CONTROL2 register missing after top reset Cool Lee
2025-06-18 2:32 ` Andrew Jeffery
2025-06-19 6:57 ` Cool Lee
2025-06-15 3:57 ` [PATCH 4/8] mmc: sdhci-of-aspeed: Get max clockk by using default api Cool Lee
2025-06-18 2:39 ` Andrew Jeffery [this message]
2025-06-20 8:18 ` Cool Lee
2025-06-15 3:58 ` [PATCH 5/8] mmc: sdhci-of-aspeed: Fix null pointer Cool Lee
2025-06-18 2:49 ` Andrew Jeffery
2025-06-20 8:18 ` Cool Lee
2025-06-15 3:58 ` [PATCH 6/8] mmc: sdhci-of-aspeed: Add output timing phase tuning Cool Lee
2025-06-18 2:51 ` Andrew Jeffery
2025-06-20 8:19 ` Cool Lee
2025-06-15 3:58 ` [PATCH 7/8] mmc: sdhci-of-aspeed: Remove timing phase Cool Lee
2025-06-18 2:56 ` Andrew Jeffery
2025-06-20 10:23 ` Cool Lee
2025-06-24 23:31 ` Andrew Jeffery
2025-06-25 0:22 ` Cool Lee
2025-06-25 0:23 ` Andrew Jeffery
2025-06-15 3:58 ` [PATCH 8/8] mmc: sdhci-of-aspeed: Add sdr50 support Cool Lee
2025-06-18 3:06 ` Andrew Jeffery
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4c380a2936fc5c1f37750f231eb48edc17aefa68.camel@codeconstruct.com.au \
--to=andrew@codeconstruct.com.au \
--cc=adrian.hunter@intel.com \
--cc=cool_lee@aspeedtech.com \
--cc=joel@jms.id.au \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-aspeed@lists.ozlabs.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mmc@vger.kernel.org \
--cc=openbmc@lists.ozlabs.org \
--cc=p.zabel@pengutronix.de \
--cc=ulf.hansson@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).