From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org,
Johannes Schneider <johannes.schneider@leica-geosystems.com>
Subject: Re: [PATCH] mci: imx-esdhc-pbl: clear stale INT_STATUS before first PBL transfer
Date: Thu, 18 Jun 2026 09:04:16 +0200 [thread overview]
Message-ID: <178176625634.3102791.3303388537011402258.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20260617213554.1169678-1-johannes.schneider@leica-geosystems.com>
On Wed, 17 Jun 2026 21:35:54 +0000, Johannes Schneider wrote:
> PBL load_bl33 on i.MX8MM takes roughly three times longer than on
> i.MX8MP for what turned out to be an asymmetric code path in this
> driver rather than a hardware difference. The two PBL load wrappers
> shared imx_esdhc_init() but diverged on whether they issue any
> command before the bulk CMD18:
>
> imx8mp_esdhc_load_image() goes through esdhc_bootpart_active()
> to pick a read offset, which internally issues CMD8 (SEND_EXT_CSD).
> esdhc_send_cmd() clears SDHCI_INT_STATUS as a side effect.
>
> [...]
Applied, thanks!
[1/1] mci: imx-esdhc-pbl: clear stale INT_STATUS before first PBL transfer
https://git.pengutronix.de/cgit/barebox/commit/?id=b023a62e238a (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2026-06-18 7:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-17 21:35 Johannes Schneider
2026-06-18 7:04 ` Sascha Hauer [this message]
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