[PATCH] mci: imx-esdhc-pbl: clear stale INT_STATUS before first PBL transfer

Sascha Hauer s.hauer at pengutronix.de
Thu Jun 18 00:04:16 PDT 2026


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 at pengutronix.de>




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