From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org,
Johannes Schneider <johannes.schneider@leica-geosystems.com>
Subject: Re: (subset) [PATCH v1 2/2] commands: mmc_extcsd: fix enhanced-area / GPP size display arithmetic
Date: Thu, 18 Jun 2026 09:00:29 +0200 [thread overview]
Message-ID: <178176602921.3000102.15114042396363001965.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20260617103448.1563040-2-johannes.schneider@leica-geosystems.com>
On Wed, 17 Jun 2026 10:34:48 +0000, Johannes Schneider wrote:
> Per JEDEC eMMC 5.1 (JESD84-B51, February 2015), the displayed byte
> size for the enhanced user data area and for each general-purpose
> partition is the product of the SIZE_MULT bytes, the write-protect
> group size, the erase group size, and 512 KiB:
>
> §7.4.90 ENH_SIZE_MULT [142:140] (p. 219):
> Enhanced User Data Area x Size =
> (ENH_SIZE_MULT_2 * 2^16 + ENH_SIZE_MULT_1 * 2^8
> + ENH_SIZE_MULT_0 * 2^0)
> * HC_WP_GRP_SIZE * HC_ERASE_GRP_SIZE * 512 kBytes
>
> [...]
Applied, thanks!
[2/2] commands: mmc_extcsd: fix enhanced-area / GPP size display arithmetic
https://git.pengutronix.de/cgit/barebox/commit/?id=fe7386051df1 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
next prev parent reply other threads:[~2026-06-18 7:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-17 10:34 [PATCH v1 1/2] commands: mmc: add mmc-utils compatible enh_area set subcommand Johannes Schneider
2026-06-17 10:34 ` [PATCH v1 2/2] commands: mmc_extcsd: fix enhanced-area / GPP size display arithmetic Johannes Schneider
2026-06-17 10:51 ` Ahmad Fatoum
2026-06-18 7:00 ` Sascha Hauer [this message]
2026-06-18 7:00 ` (subset) [PATCH v1 1/2] commands: mmc: add mmc-utils compatible enh_area set subcommand Sascha Hauer
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