From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 3/4] mtd: nand: Enable subpage reads
Date: Tue, 10 May 2016 08:24:42 +0200 [thread overview]
Message-ID: <1462861483-19983-3-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1462861483-19983-1-git-send-email-s.hauer@pengutronix.de>
Until now we did not support subpage reads for smaller binary sizes.
Scanning UBI volumes on large page NANDs can be painfully slow,
subpage reads can speed this up significantly, so enable subpage reads.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
include/linux/mtd/nand.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index dfb94d7..76a6425 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -169,7 +169,7 @@ typedef enum {
/* Device supports subpage reads */
/* Disabled in barebox for smaller binary sizes */
-#define NAND_SUBPAGE_READ (__BAREBOX__ ? 0x0 : 0x00001000)
+#define NAND_SUBPAGE_READ (0x00001000)
/* Options valid for Samsung large page devices */
#define NAND_SAMSUNG_LP_OPTIONS NAND_CACHEPRG
--
2.8.0.rc3
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next prev parent reply other threads:[~2016-05-10 6:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-10 6:24 [PATCH 1/4] mtd: nand: nand_mxs: Factor out BCH setup function Sascha Hauer
2016-05-10 6:24 ` [PATCH 2/4] mtd: nand: Pass page argument to read_subpage hook Sascha Hauer
2016-05-10 6:24 ` Sascha Hauer [this message]
2016-05-10 6:24 ` [PATCH 4/4] mtd: nand: nand_mxs: Add subpage read support Sascha Hauer
2016-05-18 6:52 ` Stefan Christ
2016-05-19 7:00 ` Sascha Hauer
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