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26 lines
849 B
Diff
26 lines
849 B
Diff
From e2c1ef18cddb426b9eea79599aec892717bead48 Mon Sep 17 00:00:00 2001
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From: Han Xu <han.xu@nxp.com>
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Date: Thu, 15 Aug 2019 21:45:50 -0500
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Subject: [PATCH] nand: raw: workaround for EDO high speed mode
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Found issue for EDO high speed mode, set to low speed mode as a
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workaround.
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Signed-off-by: Han Xu <han.xu@nxp.com>
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---
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drivers/mtd/nand/raw/nand_base.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/drivers/mtd/nand/raw/nand_base.c
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+++ b/drivers/mtd/nand/raw/nand_base.c
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@@ -940,7 +940,8 @@ static int nand_init_data_interface(stru
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modes = GENMASK(chip->onfi_timing_mode_default, 0);
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}
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- for (mode = fls(modes) - 1; mode >= 0; mode--) {
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+ /* for (mode = fls(modes) - 1; mode >= 0; mode--) { */
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+ for (mode = 1; mode >= 0; mode--) {
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ret = onfi_fill_data_interface(chip, NAND_SDR_IFACE, mode);
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if (ret)
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continue;
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