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7964a578f5
* Add a series of patches for sunxi 5.10 Patches from the repository https://github.com/megous/linux branches of orange-pi-5.10 * Patches adapted to the kernel version v5.10.81 * Remove unnecessary patches 5.10.19-5.10.75 * Kernel switch tag=v5.10.81 for the current sunxi * Adjust broken patches, build tested on sunxi and sunxi64 * Remove patch added by mistake Co-authored-by: Igor Pecovnik <igor.pecovnik@gmail.com>
39 lines
1.0 KiB
Diff
39 lines
1.0 KiB
Diff
From f7c51780e2bca9edb46981008d8715a8de1205f4 Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megous@megous.com>
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Date: Fri, 16 Mar 2018 20:31:55 +0100
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Subject: [PATCH 033/323] mmc: add delay after power class selection
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This seems to fix issue with sporadic ETIMEOUT in eMMC cache
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initialization on second generation TBS A711 tablet.
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Signed-off-by: Ondrej Jirman <megous@megous.com>
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---
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drivers/mmc/core/mmc.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
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index 7494d5950..4ee6b1af5 100644
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--- a/drivers/mmc/core/mmc.c
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+++ b/drivers/mmc/core/mmc.c
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@@ -1796,6 +1796,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
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*/
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mmc_select_powerclass(card);
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+ msleep(20);
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+
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/*
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* Enable HPI feature (if supported)
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*/
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@@ -1815,6 +1817,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
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}
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}
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+ msleep(20);
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+
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/*
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* If cache size is higher than 0, this indicates the existence of cache
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* and it can be turned on. Note that some eMMCs from Micron has been
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--
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2.34.0
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