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8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
44 lines
1.5 KiB
Diff
44 lines
1.5 KiB
Diff
From 22b6295e3b0818583bf523d4b14ca7e0308d6861 Mon Sep 17 00:00:00 2001
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From: Jonathan Bell <jonathan@raspberrypi.com>
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Date: Thu, 13 Jun 2024 15:05:40 +0100
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Subject: [PATCH 1134/1135] drivers: mmc: core: handle card-removal when
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running CQE recovery
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Recovery claims the MMC card so the card-detect work gets significantly
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delayed - leading to lots of error recovery loops that can never do
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anything but fail.
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Explicitly detect the card after CQE has halted and bail if it's not
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there.
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Also ratelimit a not-very-descriptive warning - one occurrence in dmesg
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is enough to signal that something is amiss.
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Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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---
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drivers/mmc/core/core.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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--- a/drivers/mmc/core/core.c
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+++ b/drivers/mmc/core/core.c
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@@ -543,10 +543,18 @@ int mmc_cqe_recovery(struct mmc_host *ho
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* Recovery is expected seldom, if at all, but it reduces performance,
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* so make sure it is not completely silent.
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*/
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- pr_warn("%s: running CQE recovery\n", mmc_hostname(host));
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+ pr_warn_ratelimited("%s: running CQE recovery\n", mmc_hostname(host));
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host->cqe_ops->cqe_recovery_start(host);
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+ err = mmc_detect_card_removed(host);
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+ if (err) {
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+ host->cqe_ops->cqe_recovery_finish(host);
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+ host->cqe_ops->cqe_off(host);
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+ mmc_retune_release(host);
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+ return err;
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+ }
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+
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memset(&cmd, 0, sizeof(cmd));
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cmd.opcode = MMC_STOP_TRANSMISSION;
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cmd.flags = MMC_RSP_R1B | MMC_CMD_AC;
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