mirror of
https://github.com/FUjr/gl-infra-builder.git
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55 lines
1.7 KiB
Diff
55 lines
1.7 KiB
Diff
From 3d49194ab22815afcaed282e272f0ed78d96c3c5 Mon Sep 17 00:00:00 2001
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From: gl-luochongjun <luochongjun@gl-inet.com>
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Date: Thu, 14 Jul 2022 11:45:07 +0800
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Subject: [PATCH] wlan-ap: fix: sdhci detect failed during booting
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---
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...x-sdhci-detect-failed-during-booting.patch | 35 +++++++++++++++++++
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1 file changed, 35 insertions(+)
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create mode 100644 feeds/ipq807x/ipq807x/patches/301-fix-sdhci-detect-failed-during-booting.patch
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diff --git a/feeds/ipq807x/ipq807x/patches/301-fix-sdhci-detect-failed-during-booting.patch b/feeds/ipq807x/ipq807x/patches/301-fix-sdhci-detect-failed-during-booting.patch
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new file mode 100644
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index 00000000..1a8ddce2
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--- /dev/null
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+++ b/feeds/ipq807x/ipq807x/patches/301-fix-sdhci-detect-failed-during-booting.patch
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@@ -0,0 +1,35 @@
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+--- a/drivers/mmc/core/core.c
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++++ b/drivers/mmc/core/core.c
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+@@ -2458,6 +2458,7 @@ EXPORT_SYMBOL(mmc_hw_reset);
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+
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+ static int mmc_rescan_try_freq(struct mmc_host *host, unsigned freq)
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+ {
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++ int do_power_cycle = 0;
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+ host->f_init = freq;
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+
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+ #ifdef CONFIG_MMC_DEBUG
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+@@ -2466,6 +2467,12 @@ static int mmc_rescan_try_freq(struct mm
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+ #endif
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+ mmc_power_up(host, host->ocr_avail);
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+
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++need_power_cycle:
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++ if (do_power_cycle) {
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++ pr_info("%s: %s: reset power\n",
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++ mmc_hostname(host), __func__);
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++ mmc_power_cycle(host, host->ocr_avail);
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++ }
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+ /*
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+ * Some eMMCs (with VCCQ always on) may not be reset after power up, so
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+ * do a hardware reset if possible.
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+@@ -2487,6 +2494,11 @@ static int mmc_rescan_try_freq(struct mm
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+ return 0;
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+ if (!mmc_attach_sd(host))
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+ return 0;
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++ else if (!do_power_cycle) {
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++ /* some model need to reset power */
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++ do_power_cycle = 1;
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++ goto need_power_cycle;
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++ }
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+ if (!mmc_attach_mmc(host))
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+ return 0;
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+
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--
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2.25.1
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