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https://github.com/coolsnowwolf/lede.git
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38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
From 2c80db171f88a2c7384cfefbd20ba4b2ed570e5c Mon Sep 17 00:00:00 2001
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From: Hector Martin <marcan@marcan.st>
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Date: Thu, 5 May 2022 01:40:31 +0900
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Subject: [PATCH 060/171] mmc: sdhci-pci: Support external CD GPIO on all OF
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systems
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Allow OF systems to specify an external CD GPIO on all devices,
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even if they have an internal CD feature.
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Signed-off-by: Hector Martin <marcan@marcan.st>
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---
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drivers/mmc/host/sdhci-pci-core.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
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index ed53276f6ad9..a711b4be3867 100644
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--- a/drivers/mmc/host/sdhci-pci-core.c
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+++ b/drivers/mmc/host/sdhci-pci-core.c
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@@ -2096,6 +2096,15 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot(
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dev_warn(&pdev->dev, "failed to setup card detect gpio\n");
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slot->cd_idx = -1;
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}
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+ } else if (is_of_node(pdev->dev.fwnode)) {
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+ /* Allow all OF systems to use a CD GPIO if provided */
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+
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+ ret = mmc_gpiod_request_cd(host->mmc, "cd", 0,
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+ slot->cd_override_level, 0);
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+ if (ret == -EPROBE_DEFER)
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+ goto remove;
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+ else if (ret == 0)
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+ slot->cd_idx = 0;
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}
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if (chip->fixes && chip->fixes->add_host)
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--
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2.34.1
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