linux-kernel - [PATCH 4.19 071/361] sdhci: acpi: add free

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Message-Id: <20181111221630.001440912@linuxfoundation.org>
Date:   Sun, 11 Nov 2018 14:16:58 -0800
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Wang Dongsheng <dongsheng.wang@...-semitech.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 071/361] sdhci: acpi: add free_slot callback

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wang Dongsheng <dongsheng.wang@...-semitech.com>

[ Upstream commit c7eabbee3de99347105faa7fd925a500ccf43baf ]

The device specific resource can be free in free_slot after
removing host controller.

Signed-off-by: Wang Dongsheng <dongsheng.wang@...-semitech.com>
Acked-by: Adrian Hunter <adrian.hunter@...el.com>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/mmc/host/sdhci-acpi.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -76,6 +76,7 @@ struct sdhci_acpi_slot {
 	size_t		priv_size;
 	int (*probe_slot)(struct platform_device *, const char *, const char *);
 	int (*remove_slot)(struct platform_device *);
+	int (*free_slot)(struct platform_device *pdev);
 	int (*setup_host)(struct platform_device *pdev);
 };
 
@@ -756,6 +757,9 @@ static int sdhci_acpi_probe(struct platf
 err_cleanup:
 	sdhci_cleanup_host(c->host);
 err_free:
+	if (c->slot && c->slot->free_slot)
+		c->slot->free_slot(pdev);
+
 	sdhci_free_host(c->host);
 	return err;
 }
@@ -777,6 +781,10 @@ static int sdhci_acpi_remove(struct plat
 
 	dead = (sdhci_readl(c->host, SDHCI_INT_STATUS) == ~0);
 	sdhci_remove_host(c->host, dead);
+
+	if (c->slot && c->slot->free_slot)
+		c->slot->free_slot(pdev);
+
 	sdhci_free_host(c->host);
 
 	return 0;