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    Subject[PATCH 4.18 084/350] sdhci: acpi: add free_slot callback
    Date
    4.18-stable review patch.  If anyone has any objections, please let me know.

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

    From: Wang Dongsheng <dongsheng.wang@hxt-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@hxt-semitech.com>
    Acked-by: Adrian Hunter <adrian.hunter@intel.com>
    Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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;

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