sdhci: acpi: add free_slot callback

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>

diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index 32321bd..c61109f 100644 (file)
--- 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 platform_device *pdev)
 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 platform_device *pdev)
 
        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;