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