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authorDavid S. Miller <davem@davemloft.net>2016-02-23 00:09:14 -0500
committerDavid S. Miller <davem@davemloft.net>2016-02-23 00:09:14 -0500
commitb633353115e352d3c31c12d4c61978c810f05ea1 (patch)
tree055174a1b31a3e10fd2c505788fe6487b0028d00 /drivers/mmc/host/sdhci-acpi.c
parentb1d95ae5c5bd3deba84d00c4f83d7d0836b5936f (diff)
parentdea08e604408d0303e2332896c5fdd8c1f7d79a2 (diff)
downloadop-kernel-dev-b633353115e352d3c31c12d4c61978c810f05ea1.zip
op-kernel-dev-b633353115e352d3c31c12d4c61978c810f05ea1.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/phy/bcm7xxx.c drivers/net/phy/marvell.c drivers/net/vxlan.c All three conflicts were cases of simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/mmc/host/sdhci-acpi.c')
-rw-r--r--drivers/mmc/host/sdhci-acpi.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index f6047fc..a5cda92 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -146,6 +146,33 @@ static const struct sdhci_acpi_chip sdhci_acpi_chip_int = {
.ops = &sdhci_acpi_ops_int,
};
+static int bxt_get_cd(struct mmc_host *mmc)
+{
+ int gpio_cd = mmc_gpio_get_cd(mmc);
+ struct sdhci_host *host = mmc_priv(mmc);
+ unsigned long flags;
+ int ret = 0;
+
+ if (!gpio_cd)
+ return 0;
+
+ pm_runtime_get_sync(mmc->parent);
+
+ spin_lock_irqsave(&host->lock, flags);
+
+ if (host->flags & SDHCI_DEVICE_DEAD)
+ goto out;
+
+ ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT);
+out:
+ spin_unlock_irqrestore(&host->lock, flags);
+
+ pm_runtime_mark_last_busy(mmc->parent);
+ pm_runtime_put_autosuspend(mmc->parent);
+
+ return ret;
+}
+
static int sdhci_acpi_emmc_probe_slot(struct platform_device *pdev,
const char *hid, const char *uid)
{
@@ -196,6 +223,9 @@ static int sdhci_acpi_sd_probe_slot(struct platform_device *pdev,
/* Platform specific code during sd probe slot goes here */
+ if (hid && !strcmp(hid, "80865ACA"))
+ host->mmc_host_ops.get_cd = bxt_get_cd;
+
return 0;
}
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