Merge branches 'core-fixes-for-linus' and 'irq-fixes-for-linus' of git://git.kernel...

[pandora-kernel.git] / drivers / mmc / core / host.c

diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 2b200c1..b29d3e8 100644 (file)
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -94,7 +94,7 @@ static void mmc_host_clk_gate_delayed(struct mmc_host *host)
                spin_unlock_irqrestore(&host->clk_lock, flags);
                return;
        }
-       mmc_claim_host(host);
+       mutex_lock(&host->clk_gate_mutex);
        spin_lock_irqsave(&host->clk_lock, flags);
        if (!host->clk_requests) {
                spin_unlock_irqrestore(&host->clk_lock, flags);
@@ -104,7 +104,7 @@ static void mmc_host_clk_gate_delayed(struct mmc_host *host)
                pr_debug("%s: gated MCI clock\n", mmc_hostname(host));
        }
        spin_unlock_irqrestore(&host->clk_lock, flags);
-       mmc_release_host(host);
+       mutex_unlock(&host->clk_gate_mutex);
 }
 
 /*
@@ -130,7 +130,7 @@ void mmc_host_clk_ungate(struct mmc_host *host)
 {
        unsigned long flags;
 
-       mmc_claim_host(host);
+       mutex_lock(&host->clk_gate_mutex);
        spin_lock_irqsave(&host->clk_lock, flags);
        if (host->clk_gated) {
                spin_unlock_irqrestore(&host->clk_lock, flags);
@@ -140,7 +140,7 @@ void mmc_host_clk_ungate(struct mmc_host *host)
        }
        host->clk_requests++;
        spin_unlock_irqrestore(&host->clk_lock, flags);
-       mmc_release_host(host);
+       mutex_unlock(&host->clk_gate_mutex);
 }
 
 /**
@@ -215,6 +215,7 @@ static inline void mmc_host_clk_init(struct mmc_host *host)
        host->clk_gated = false;
        INIT_WORK(&host->clk_gate_work, mmc_host_clk_gate_work);
        spin_lock_init(&host->clk_lock);
+       mutex_init(&host->clk_gate_mutex);
 }
 
 /**
@@ -324,12 +325,12 @@ int mmc_add_host(struct mmc_host *host)
        WARN_ON((host->caps & MMC_CAP_SDIO_IRQ) &&
                !host->ops->enable_sdio_irq);
 
-       led_trigger_register_simple(dev_name(&host->class_dev), &host->led);
-
        err = device_add(&host->class_dev);
        if (err)
                return err;
 
+       led_trigger_register_simple(dev_name(&host->class_dev), &host->led);
+
 #ifdef CONFIG_DEBUG_FS
        mmc_add_host_debugfs(host);
 #endif