Merge tag 'v3.7' into stable/for-linus-3.8

Linux 3.7

* tag 'v3.7': (833 commits)
  Linux 3.7
  Input: matrix-keymap - provide proper module license
  Revert "revert "Revert "mm: remove __GFP_NO_KSWAPD""" and associated damage
  ipv4: ip_check_defrag must not modify skb before unsharing
  Revert "mm: avoid waking kswapd for THP allocations when compaction is deferred or contended"
  inet_diag: validate port comparison byte code to prevent unsafe reads
  inet_diag: avoid unsafe and nonsensical prefix matches in inet_diag_bc_run()
  inet_diag: validate byte code to prevent oops in inet_diag_bc_run()
  inet_diag: fix oops for IPv4 AF_INET6 TCP SYN-RECV state
  mm: vmscan: fix inappropriate zone congestion clearing
  vfs: fix O_DIRECT read past end of block device
  net: gro: fix possible panic in skb_gro_receive()
  tcp: bug fix Fast Open client retransmission
  tmpfs: fix shared mempolicy leak
  mm: vmscan: do not keep kswapd looping forever due to individual uncompactable zones
  mm: compaction: validate pfn range passed to isolate_freepages_block
  mmc: sh-mmcif: avoid oops on spurious interrupts (second try)
  Revert misapplied "mmc: sh-mmcif: avoid oops on spurious interrupts"
  mmc: sdhci-s3c: fix missing clock for gpio card-detect
  lib/Makefile: Fix oid_registry build dependency
  ...

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

Conflicts:
	arch/arm/xen/enlighten.c
	drivers/xen/Makefile

[We need to have the v3.7 base as the 'for-3.8' was based off v3.7-rc3
and there are some patches in v3.7-rc6 that we to have in our branch]

1 files changed, 23 insertions, 14 deletions

diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 2903949594c..c9ec725884e 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -211,8 +211,8 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock)
 	if (ourhost->cur_clk != best_src) {
 		struct clk *clk = ourhost->clk_bus[best_src];
 
-		clk_enable(clk);
-		clk_disable(ourhost->clk_bus[ourhost->cur_clk]);
+		clk_prepare_enable(clk);
+		clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]);
 
 		/* turn clock off to card before changing clock source */
 		writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL);
@@ -373,18 +373,25 @@ static struct sdhci_ops sdhci_s3c_ops = {
 static void sdhci_s3c_notify_change(struct platform_device *dev, int state)
 {
 	struct sdhci_host *host = platform_get_drvdata(dev);
+	struct sdhci_s3c *sc = sdhci_priv(host);
 	unsigned long flags;
 
 	if (host) {
 		spin_lock_irqsave(&host->lock, flags);
 		if (state) {
 			dev_dbg(&dev->dev, "card inserted.\n");
+#ifdef CONFIG_PM_RUNTIME
+			clk_prepare_enable(sc->clk_io);
+#endif
 			host->flags &= ~SDHCI_DEVICE_DEAD;
 			host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
 		} else {
 			dev_dbg(&dev->dev, "card removed.\n");
 			host->flags |= SDHCI_DEVICE_DEAD;
 			host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
+#ifdef CONFIG_PM_RUNTIME
+			clk_disable_unprepare(sc->clk_io);
+#endif
 		}
 		tasklet_schedule(&host->card_tasklet);
 		spin_unlock_irqrestore(&host->lock, flags);
@@ -607,7 +614,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 	}
 
 	/* enable the local io clock and keep it running for the moment. */
-	clk_enable(sc->clk_io);
+	clk_prepare_enable(sc->clk_io);
 
 	for (clks = 0, ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
 		struct clk *clk;
@@ -638,7 +645,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 	}
 
 #ifndef CONFIG_PM_RUNTIME
-	clk_enable(sc->clk_bus[sc->cur_clk]);
+	clk_prepare_enable(sc->clk_bus[sc->cur_clk]);
 #endif
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -747,13 +754,14 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 		sdhci_s3c_setup_card_detect_gpio(sc);
 
 #ifdef CONFIG_PM_RUNTIME
-	clk_disable(sc->clk_io);
+	if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
+		clk_disable_unprepare(sc->clk_io);
 #endif
 	return 0;
 
  err_req_regs:
 #ifndef CONFIG_PM_RUNTIME
-	clk_disable(sc->clk_bus[sc->cur_clk]);
+	clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
 #endif
 	for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
 		if (sc->clk_bus[ptr]) {
@@ -762,7 +770,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 	}
 
  err_no_busclks:
-	clk_disable(sc->clk_io);
+	clk_disable_unprepare(sc->clk_io);
 	clk_put(sc->clk_io);
 
  err_io_clk:
@@ -794,7 +802,8 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
 		gpio_free(sc->ext_cd_gpio);
 
 #ifdef CONFIG_PM_RUNTIME
-	clk_enable(sc->clk_io);
+	if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
+		clk_prepare_enable(sc->clk_io);
 #endif
 	sdhci_remove_host(host, 1);
 
@@ -802,14 +811,14 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 
 #ifndef CONFIG_PM_RUNTIME
-	clk_disable(sc->clk_bus[sc->cur_clk]);
+	clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
 #endif
 	for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
 		if (sc->clk_bus[ptr]) {
 			clk_put(sc->clk_bus[ptr]);
 		}
 	}
-	clk_disable(sc->clk_io);
+	clk_disable_unprepare(sc->clk_io);
 	clk_put(sc->clk_io);
 
 	if (pdev->dev.of_node) {
@@ -849,8 +858,8 @@ static int sdhci_s3c_runtime_suspend(struct device *dev)
 
 	ret = sdhci_runtime_suspend_host(host);
 
-	clk_disable(ourhost->clk_bus[ourhost->cur_clk]);
-	clk_disable(busclk);
+	clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]);
+	clk_disable_unprepare(busclk);
 	return ret;
 }
 
@@ -861,8 +870,8 @@ static int sdhci_s3c_runtime_resume(struct device *dev)
 	struct clk *busclk = ourhost->clk_io;
 	int ret;
 
-	clk_enable(busclk);
-	clk_enable(ourhost->clk_bus[ourhost->cur_clk]);
+	clk_prepare_enable(busclk);
+	clk_prepare_enable(ourhost->clk_bus[ourhost->cur_clk]);
 	ret = sdhci_runtime_resume_host(host);
 	return ret;
 }