Don't call any of_platform_driver's probe() function if the device node is
not accessible (as denoted in the status property).

Signed-off-by: Hollis Blanchard <hollis_blanch...@mentor.com>
Signed-off-by: Deepak Saxena <deepak_sax...@mentor.com>
---
 arch/powerpc/platforms/83xx/suspend.c |    3 ---
 drivers/mmc/host/sdhci-of-core.c      |    3 ---
 drivers/net/gianfar.c                 |    2 +-
 drivers/net/ibm_newemac/core.c        |    2 +-
 drivers/of/platform.c                 |    7 +++++--
 5 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/arch/powerpc/platforms/83xx/suspend.c 
b/arch/powerpc/platforms/83xx/suspend.c
index 75ae77f..a5a54aa 100644
--- a/arch/powerpc/platforms/83xx/suspend.c
+++ b/arch/powerpc/platforms/83xx/suspend.c
@@ -326,9 +326,6 @@ static int pmc_probe(struct platform_device *ofdev,
        struct pmc_type *type = match->data;
        int ret = 0;
 
-       if (!of_device_is_available(np))
-               return -ENODEV;
-
        has_deep_sleep = type->has_deep_sleep;
        immrbase = get_immrbase();
        pmc_dev = ofdev;
diff --git a/drivers/mmc/host/sdhci-of-core.c b/drivers/mmc/host/sdhci-of-core.c
index c51b711..51218d4 100644
--- a/drivers/mmc/host/sdhci-of-core.c
+++ b/drivers/mmc/host/sdhci-of-core.c
@@ -126,9 +126,6 @@ static int __devinit sdhci_of_probe(struct platform_device 
*ofdev,
        int size;
        int ret;
 
-       if (!of_device_is_available(np))
-               return -ENODEV;
-
        host = sdhci_alloc_host(&ofdev->dev, sizeof(*of_host));
        if (IS_ERR(host))
                return -ENOMEM;
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index d1bec62..9918914 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -620,7 +620,7 @@ static int gfar_of_init(struct platform_device *ofdev, 
struct net_device **pdev)
        unsigned int num_tx_qs, num_rx_qs;
        u32 *tx_queues, *rx_queues;
 
-       if (!np || !of_device_is_available(np))
+       if (!np)
                return -ENODEV;
 
        /* parse the num of tx and rx queues */
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 06bb9b7..290fff2 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -2732,7 +2732,7 @@ static int __devinit emac_probe(struct platform_device 
*ofdev,
         * property here for now, but new flat device trees should set a
         * status property to "disabled" instead.
         */
-       if (of_get_property(np, "unused", NULL) || !of_device_is_available(np))
+       if (of_get_property(np, "unused", NULL))
                return -ENODEV;
 
        /* Find ourselves in the bootlist if we are there */
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 5b4a07f..14370a0 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -56,7 +56,10 @@ static int platform_driver_probe_shim(struct platform_device 
*pdev)
         * come up empty.  Return -EINVAL in this case so other drivers get
         * the chance to bind. */
        match = of_match_device(pdev->dev.driver->of_match_table, &pdev->dev);
-       return match ? ofpdrv->probe(pdev, match) : -EINVAL;
+       if (match && of_device_is_available(pdev->dev.of_node))
+               return ofpdrv->probe(pdev, match);
+
+       return -EINVAL;
 }
 
 static void platform_driver_shutdown_shim(struct platform_device *pdev)
@@ -142,7 +145,7 @@ static int of_platform_device_probe(struct device *dev)
        of_dev_get(of_dev);
 
        match = of_match_device(drv->driver.of_match_table, dev);
-       if (match)
+       if (match && of_device_is_available(dev->of_node))
                error = drv->probe(of_dev, match);
        if (error)
                of_dev_put(of_dev);
-- 
1.6.3.3

_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev

Reply via email to