[PATCH 1/5] of/device: Centralize checking of 'status' properties
Deepak Saxena
deepak_saxena at mentor.com
Thu Dec 9 06:29:13 EST 2010
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_blanchard at mentor.com>
Signed-off-by: Deepak Saxena <deepak_saxena at 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
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