diff options
author | Graeme Gregory <graeme.gregory@linaro.org> | 2014-06-30 19:52:02 +0100 |
---|---|---|
committer | Hanjun Guo <hanjun.guo@linaro.org> | 2015-02-25 16:07:11 +0800 |
commit | 9e6fdb917df4d89ccb8881cb8f74700ba2de1c94 (patch) | |
tree | ff37afa90657112040cf333980b13cc3a364a31a | |
parent | d4930eb817f99bdfd7478cb9d29ed4588ea385bb (diff) |
net: smsc911x add support for probing from ACPI
This is a standard platform device to resources are converted in the
ACPI core in the same fasion as DT resources. For the other DT
provided information there is _DSD for ACPI.
Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org>
-rw-r--r-- | drivers/net/ethernet/smsc/smsc911x.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index 2965c6ae7d6e..ffbd358e319e 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -60,6 +60,7 @@ #include <linux/of_gpio.h> #include <linux/of_net.h> #include <linux/pm_runtime.h> +#include <linux/acpi.h> #include "smsc911x.h" @@ -2412,9 +2413,36 @@ static inline int smsc911x_probe_config_dt( } #endif /* CONFIG_OF */ +#ifdef CONFIG_ACPI +/* Configure some sensible defaults for ACPI mode */ +static int smsc911x_probe_config_acpi(struct smsc911x_platform_config *config, + acpi_handle *ahandle) +{ + if (!ahandle) + return -ENOSYS; + + config->phy_interface = PHY_INTERFACE_MODE_MII; + + config->flags |= SMSC911X_USE_32BIT; + + config->irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH; + + config->irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL; + + return 0; +} +#else +static int smsc911x_probe_config_acpi(struct smsc911x_platform_config *config, + acpi_handle *ahandle) +{ + return -ENOSYS; +} +#endif /* CONFIG_ACPI */ + static int smsc911x_drv_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; + acpi_handle *ahandle = ACPI_HANDLE(&pdev->dev); struct net_device *dev; struct smsc911x_data *pdata; struct smsc911x_platform_config *config = dev_get_platdata(&pdev->dev); @@ -2479,6 +2507,9 @@ static int smsc911x_drv_probe(struct platform_device *pdev) } retval = smsc911x_probe_config_dt(&pdata->config, np); + if (retval) + retval = smsc911x_probe_config_acpi(&pdata->config, ahandle); + if (retval && config) { /* copy config parameters across to pdata */ memcpy(&pdata->config, config, sizeof(pdata->config)); @@ -2654,6 +2685,12 @@ static const struct of_device_id smsc911x_dt_ids[] = { MODULE_DEVICE_TABLE(of, smsc911x_dt_ids); #endif +static const struct acpi_device_id smsc911x_acpi_ids[] = { + { "LNRO001B", }, + { "ARMH9118", }, + { } +}; + static struct platform_driver smsc911x_driver = { .probe = smsc911x_drv_probe, .remove = smsc911x_drv_remove, @@ -2661,6 +2698,7 @@ static struct platform_driver smsc911x_driver = { .name = SMSC_CHIPNAME, .pm = SMSC911X_PM_OPS, .of_match_table = of_match_ptr(smsc911x_dt_ids), + .acpi_match_table = ACPI_PTR(smsc911x_acpi_ids), }, }; |