diff options
Diffstat (limited to 'drivers/net/ethernet/smsc/smc91x.c')
| -rw-r--r-- | drivers/net/ethernet/smsc/smc91x.c | 51 |
1 files changed, 37 insertions, 14 deletions
diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index 0c9b5d94154f..839c0e6cca01 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c @@ -19,8 +19,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. * * Arguments: * io = for the base address @@ -66,7 +65,6 @@ static const char version[] = #endif -#include <linux/init.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> @@ -82,6 +80,7 @@ static const char version[] = #include <linux/mii.h> #include <linux/workqueue.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> @@ -1894,7 +1893,7 @@ static int smc_probe(struct net_device *dev, void __iomem *ioaddr, SMC_SELECT_BANK(lp, 1); val = SMC_GET_BASE(lp); val = ((val & 0x1F00) >> 3) << SMC_IO_SHIFT; - if (((unsigned int)ioaddr & (0x3e0 << SMC_IO_SHIFT)) != val) { + if (((unsigned long)ioaddr & (0x3e0 << SMC_IO_SHIFT)) != val) { netdev_warn(dev, "%s: IOADDR %p doesn't match configuration (%x).\n", CARDNAME, ioaddr, val); } @@ -2184,6 +2183,15 @@ static void smc_release_datacs(struct platform_device *pdev, struct net_device * } } +#if IS_BUILTIN(CONFIG_OF) +static const struct of_device_id smc91x_match[] = { + { .compatible = "smsc,lan91c94", }, + { .compatible = "smsc,lan91c111", }, + {}, +}; +MODULE_DEVICE_TABLE(of, smc91x_match); +#endif + /* * smc_init(void) * Input parameters: @@ -2198,6 +2206,7 @@ static void smc_release_datacs(struct platform_device *pdev, struct net_device * static int smc_drv_probe(struct platform_device *pdev) { struct smc91x_platdata *pd = dev_get_platdata(&pdev->dev); + const struct of_device_id *match = NULL; struct smc_local *lp; struct net_device *ndev; struct resource *res, *ires; @@ -2217,11 +2226,34 @@ static int smc_drv_probe(struct platform_device *pdev) */ lp = netdev_priv(ndev); + lp->cfg.flags = 0; if (pd) { memcpy(&lp->cfg, pd, sizeof(lp->cfg)); lp->io_shift = SMC91X_IO_SHIFT(lp->cfg.flags); - } else { + } + +#if IS_BUILTIN(CONFIG_OF) + match = of_match_device(of_match_ptr(smc91x_match), &pdev->dev); + if (match) { + struct device_node *np = pdev->dev.of_node; + u32 val; + + /* Combination of IO widths supported, default to 16-bit */ + if (!of_property_read_u32(np, "reg-io-width", &val)) { + if (val & 1) + lp->cfg.flags |= SMC91X_USE_8BIT; + if ((val == 0) || (val & 2)) + lp->cfg.flags |= SMC91X_USE_16BIT; + if (val & 4) + lp->cfg.flags |= SMC91X_USE_32BIT; + } else { + lp->cfg.flags |= SMC91X_USE_16BIT; + } + } +#endif + + if (!pd && !match) { lp->cfg.flags |= (SMC_CAN_USE_8BIT) ? SMC91X_USE_8BIT : 0; lp->cfg.flags |= (SMC_CAN_USE_16BIT) ? SMC91X_USE_16BIT : 0; lp->cfg.flags |= (SMC_CAN_USE_32BIT) ? SMC91X_USE_32BIT : 0; @@ -2370,15 +2402,6 @@ static int smc_drv_resume(struct device *dev) return 0; } -#ifdef CONFIG_OF -static const struct of_device_id smc91x_match[] = { - { .compatible = "smsc,lan91c94", }, - { .compatible = "smsc,lan91c111", }, - {}, -}; -MODULE_DEVICE_TABLE(of, smc91x_match); -#endif - static struct dev_pm_ops smc_drv_pm_ops = { .suspend = smc_drv_suspend, .resume = smc_drv_resume, |