[SUNLANCE]: Fix sparc32 crashes by using of_*() interfaces.

This driver was still using the deprecated prom_*() interfaces to
obtain values out of the OBP device tree, and this is causing
some kinds of problems on sparc32 especially SMP boxes.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 20 insertions, 28 deletions

diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 053b7cb0d944..68e4f660367d 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -99,8 +99,7 @@ static char lancestr[] = "LANCE";
 #include <asm/byteorder.h>      /* Used by the checksum routines */
 #include <asm/idprom.h>
 #include <asm/sbus.h>
-#include <asm/openprom.h>
-#include <asm/oplib.h>
+#include <asm/prom.h>
 #include <asm/auxio.h>          /* For tpe-link-test? setting */
 #include <asm/irq.h>
 
@@ -1326,6 +1325,7 @@ static int __devinit sparc_lance_probe_one(struct sbus_dev *sdev,
                                            struct sbus_dev *lebuffer)
 {
         static unsigned version_printed;
+        struct device_node *dp = sdev->ofdev.node;
         struct net_device *dev;
         struct lance_private *lp;
         int    i;
@@ -1389,54 +1389,46 @@ static int __devinit sparc_lance_probe_one(struct sbus_dev *sdev,
                 lp->rx = lance_rx_dvma;
                 lp->tx = lance_tx_dvma;
         }
-        lp->busmaster_regval = prom_getintdefault(sdev->prom_node,
-                                                  "busmaster-regval",
-                                                  (LE_C3_BSWP | LE_C3_ACON |
-                                                   LE_C3_BCON));
+        lp->busmaster_regval = of_getintprop_default(dp,  "busmaster-regval",
+                                                     (LE_C3_BSWP |
+                                                      LE_C3_ACON |
+                                                      LE_C3_BCON));
 
         lp->name = lancestr;
         lp->ledma = ledma;
 
         lp->burst_sizes = 0;
         if (lp->ledma) {
-                char prop[6];
+                struct device_node *ledma_dp = ledma->sdev->ofdev.node;
+                const char *prop;
                 unsigned int sbmask;
                 u32 csr;
 
                 /* Find burst-size property for ledma */
-                lp->burst_sizes = prom_getintdefault(ledma->sdev->prom_node,
-                                                     "burst-sizes", 0);
+                lp->burst_sizes = of_getintprop_default(ledma_dp,
+                                                        "burst-sizes", 0);
 
                 /* ledma may be capable of fast bursts, but sbus may not. */
-                sbmask = prom_getintdefault(ledma->sdev->bus->prom_node,
-                                            "burst-sizes", DMA_BURSTBITS);
+                sbmask = of_getintprop_default(ledma_dp, "burst-sizes",
+                                               DMA_BURSTBITS);
                 lp->burst_sizes &= sbmask;
 
                 /* Get the cable-selection property */
-                memset(prop, 0, sizeof(prop));
-                prom_getstring(ledma->sdev->prom_node, "cable-selection",
-                               prop, sizeof(prop));
-                if (prop[0] == 0) {
-                        int topnd, nd;
+                prop = of_get_property(ledma_dp, "cable-selection", NULL);
+                if (!prop || prop[0] == '\0') {
+                        struct device_node *nd;
 
-                        printk(KERN_INFO "SunLance: using auto-carrier-detection.\n");
+                        printk(KERN_INFO "SunLance: using "
+                               "auto-carrier-detection.\n");
 
-                        /* Is this found at /options .attributes in all
-                         * Prom versions? XXX
-                         */
-                        topnd = prom_getchild(prom_root_node);
-
-                        nd = prom_searchsiblings(topnd, "options");
+                        nd = of_find_node_by_path("/options");
                         if (!nd)
                                 goto no_link_test;
 
-                        if (!prom_node_has_property(nd, "tpe-link-test?"))
+                        prop = of_get_property(nd, "tpe-link-test?", NULL);
+                        if (!prop)
                                 goto no_link_test;
 
-                        memset(prop, 0, sizeof(prop));
-                        prom_getstring(nd, "tpe-link-test?", prop,
-                                       sizeof(prop));
-
                         if (strcmp(prop, "true")) {
                                 printk(KERN_NOTICE "SunLance: warning: overriding option "
                                        "'tpe-link-test?'\n");