[SPARC64]: Use in-kernel PROM tree for EBUS and ISA.

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

1 files changed, 33 insertions, 38 deletions

diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index 19e8eddf887a..cf97e9efe9b6 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -768,16 +768,14 @@ static void envctrl_set_mon(struct i2c_child_t *pchild,
  *                       decoding tables, monitor type, optional properties.
  * Return: None.
  */
-static void envctrl_init_adc(struct i2c_child_t *pchild, int node)
+static void envctrl_init_adc(struct i2c_child_t *pchild, struct device_node *dp)
 {
-        char chnls_desc[CHANNEL_DESC_SZ];
         int i = 0, len;
-        char *pos = chnls_desc;
+        char *pos;
+        unsigned int *pval;
 
         /* Firmware describe channels into a stream separated by a '\0'. */
-        len = prom_getproperty(node, "channels-description", chnls_desc,
-                               CHANNEL_DESC_SZ);
-        chnls_desc[CHANNEL_DESC_SZ - 1] = '\0';
+        pos = of_get_property(dp, "channels-description", &len);
 
         while (len > 0) {
                 int l = strlen(pos) + 1;
@@ -787,10 +785,13 @@ static void envctrl_init_adc(struct i2c_child_t *pchild, int node)
         }
 
         /* Get optional properties. */
-        len = prom_getproperty(node, "warning-temp", (char *)&warning_temperature,
-                               sizeof(warning_temperature));
-        len = prom_getproperty(node, "shutdown-temp", (char *)&shutdown_temperature,
-                               sizeof(shutdown_temperature));
+        pval = of_get_property(dp, "warning-temp", NULL);
+        if (pval)
+                warning_temperature = *pval;
+
+        pval = of_get_property(dp, "shutdown-temp", NULL);
+        if (pval)
+                shutdown_temperature = *pval;
 }
 
 /* Function Description: Initialize child device monitoring fan status.
@@ -864,21 +865,18 @@ static void envctrl_init_voltage_status(struct i2c_child_t *pchild)
 static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child,
                                    struct i2c_child_t *pchild)
 {
-        int node, len, i, tbls_size = 0;
-
-        node = edev_child->prom_node;
+        int len, i, tbls_size = 0;
+        struct device_node *dp = edev_child->prom_node;
+        void *pval;
 
         /* Get device address. */
-        len = prom_getproperty(node, "reg",
-                               (char *) &(pchild->addr),
-                               sizeof(pchild->addr));
+        pval = of_get_property(dp, "reg", &len);
+        memcpy(&pchild->addr, pval, len);
 
         /* Get tables property.  Read firmware temperature tables. */
-        len = prom_getproperty(node, "translation",
-                               (char *) pchild->tblprop_array,
-                               (PCF8584_MAX_CHANNELS *
-                                sizeof(struct pcf8584_tblprop)));
-        if (len > 0) {
+        pval = of_get_property(dp, "translation", &len);
+        if (pval && len > 0) {
+                memcpy(pchild->tblprop_array, pval, len);
                 pchild->total_tbls = len / sizeof(struct pcf8584_tblprop);
                 for (i = 0; i < pchild->total_tbls; i++) {
                         if ((pchild->tblprop_array[i].size + pchild->tblprop_array[i].offset) > tbls_size) {
@@ -891,12 +889,12 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child,
                         printk("envctrl: Failed to allocate table.\n");
                         return;
                 }
-                len = prom_getproperty(node, "tables",
-                                       (char *) pchild->tables, tbls_size);
-                if (len <= 0) {
+                pval = of_get_property(dp, "tables", &len);
+                if (!pval || len <= 0) {
                         printk("envctrl: Failed to get table.\n");
                         return;
                 }
+                memcpy(pchild->tables, pval, len);
         }
 
         /* SPARCengine ASM Reference Manual (ref. SMI doc 805-7581-04)
@@ -907,12 +905,11 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child,
          * 'NULL' monitor type.
          */
         if (ENVCTRL_CPCI_IGNORED_NODE == pchild->addr) {
+                struct device_node *root_node;
                 int len;
-                char prop[56];
 
-                len = prom_getproperty(prom_root_node, "name", prop, sizeof(prop));
-                if (0 < len && (0 == strncmp(prop, "SUNW,UltraSPARC-IIi-cEngine", len)))
-                {
+                root_node = of_find_node_by_path("/");
+                if (!strcmp(root_node->name, "SUNW,UltraSPARC-IIi-cEngine")) {
                         for (len = 0; len < PCF8584_MAX_CHANNELS; ++len) {
                                 pchild->mon_type[len] = ENVCTRL_NOMON;
                         }
@@ -921,16 +918,14 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child,
         }
 
         /* Get the monitor channels. */
-        len = prom_getproperty(node, "channels-in-use",
-                               (char *) pchild->chnl_array,
-                               (PCF8584_MAX_CHANNELS *
-                                sizeof(struct pcf8584_channel)));
+        pval = of_get_property(dp, "channels-in-use", &len);
+        memcpy(pchild->chnl_array, pval, len);
         pchild->total_chnls = len / sizeof(struct pcf8584_channel);
 
         for (i = 0; i < pchild->total_chnls; i++) {
                 switch (pchild->chnl_array[i].type) {
                 case PCF8584_TEMP_TYPE:
-                        envctrl_init_adc(pchild, node);
+                        envctrl_init_adc(pchild, dp);
                         break;
 
                 case PCF8584_GLOBALADDR_TYPE:
@@ -945,7 +940,7 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child,
 
                 case PCF8584_VOLTAGE_TYPE:
                         if (pchild->i2ctype == I2C_ADC) {
-                                envctrl_init_adc(pchild,node);
+                                envctrl_init_adc(pchild,dp);
                         } else {
                                 envctrl_init_voltage_status(pchild);
                         }
@@ -1046,7 +1041,7 @@ static int __init envctrl_init(void)
 
         for_each_ebus(ebus) {
                 for_each_ebusdev(edev, ebus) {
-                        if (!strcmp(edev->prom_name, "bbc")) {
+                        if (!strcmp(edev->prom_node->name, "bbc")) {
                                 /* If we find a boot-bus controller node,
                                  * then this envctrl driver is not for us.
                                  */
@@ -1060,14 +1055,14 @@ static int __init envctrl_init(void)
          */
         for_each_ebus(ebus) {
                 for_each_ebusdev(edev, ebus) {
-                        if (!strcmp(edev->prom_name, "i2c")) {
+                        if (!strcmp(edev->prom_node->name, "i2c")) {
                                 i2c = ioremap(edev->resource[0].start, 0x2);
                                 for_each_edevchild(edev, edev_child) {
-                                        if (!strcmp("gpio", edev_child->prom_name)) {
+                                        if (!strcmp("gpio", edev_child->prom_node->name)) {
                                                 i2c_childlist[i].i2ctype = I2C_GPIO;
                                                 envctrl_init_i2c_child(edev_child, &(i2c_childlist[i++]));
                                         }
-                                        if (!strcmp("adc", edev_child->prom_name)) {
+                                        if (!strcmp("adc", edev_child->prom_node->name)) {
                                                 i2c_childlist[i].i2ctype = I2C_ADC;
                                                 envctrl_init_i2c_child(edev_child, &(i2c_childlist[i++]));
                                         }