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[POWERPC] Constify & voidify get_property()

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Now that get_property() returns a void *, there's no need to cast its
return value. Also, treat the return value as const, so we can
constify get_property later.

powerpc core changes.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Jeremy Kerr
2006-07-12 15:35:54 +10:00
committed by Paul Mackerras
parent 4288b92b96
commit a7f67bdf2c
24 changed files with 239 additions and 238 deletions
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35
arch/powerpc/kernel/legacy_serial.c
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@@ -39,16 +39,17 @@ static int __init add_legacy_port(struct device_node *np, int want_index,
phys_addr_t taddr, unsigned long irq,
upf_t flags, int irq_check_parent)
{
u32 *clk, *spd, clock = BASE_BAUD * 16;
const u32 *clk, *spd;
u32 clock = BASE_BAUD * 16;
int index;
/* get clock freq. if present */
clk = (u32 *)get_property(np, "clock-frequency", NULL);
clk = get_property(np, "clock-frequency", NULL);
if (clk && *clk)
clock = *clk;
/* get default speed if present */
spd = (u32 *)get_property(np, "current-speed", NULL);
spd = get_property(np, "current-speed", NULL);
/* If we have a location index, then try to use it */
if (want_index >= 0 && want_index < MAX_LEGACY_SERIAL_PORTS)
@@ -113,7 +114,7 @@ static int __init add_legacy_soc_port(struct device_node *np,
struct device_node *soc_dev)
{
u64 addr;
u32 *addrp;
const u32 *addrp;
upf_t flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ;
/* We only support ports that have a clock frequency properly
@@ -140,15 +141,15 @@ static int __init add_legacy_soc_port(struct device_node *np,
static int __init add_legacy_isa_port(struct device_node *np,
struct device_node *isa_brg)
{
u32 *reg;
char *typep;
const u32 *reg;
const char *typep;
int index = -1;
u64 taddr;
DBG(" -> add_legacy_isa_port(%s)\n", np->full_name);
/* Get the ISA port number */
reg = (u32 *)get_property(np, "reg", NULL);
reg = get_property(np, "reg", NULL);
if (reg == NULL)
return -1;
@@ -159,7 +160,7 @@ static int __init add_legacy_isa_port(struct device_node *np,
/* Now look for an "ibm,aix-loc" property that gives us ordering
* if any...
*/
typep = (char *)get_property(np, "ibm,aix-loc", NULL);
typep = get_property(np, "ibm,aix-loc", NULL);
/* If we have a location index, then use it */
if (typep && *typep == 'S')
@@ -184,7 +185,7 @@ static int __init add_legacy_pci_port(struct device_node *np,
struct device_node *pci_dev)
{
u64 addr, base;
u32 *addrp;
const u32 *addrp;
unsigned int flags;
int iotype, index = -1, lindex = 0;
@@ -223,7 +224,7 @@ static int __init add_legacy_pci_port(struct device_node *np,
* we get to their "reg" property
*/
if (np != pci_dev) {
u32 *reg = (u32 *)get_property(np, "reg", NULL);
const u32 *reg = get_property(np, "reg", NULL);
if (reg && (*reg < 4))
index = lindex = *reg;
}
@@ -281,13 +282,13 @@ static void __init setup_legacy_serial_console(int console)
void __init find_legacy_serial_ports(void)
{
struct device_node *np, *stdout = NULL;
char *path;
const char *path;
int index;
DBG(" -> find_legacy_serial_port()\n");
/* Now find out if one of these is out firmware console */
path = (char *)get_property(of_chosen, "linux,stdout-path", NULL);
path = get_property(of_chosen, "linux,stdout-path", NULL);
if (path != NULL) {
stdout = of_find_node_by_path(path);
if (stdout)
@@ -487,8 +488,8 @@ static int __init check_legacy_serial_console(void)
{
struct device_node *prom_stdout = NULL;
int speed = 0, offset = 0;
char *name;
u32 *spd;
const char *name;
const u32 *spd;
DBG(" -> check_legacy_serial_console()\n");
@@ -509,7 +510,7 @@ static int __init check_legacy_serial_console(void)
}
/* We are getting a weird phandle from OF ... */
/* ... So use the full path instead */
name = (char *)get_property(of_chosen, "linux,stdout-path", NULL);
name = get_property(of_chosen, "linux,stdout-path", NULL);
if (name == NULL) {
DBG(" no linux,stdout-path !\n");
return -ENODEV;
@@ -521,12 +522,12 @@ static int __init check_legacy_serial_console(void)
}
DBG("stdout is %s\n", prom_stdout->full_name);
name = (char *)get_property(prom_stdout, "name", NULL);
name = get_property(prom_stdout, "name", NULL);
if (!name) {
DBG(" stdout package has no name !\n");
goto not_found;
}
spd = (u32 *)get_property(prom_stdout, "current-speed", NULL);
spd = get_property(prom_stdout, "current-speed", NULL);
if (spd)
speed = *spd;