提交 d2aca8f9 编写于 作者: S Sam Ravnborg 提交者: David S. Miller

sparc32: fix sparse warning in auxio_32.c

Fix following warning:
auxio_32.c:133:33: warning: cast removes address space of expression

To fix this auxio_power_register had to be defined as u8 _iomem.
Use proper sbus operations on the pointer.
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 7738925d
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......@@ -78,7 +78,7 @@ do { \
/* AUXIO2 (Power Off Control) */
extern __volatile__ unsigned char * auxio_power_register;
extern volatile u8 __iomem *auxio_power_register;
#define AUXIO_POWER_DETECT_FAILURE 32
#define AUXIO_POWER_CLEAR_FAILURE 2
......
......@@ -106,7 +106,7 @@ EXPORT_SYMBOL(set_auxio);
/* sun4m power control register (AUXIO2) */
volatile unsigned char * auxio_power_register = NULL;
volatile u8 __iomem *auxio_power_register = NULL;
void __init auxio_power_probe(void)
{
......@@ -130,8 +130,8 @@ void __init auxio_power_probe(void)
r.flags = regs.which_io & 0xF;
r.start = regs.phys_addr;
r.end = regs.phys_addr + regs.reg_size - 1;
auxio_power_register = (unsigned char *) of_ioremap(&r, 0,
regs.reg_size, "auxpower");
auxio_power_register =
(u8 __iomem *)of_ioremap(&r, 0, regs.reg_size, "auxpower");
/* Display a quick message on the console. */
if (auxio_power_register)
......
......@@ -106,8 +106,12 @@ void machine_restart(char * cmd)
void machine_power_off(void)
{
if (auxio_power_register &&
(strcmp(of_console_device->type, "serial") || scons_pwroff))
*auxio_power_register |= AUXIO_POWER_OFF;
(strcmp(of_console_device->type, "serial") || scons_pwroff)) {
u8 power_register = sbus_readb(auxio_power_register);
power_register |= AUXIO_POWER_OFF;
sbus_writeb(power_register, auxio_power_register);
}
machine_halt();
}
......
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