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yaml
---
r: 123314
b: refs/heads/master
c: 86821d1
h: refs/heads/master
v: v3
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David S. Miller committed Dec 4, 2008
1 parent 8222817 commit 4063458
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Showing 2 changed files with 27 additions and 45 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 6d1e428a4e02761250c6498fe63657444fdfc3d5
refs/heads/master: 86821d18f9d8fd42fa3180ad3703d491aecc52d9
70 changes: 26 additions & 44 deletions trunk/arch/sparc64/kernel/auxio.c
Original file line number Diff line number Diff line change
Expand Up @@ -27,73 +27,55 @@ enum auxio_type {
static enum auxio_type auxio_devtype = AUXIO_TYPE_NODEV;
static DEFINE_SPINLOCK(auxio_lock);

static void __auxio_sbus_set(u8 bits_on, u8 bits_off)
static void __auxio_rmw(u8 bits_on, u8 bits_off, int ebus)
{
if (auxio_register) {
unsigned char regval;
unsigned long flags;
unsigned char newval;
u8 regval, newval;

spin_lock_irqsave(&auxio_lock, flags);

regval = sbus_readb(auxio_register);
regval = (ebus ?
(u8) readl(auxio_register) :
sbus_readb(auxio_register));
newval = regval | bits_on;
newval &= ~bits_off;
newval &= ~AUXIO_AUX1_MASK;
sbus_writeb(newval, auxio_register);
if (!ebus)
newval &= ~AUXIO_AUX1_MASK;
if (ebus)
writel((u32) newval, auxio_register);
else
sbus_writeb(newval, auxio_register);

spin_unlock_irqrestore(&auxio_lock, flags);
}
}

static void __auxio_ebus_set(u8 bits_on, u8 bits_off)
static void __auxio_set_bit(u8 bit, int on, int ebus)
{
if (auxio_register) {
unsigned char regval;
unsigned long flags;
unsigned char newval;

spin_lock_irqsave(&auxio_lock, flags);

regval = (u8)readl(auxio_register);
newval = regval | bits_on;
newval &= ~bits_off;
writel((u32)newval, auxio_register);
u8 bits_on = (ebus ? AUXIO_PCIO_LED : AUXIO_AUX1_LED);
u8 bits_off = 0;

spin_unlock_irqrestore(&auxio_lock, flags);
if (!on) {
u8 tmp = bits_off;
bits_off = bits_on;
bits_on = tmp;
}
}

static inline void __auxio_ebus_set_led(int on)
{
(on) ? __auxio_ebus_set(AUXIO_PCIO_LED, 0) :
__auxio_ebus_set(0, AUXIO_PCIO_LED) ;
}

static inline void __auxio_sbus_set_led(int on)
{
(on) ? __auxio_sbus_set(AUXIO_AUX1_LED, 0) :
__auxio_sbus_set(0, AUXIO_AUX1_LED) ;
__auxio_rmw(bits_on, bits_off, ebus);
}

void auxio_set_led(int on)
{
switch(auxio_devtype) {
case AUXIO_TYPE_SBUS:
__auxio_sbus_set_led(on);
break;
case AUXIO_TYPE_EBUS:
__auxio_ebus_set_led(on);
break;
default:
break;
}
int ebus = auxio_devtype == AUXIO_TYPE_EBUS;
u8 bit;

bit = (ebus ? AUXIO_PCIO_LED : AUXIO_AUX1_LED);
__auxio_set_bit(bit, on, ebus);
}

static inline void __auxio_sbus_set_lte(int on)
static void __auxio_sbus_set_lte(int on)
{
(on) ? __auxio_sbus_set(AUXIO_AUX1_LTE, 0) :
__auxio_sbus_set(0, AUXIO_AUX1_LTE) ;
__auxio_set_bit(AUXIO_AUX1_LTE, on, 0);
}

void auxio_set_lte(int on)
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