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m68k/mac: Kill psc_present
The presence of the Apple Peripheral System Controller (PSC) can be tested for by just checking its base address pointer. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
parent
1ec218373b
commit
70bc53b473
3 changed files with 6 additions and 8 deletions
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@ -209,7 +209,6 @@
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#ifndef __ASSEMBLY__
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#ifndef __ASSEMBLY__
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extern volatile __u8 *psc;
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extern volatile __u8 *psc;
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extern int psc_present;
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extern void psc_register_interrupts(void);
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extern void psc_register_interrupts(void);
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extern void psc_irq_enable(int);
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extern void psc_irq_enable(int);
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@ -174,7 +174,7 @@ void __init mac_init_IRQ(void)
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oss_register_interrupts();
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oss_register_interrupts();
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else
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else
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via_register_interrupts();
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via_register_interrupts();
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if (psc_present)
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if (psc)
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psc_register_interrupts();
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psc_register_interrupts();
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if (baboon_present)
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if (baboon_present)
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baboon_register_interrupts();
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baboon_register_interrupts();
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@ -212,7 +212,7 @@ void mac_irq_enable(struct irq_data *data)
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case 4:
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case 4:
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case 5:
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case 5:
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case 6:
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case 6:
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if (psc_present)
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if (psc)
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psc_irq_enable(irq);
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psc_irq_enable(irq);
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else if (oss_present)
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else if (oss_present)
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oss_irq_enable(irq);
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oss_irq_enable(irq);
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@ -242,7 +242,7 @@ void mac_irq_disable(struct irq_data *data)
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case 4:
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case 4:
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case 5:
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case 5:
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case 6:
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case 6:
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if (psc_present)
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if (psc)
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psc_irq_disable(irq);
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psc_irq_disable(irq);
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else if (oss_present)
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else if (oss_present)
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oss_irq_disable(irq);
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oss_irq_disable(irq);
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@ -27,7 +27,6 @@
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#define DEBUG_PSC
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#define DEBUG_PSC
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int psc_present;
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volatile __u8 *psc;
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volatile __u8 *psc;
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EXPORT_SYMBOL_GPL(psc);
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EXPORT_SYMBOL_GPL(psc);
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@ -39,7 +38,9 @@ static void psc_debug_dump(void)
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{
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{
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int i;
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int i;
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if (!psc_present) return;
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if (!psc)
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return;
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for (i = 0x30 ; i < 0x70 ; i += 0x10) {
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for (i = 0x30 ; i < 0x70 ; i += 0x10) {
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printk("PSC #%d: IFR = 0x%02X IER = 0x%02X\n",
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printk("PSC #%d: IFR = 0x%02X IER = 0x%02X\n",
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i >> 4,
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i >> 4,
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@ -81,7 +82,6 @@ void __init psc_init(void)
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&& macintosh_config->ident != MAC_MODEL_Q840)
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&& macintosh_config->ident != MAC_MODEL_Q840)
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{
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{
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psc = NULL;
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psc = NULL;
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psc_present = 0;
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return;
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return;
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}
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}
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@ -91,7 +91,6 @@ void __init psc_init(void)
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*/
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*/
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psc = (void *) PSC_BASE;
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psc = (void *) PSC_BASE;
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psc_present = 1;
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printk("PSC detected at %p\n", psc);
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printk("PSC detected at %p\n", psc);
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