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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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9018113649
Andrew Morton wrote:
People keep on doing
printk("%llu", some_u64);
testing it only on x86_64 and this generates a warning storm on
powerpc, sparc64, etc. Because they use `long', not `long long'.
Quite a few 64-bit architectures are using `long' for their
s64/u64 types. We should convert them all to `long long'.
Update types.h so we use unsigned long long for u64 and
fix all warnings in sparc64 code.
Tested with an allnoconfig, defconfig and allmodconfig builds.
This patch introduces additional warnings in several drivers.
These will be dealt with in separate patches.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
/* power.c: Power management driver.
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*
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* Copyright (C) 1999, 2007, 2008 David S. Miller (davem@davemloft.net)
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/reboot.h>
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#include <linux/of_device.h>
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#include <asm/prom.h>
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#include <asm/io.h>
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static void __iomem *power_reg;
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static irqreturn_t power_handler(int irq, void *dev_id)
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{
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orderly_poweroff(true);
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/* FIXME: Check registers for status... */
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return IRQ_HANDLED;
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}
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static int __init has_button_interrupt(unsigned int irq, struct device_node *dp)
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{
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if (irq == 0xffffffff)
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return 0;
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if (!of_find_property(dp, "button", NULL))
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return 0;
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return 1;
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}
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static int __devinit power_probe(struct of_device *op, const struct of_device_id *match)
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{
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struct resource *res = &op->resource[0];
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unsigned int irq= op->irqs[0];
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power_reg = of_ioremap(res, 0, 0x4, "power");
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printk(KERN_INFO "%s: Control reg at %llx\n",
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op->node->name, res->start);
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if (has_button_interrupt(irq, op->node)) {
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if (request_irq(irq,
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power_handler, 0, "power", NULL) < 0)
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printk(KERN_ERR "power: Cannot setup IRQ handler.\n");
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}
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return 0;
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}
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static struct of_device_id __initdata power_match[] = {
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{
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.name = "power",
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},
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{},
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};
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static struct of_platform_driver power_driver = {
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.match_table = power_match,
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.probe = power_probe,
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.driver = {
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.name = "power",
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},
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};
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static int __init power_init(void)
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{
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return of_register_driver(&power_driver, &of_platform_bus_type);
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}
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device_initcall(power_init);
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