Release 4.14 arch/powerpc/sysdev/rtc_cmos_setup.c
/*
* Setup code for PC-style Real-Time Clock.
*
* Author: Wade Farnsworth <wfarnsworth@mvista.com>
*
* 2007 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mc146818rtc.h>
#include <asm/prom.h>
static int __init add_rtc(void)
{
struct device_node *np;
struct platform_device *pd;
struct resource res[2];
unsigned int num_res = 1;
int ret;
memset(&res, 0, sizeof(res));
np = of_find_compatible_node(NULL, NULL, "pnpPNP,b00");
if (!np)
return -ENODEV;
ret = of_address_to_resource(np, 0, &res[0]);
of_node_put(np);
if (ret)
return ret;
/*
* RTC_PORT(x) is hardcoded in asm/mc146818rtc.h. Verify that the
* address provided by the device node matches.
*/
if (res[0].start != RTC_PORT(0))
return -EINVAL;
np = of_find_compatible_node(NULL, NULL, "chrp,iic");
if (!np)
np = of_find_compatible_node(NULL, NULL, "pnpPNP,000");
if (np) {
of_node_put(np);
/*
* Use a fixed interrupt value of 8 since on PPC if we are
* using this its off an i8259 which we ensure has interrupt
* numbers 0..15.
*/
res[1].start = 8;
res[1].end = 8;
res[1].flags = IORESOURCE_IRQ;
num_res++;
}
pd = platform_device_register_simple("rtc_cmos", -1,
&res[0], num_res);
return PTR_ERR_OR_ZERO(pd);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Wade Farnsworth | 105 | 50.72% | 1 | 25.00% |
Kumar Gala | 52 | 25.12% | 1 | 25.00% |
Anton Vorontsov | 49 | 23.67% | 1 | 25.00% |
Rusty Russell | 1 | 0.48% | 1 | 25.00% |
Total | 207 | 100.00% | 4 | 100.00% |
fs_initcall(add_rtc);
MODULE_LICENSE("GPL");
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Wade Farnsworth | 126 | 53.39% | 1 | 16.67% |
Kumar Gala | 52 | 22.03% | 1 | 16.67% |
Anton Vorontsov | 49 | 20.76% | 1 | 16.67% |
Adrian Bunk | 5 | 2.12% | 1 | 16.67% |
Paul Gortmaker | 3 | 1.27% | 1 | 16.67% |
Rusty Russell | 1 | 0.42% | 1 | 16.67% |
Total | 236 | 100.00% | 6 | 100.00% |
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