nios2 update for v4.2

-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.5 (GNU/Linux)
 
 iQIVAwUAVZZAgFWoEK+e3syCAQIuPg//TvNf26hftsvVmUOuJk4t1KiqLdagFmR1
 3R5igFF5UgDZ+uf2PU3N7ILzkpFgVA+Hdm3CqgvEcM0YBrsovY9ljPSwWUMKGhZZ
 ZX/EVKtr1uygOP+WAhUvT32wbw9NJYvl5WsahtZuRQW6y7DNiVJCAcsaXXx4Ulq9
 0ePyhCVqkbYLp8cD51pxWwKxdQJunTz38PMvK0bzXW1CYV2/3QfRbKidSIosOb8V
 YxX9dSUOQW0r6AdT6kQ6VQ56ZyTzizVC+aybDirvKPli8UsCpOkBSq2re8g7X9X8
 Okz/Tw4cwdbo4x0WO0b5CeLLBZ3UOn2zpc2WTDK2u/OBueEcYLnK/jdfWlI5wqgj
 L4iHV/rHiITdtU+WkYDl5lmtHOq4/5VyGspy0EVSkUMzQlm+iMfHmK8K49Otn4Zj
 Rpc7UY5sfE834HjJYzrUeCq1+QtL5q5M5op54mQryhjdVcBhBF4SxGyJXu9XSZ56
 QI06OGnyV6fWk0OWxwqjEJfYiSckZ5HtzTWzR0v0TR/uY46Hc5Q14jzp3eWX7hu+
 VndhgT3xrxb/XdPpuDYwmRHycH4J1TEDusXcfL45ak/Z+vyvhYGeod6uqnHfY7Xg
 tOva+SpZCljcKxbsP3eIZNbzyc8ar3MO0VvFW8GW4cZ7njHuN0lREw+Pi9Gbc35a
 dGn1VSBvaIA=
 =+OJA
 -----END PGP SIGNATURE-----

Merge tag 'nios2-v4.2' of git://git.rocketboards.org/linux-socfpga-next

Pull nios2 update from Ley Foon Tan:
 "Check number of timer instances"

* tag 'nios2-v4.2' of git://git.rocketboards.org/linux-socfpga-next:
  nios2: check number of timer instances
This commit is contained in:
Linus Torvalds 2015-07-03 12:22:49 -07:00
commit 31351f73ea

View File

@ -19,7 +19,9 @@
#include <linux/io.h>
#include <linux/slab.h>
#define ALTERA_TIMER_STATUS_REG 0
#define ALTR_TIMER_COMPATIBLE "altr,timer-1.0"
#define ALTERA_TIMER_STATUS_REG 0
#define ALTERA_TIMER_CONTROL_REG 4
#define ALTERA_TIMER_PERIODL_REG 8
#define ALTERA_TIMER_PERIODH_REG 12
@ -304,7 +306,16 @@ void read_persistent_clock(struct timespec *ts)
void __init time_init(void)
{
struct device_node *np;
int count = 0;
for_each_compatible_node(np, NULL, ALTR_TIMER_COMPATIBLE)
count++;
if (count < 2)
panic("%d timer is found, it needs 2 timers in system\n", count);
clocksource_of_init();
}
CLOCKSOURCE_OF_DECLARE(nios2_timer, "altr,timer-1.0", nios2_time_init);
CLOCKSOURCE_OF_DECLARE(nios2_timer, ALTR_TIMER_COMPATIBLE, nios2_time_init);