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arm:replace ifdef's by runtime checks in the omap rtc driver.

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Change-Id: I038f0fcf88061ae60d6d029d86c84153bf0f0020
This commit is contained in:
Kees Jongenburger 2014-02-10 12:20:28 +01:00
parent 5ec8c93e95
commit 9dec6c12f1
1 changed files with 13 additions and 9 deletions
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22
drivers/readclock/arch/earm/omap_rtc.c
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@ -4,6 +4,7 @@
#include <minix/mmio.h>
#include <minix/clkconf.h>
#include <minix/sysutil.h>
#include <minix/board.h>
#include <sys/mman.h>
#include <sys/types.h>
@ -197,15 +198,18 @@ omap_rtc_init(void)
int rtc_rev, major, minor;
struct minix_mem_range mr;
#ifndef AM335X
/* Only the am335x (BeagleBone & BeagleBone Black) is supported ATM.
* The dm37xx (BeagleBoard-xM) doesn't have a real time clock
* built-in. Instead, it uses the RTC on the PMIC. A driver for
* the BeagleBoard-xM's PMIC still needs to be developed.
*/
log_warn(&log, "unsupported processor\n");
return ENOSYS;
#endif /* !AM335X */
struct machine machine ;
sys_getmachine(&machine);
if(! BOARD_IS_BB(machine.board_id)){
/* Only the am335x (BeagleBone & BeagleBone Black) is supported ATM.
* The dm37xx (BeagleBoard-xM) doesn't have a real time clock
* built-in. Instead, it uses the RTC on the PMIC. A driver for
* the BeagleBoard-xM's PMIC still needs to be developed.
*/
log_warn(&log, "unsupported processor\n");
return ENOSYS;
}
if (pwr_off_in_progress)
return EINVAL;