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authorDavid Brown <davidb@codeaurora.org>2011-03-17 01:13:16 -0400
committerDavid Brown <davidb@codeaurora.org>2011-03-17 01:13:16 -0400
commit92c260f755c42337c550d8ac1f8ccd1b32bffb20 (patch)
tree6d04fefc1adeecabfb2b00c201e0db78fa2b5529 /drivers/rtc/rtc-at91sam9.c
parent8e76a80960bf06c245160a484d5a363ca6b520bb (diff)
parent05e34754518b6a90d5c392790c032575fab12d66 (diff)
Merge remote branch 'rmk/for-linus' into for-linus
* rmk/for-linus: (1557 commits) ARM: 6806/1: irq: introduce entry and exit functions for chained handlers ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas ARM: 6747/1: P2V: Thumb2 support ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9 ARM: 6772/1: errata: possible fault MMU translations following an ASID switch ARM: 6776/1: mach-ux500: activate fix for errata 753970 ARM: 6794/1: SPEAr: Append UL to device address macros. ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files. ARM: 6681/1: SPEAr: add debugfs support to clk API ARM: 6703/1: SPEAr: update clk API support ARM: 6679/1: SPEAr: make clk API functions more generic ARM: 6737/1: SPEAr: formalized timer support ... Conflicts: arch/arm/mach-msm/board-msm7x27.c arch/arm/mach-msm/board-msm7x30.c arch/arm/mach-msm/board-qsd8x50.c arch/arm/mach-msm/board-sapphire.c arch/arm/mach-msm/include/mach/memory.h
Diffstat (limited to 'drivers/rtc/rtc-at91sam9.c')
-rw-r--r--drivers/rtc/rtc-at91sam9.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index f677e0710ca1..5469c52cba3d 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -229,12 +229,6 @@ static int at91_rtc_ioctl(struct device *dev, unsigned int cmd,
229 dev_dbg(dev, "ioctl: cmd=%08x, arg=%08lx, mr %08x\n", cmd, arg, mr); 229 dev_dbg(dev, "ioctl: cmd=%08x, arg=%08lx, mr %08x\n", cmd, arg, mr);
230 230
231 switch (cmd) { 231 switch (cmd) {
232 case RTC_AIE_OFF: /* alarm off */
233 rtt_writel(rtc, MR, mr & ~AT91_RTT_ALMIEN);
234 break;
235 case RTC_AIE_ON: /* alarm on */
236 rtt_writel(rtc, MR, mr | AT91_RTT_ALMIEN);
237 break;
238 case RTC_UIE_OFF: /* update off */ 232 case RTC_UIE_OFF: /* update off */
239 rtt_writel(rtc, MR, mr & ~AT91_RTT_RTTINCIEN); 233 rtt_writel(rtc, MR, mr & ~AT91_RTT_RTTINCIEN);
240 break; 234 break;
@@ -249,6 +243,19 @@ static int at91_rtc_ioctl(struct device *dev, unsigned int cmd,
249 return ret; 243 return ret;
250} 244}
251 245
246static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
247{
248 struct sam9_rtc *rtc = dev_get_drvdata(dev);
249 u32 mr = rtt_readl(rtc, MR);
250
251 dev_dbg(dev, "alarm_irq_enable: enabled=%08x, mr %08x\n", enabled, mr);
252 if (enabled)
253 rtt_writel(rtc, MR, mr | AT91_RTT_ALMIEN);
254 else
255 rtt_writel(rtc, MR, mr & ~AT91_RTT_ALMIEN);
256 return 0;
257}
258
252/* 259/*
253 * Provide additional RTC information in /proc/driver/rtc 260 * Provide additional RTC information in /proc/driver/rtc
254 */ 261 */
@@ -302,6 +309,7 @@ static const struct rtc_class_ops at91_rtc_ops = {
302 .read_alarm = at91_rtc_readalarm, 309 .read_alarm = at91_rtc_readalarm,
303 .set_alarm = at91_rtc_setalarm, 310 .set_alarm = at91_rtc_setalarm,
304 .proc = at91_rtc_proc, 311 .proc = at91_rtc_proc,
312 .alarm_irq_enable = at91_rtc_alarm_irq_enable,
305}; 313};
306 314
307/* 315/*