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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-14 17:48:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-14 17:48:14 -0700
commit2ca7d674d7ab2220707b2ada0b690c0e7c95e7ac (patch)
tree9c0927ed1d540e5fd704c1f82689870786514655 /drivers/serial/amba-pl011.c
parent2195d2818c37bdf263865f1e9effccdd9fc5f9d4 (diff)
parent87d721ad7a37b7650dd710c88dd5c6a5bf9fe996 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (257 commits) [ARM] Update mach-types ARM: 5636/1: Move vendor enum to AMBA include ARM: Fix pfn_valid() for sparse memory [ARM] orion5x: Add LaCie NAS 2Big Network support [ARM] pxa/sharpsl_pm: zaurus c3000 aka spitz: fix resume ARM: 5686/1: at91: Correct AC97 reset line in at91sam9263ek board ARM: 5640/1: This patch modifies the support of AC97 on the at91sam9263 ek board ARM: 5689/1: Update default config of HP Jornada 700-series machines ARM: 5691/1: fix cache aliasing issues between kmap() and kmap_atomic() with highmem ARM: 5688/1: ks8695_serial: disable_irq() lockup ARM: 5687/1: fix an oops with highmem ARM: 5684/1: Add nuc960 platform to w90x900 ARM: 5683/1: Add nuc950 platform to w90x900 ARM: 5682/1: Add cpu.c and dev.c and modify some files of w90p910 platform ARM: 5626/1: add suspend/resume functions to amba-pl011 serial driver ARM: 5625/1: fix hard coded 4K resource size in amba bus detection MMC: MMCI: convert realview MMC to use gpiolib ARM: 5685/1: Make MMCI driver compile without gpiolib ARM: implement highpte ARM: Show FIQ in /proc/interrupts on CONFIG_FIQ ... Fix up trivial conflict in arch/arm/kernel/signal.c. It was due to the TIF_NOTIFY_RESUME addition in commit d0420c83f ("KEYS: Extend TIF_NOTIFY_RESUME to (almost) all architectures") and follow-ups.
Diffstat (limited to 'drivers/serial/amba-pl011.c')
-rw-r--r--drivers/serial/amba-pl011.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index bf82e28770a..72ba0c6d355 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -826,6 +826,28 @@ static int pl011_remove(struct amba_device *dev)
return 0;
}
+#ifdef CONFIG_PM
+static int pl011_suspend(struct amba_device *dev, pm_message_t state)
+{
+ struct uart_amba_port *uap = amba_get_drvdata(dev);
+
+ if (!uap)
+ return -EINVAL;
+
+ return uart_suspend_port(&amba_reg, &uap->port);
+}
+
+static int pl011_resume(struct amba_device *dev)
+{
+ struct uart_amba_port *uap = amba_get_drvdata(dev);
+
+ if (!uap)
+ return -EINVAL;
+
+ return uart_resume_port(&amba_reg, &uap->port);
+}
+#endif
+
static struct amba_id pl011_ids[] __initdata = {
{
.id = 0x00041011,
@@ -847,6 +869,10 @@ static struct amba_driver pl011_driver = {
.id_table = pl011_ids,
.probe = pl011_probe,
.remove = pl011_remove,
+#ifdef CONFIG_PM
+ .suspend = pl011_suspend,
+ .resume = pl011_resume,
+#endif
};
static int __init pl011_init(void)