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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 16:37:29 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 16:37:29 -0400
commit6c118e43dc513a7118b49b9ff953fe61e14515dc (patch)
treeef654ba1982c17a516697d25b3d0405acb6aeac1 /drivers
parent847106ff628805e1a0aa91e7f53381f3fdfcd839 (diff)
parent72f6befeea7dc634a83219287d5b874734b85637 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6: (31 commits) avr32: Fix typo of IFSR in a comment in the PIO header file avr32: Power Management support ("standby" and "mem" modes) avr32: Add system device for the internal interrupt controller (intc) avr32: Add simple SRAM allocator avr32: Enable SDRAMC clock at startup rtc-at32ap700x: Enable wakeup macb: Basic suspend/resume support atmel_serial: Drain console TX shifter before suspending atmel_serial: Fix build on avr32 with CONFIG_PM enabled avr32: Use a quicklist for PTE allocation as well avr32: Use a quicklist for PGD allocation avr32: Cover the kernel page tables in the user PGDs avr32: Store virtual addresses in the PGD avr32: Remove useless zeroing of swapper_pg_dir at startup avr32: Clean up and optimize the TLB operations avr32: Rename at32ap.c -> pdc.c avr32: Move setup_platform() into chip-specific file avr32: Kill special exception handler sections avr32: Kill unneeded #include <asm/pgalloc.h> from asm/mmu_context.h avr32: Clean up time.c #includes ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/misc/atmel_pwm.c2
-rw-r--r--drivers/net/macb.c37
-rw-r--r--drivers/rtc/rtc-at32ap700x.c3
-rw-r--r--drivers/serial/atmel_serial.c17
4 files changed, 57 insertions, 2 deletions
diff --git a/drivers/misc/atmel_pwm.c b/drivers/misc/atmel_pwm.c
index 0d5ce03cdff2..5b5a14dab3d3 100644
--- a/drivers/misc/atmel_pwm.c
+++ b/drivers/misc/atmel_pwm.c
@@ -332,7 +332,7 @@ static int __init pwm_probe(struct platform_device *pdev)
332 p->base = ioremap(r->start, r->end - r->start + 1); 332 p->base = ioremap(r->start, r->end - r->start + 1);
333 if (!p->base) 333 if (!p->base)
334 goto fail; 334 goto fail;
335 p->clk = clk_get(&pdev->dev, "mck"); 335 p->clk = clk_get(&pdev->dev, "pwm_clk");
336 if (IS_ERR(p->clk)) { 336 if (IS_ERR(p->clk)) {
337 status = PTR_ERR(p->clk); 337 status = PTR_ERR(p->clk);
338 p->clk = NULL; 338 p->clk = NULL;
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 92dccd43bdca..0a5745a854c7 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -1277,8 +1277,45 @@ static int __exit macb_remove(struct platform_device *pdev)
1277 return 0; 1277 return 0;
1278} 1278}
1279 1279
1280#ifdef CONFIG_PM
1281static int macb_suspend(struct platform_device *pdev, pm_message_t state)
1282{
1283 struct net_device *netdev = platform_get_drvdata(pdev);
1284 struct macb *bp = netdev_priv(netdev);
1285
1286 netif_device_detach(netdev);
1287
1288#ifndef CONFIG_ARCH_AT91
1289 clk_disable(bp->hclk);
1290#endif
1291 clk_disable(bp->pclk);
1292
1293 return 0;
1294}
1295
1296static int macb_resume(struct platform_device *pdev)
1297{
1298 struct net_device *netdev = platform_get_drvdata(pdev);
1299 struct macb *bp = netdev_priv(netdev);
1300
1301 clk_enable(bp->pclk);
1302#ifndef CONFIG_ARCH_AT91
1303 clk_enable(bp->hclk);
1304#endif
1305
1306 netif_device_attach(netdev);
1307
1308 return 0;
1309}
1310#else
1311#define macb_suspend NULL
1312#define macb_resume NULL
1313#endif
1314
1280static struct platform_driver macb_driver = { 1315static struct platform_driver macb_driver = {
1281 .remove = __exit_p(macb_remove), 1316 .remove = __exit_p(macb_remove),
1317 .suspend = macb_suspend,
1318 .resume = macb_resume,
1282 .driver = { 1319 .driver = {
1283 .name = "macb", 1320 .name = "macb",
1284 .owner = THIS_MODULE, 1321 .owner = THIS_MODULE,
diff --git a/drivers/rtc/rtc-at32ap700x.c b/drivers/rtc/rtc-at32ap700x.c
index 2ef8cdfda4a7..90b9a6503e15 100644
--- a/drivers/rtc/rtc-at32ap700x.c
+++ b/drivers/rtc/rtc-at32ap700x.c
@@ -265,6 +265,7 @@ static int __init at32_rtc_probe(struct platform_device *pdev)
265 } 265 }
266 266
267 platform_set_drvdata(pdev, rtc); 267 platform_set_drvdata(pdev, rtc);
268 device_init_wakeup(&pdev->dev, 1);
268 269
269 dev_info(&pdev->dev, "Atmel RTC for AT32AP700x at %08lx irq %ld\n", 270 dev_info(&pdev->dev, "Atmel RTC for AT32AP700x at %08lx irq %ld\n",
270 (unsigned long)rtc->regs, rtc->irq); 271 (unsigned long)rtc->regs, rtc->irq);
@@ -284,6 +285,8 @@ static int __exit at32_rtc_remove(struct platform_device *pdev)
284{ 285{
285 struct rtc_at32ap700x *rtc = platform_get_drvdata(pdev); 286 struct rtc_at32ap700x *rtc = platform_get_drvdata(pdev);
286 287
288 device_init_wakeup(&pdev->dev, 0);
289
287 free_irq(rtc->irq, rtc); 290 free_irq(rtc->irq, rtc);
288 iounmap(rtc->regs); 291 iounmap(rtc->regs);
289 rtc_device_unregister(rtc->rtc); 292 rtc_device_unregister(rtc->rtc);
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 42be8b01a40f..6aeef22bd203 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -1439,14 +1439,29 @@ static struct uart_driver atmel_uart = {
1439}; 1439};
1440 1440
1441#ifdef CONFIG_PM 1441#ifdef CONFIG_PM
1442static bool atmel_serial_clk_will_stop(void)
1443{
1444#ifdef CONFIG_ARCH_AT91
1445 return at91_suspend_entering_slow_clock();
1446#else
1447 return false;
1448#endif
1449}
1450
1442static int atmel_serial_suspend(struct platform_device *pdev, 1451static int atmel_serial_suspend(struct platform_device *pdev,
1443 pm_message_t state) 1452 pm_message_t state)
1444{ 1453{
1445 struct uart_port *port = platform_get_drvdata(pdev); 1454 struct uart_port *port = platform_get_drvdata(pdev);
1446 struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); 1455 struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
1447 1456
1457 if (atmel_is_console_port(port) && console_suspend_enabled) {
1458 /* Drain the TX shifter */
1459 while (!(UART_GET_CSR(port) & ATMEL_US_TXEMPTY))
1460 cpu_relax();
1461 }
1462
1448 if (device_may_wakeup(&pdev->dev) 1463 if (device_may_wakeup(&pdev->dev)
1449 && !at91_suspend_entering_slow_clock()) 1464 && !atmel_serial_clk_will_stop())
1450 enable_irq_wake(port->irq); 1465 enable_irq_wake(port->irq);
1451 else { 1466 else {
1452 uart_suspend_port(&atmel_uart, port); 1467 uart_suspend_port(&atmel_uart, port);