Swsusp updates, do not thrash ide disk on suspend

104 lines not on this page · raw message

@@ -52,6 +52,7 @@
 static int __init pnpide_generic_init(struct pci_dev *dev, int enable)
 {
 	hw_regs_t hw;
+	ide_hwif_t *hwif;
 	int index;
 
 	if (!enable)

@@ -67,10 +68,11 @@
 //			generic_pnp_ide_iops,
 			DEV_IRQ(dev, 0));
 
-	index = ide_register_hw(&hw, NULL);
+	index = ide_register_hw(&hw, &hwif);
 
 	if (index != -1) {
 	    	printk(KERN_INFO "ide%d: %s IDE interface\n", index, DEV_NAME(dev));
+		hwif->pci_dev = dev;
 		return 0;
 	}
 

@@ -46,6 +46,7 @@
 #include <linux/delay.h>
 #include <linux/ide.h>
 #include <linux/spinlock.h>
+#include <linux/pci.h>
 
 #include <asm/byteorder.h>
 #include <asm/irq.h>

@@ -566,6 +567,11 @@
 	/* register with global device tree */
 	strncpy(hwif->gendev.bus_id,hwif->name,BUS_ID_SIZE);
 	snprintf(hwif->gendev.name,DEVICE_NAME_SIZE,"IDE Controller");
+	hwif->gendev.driver_data = hwif;
+	if (hwif->pci_dev)
+		hwif->gendev.parent = &hwif->pci_dev->dev;
+	else
+		hwif->gendev.parent = NULL; /* Would like to do = &device_legacy */
 	device_register(&hwif->gendev);
 
 	if (hwif->mmio == 2)

@@ -17,6 +17,7 @@
 #include <linux/interrupt.h>
 #include <linux/bitops.h>
 #include <linux/bio.h>
+#include <linux/device.h>
 #include <linux/pci.h>
 #include <asm/byteorder.h>
 #include <asm/system.h>

@@ -789,6 +790,7 @@
 	unsigned autotune	: 2;	/* 1=autotune, 2=noautotune, 0=default */
 	unsigned remap_0_to_1	: 2;	/* 0=remap if ezdrive, 1=remap, 2=noremap */
 	unsigned ata_flash	: 1;	/* 1=present, 0=default */
+	unsigned blocked        : 1;	/* 1=powermanagment told us not to do anything, so sleep nicely */
 	unsigned addressing;		/*      : 3;
 					 *  0=28-bit
 					 *  1=48-bit

@@ -470,19 +470,22 @@
 	int nr_copy_pages = 0;
 	int pfn;
 	struct page *page;
-
-#ifndef CONFIG_DISCONTIGMEM	
-	if (max_mapnr != num_physpages)
-		panic("mapnr is not expected");
+	
+#ifdef CONFIG_DISCONTIGMEM
+	panic("Discontingmem not supported");
+#else
+	BUG_ON (max_mapnr != num_physpages);
 #endif
-	for (pfn = 0; pfn < num_physpages; pfn++) {
+	for (pfn = 0; pfn < max_mapnr; pfn++) {
 		page = pfn_to_page(pfn);
 		if (PageHighMem(page))
 			panic("Swsusp not supported on highmem boxes. Send 1GB of RAM to <[email protected]> and try again ;-).");
+
 		if (!PageReserved(page)) {
 			if (PageNosave(page))
 				continue;
 
+
 			if ((chunk_size=is_head_of_free_region(page))!=0) {
 				pfn += chunk_size - 1;
 				continue;

@@ -776,9 +789,10 @@
 	BUG_ON (nr_copy_pages_check != nr_copy_pages);
 	BUG_ON (pagedir_order_check != pagedir_order);
 
+	__flush_tlb_global();		/* Even mappings of "global" things (vmalloc) need to be fixed */
+
 	PRINTK( "Freeing prev allocated pagedir\n" );
 	free_suspend_pagedir((unsigned long) pagedir_save);
-	__flush_tlb_global();		/* Even mappings of "global" things (vmalloc) need to be fixed */
 	drivers_resume(RESUME_ALL_PHASES);
 	spin_unlock_irq(&suspend_pagedir_lock);
 

@@ -809,12 +823,10 @@
 
 	barrier();
 	mb();
-	drivers_resume(RESUME_PHASE2);
 	spin_lock_irq(&suspend_pagedir_lock);	/* Done to disable interrupts */ 
 	mdelay(1000);
 
 	free_pages((unsigned long) pagedir_nosave, pagedir_order);
-	drivers_resume(RESUME_PHASE1);
 	spin_unlock_irq(&suspend_pagedir_lock);
 	mark_swapfiles(((swp_entry_t) {0}), MARK_SWAP_RESUME);
 	PRINTK(KERN_WARNING "%sLeaving do_magic_suspend_2...\n", name_suspend);	

@@ -1037,6 +1049,7 @@
 	return 0;
 #endif
 	printk(KERN_CRIT "%sWarning %s: Fixing swap signatures unimplemented...\n", name_resume, resume_file);
+	return 0;
 }
 
 extern kdev_t __init name_to_kdev_t(const char *line);