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Commit 9d572ecb authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Handle ISA devices with no 'regs' property.
  [SPARC64]: Update defconfig.
  [SPARC64]: Fix of_iounmap() region release.
  [SPARC64]: Fix "mem=xxx" handling.
parents b836267a f4060c0d

arch/sparc/kernel/ioport.c

+1 −1
Original line number Diff line number Diff line
@@ -153,7 +153,7 @@ void __iomem *of_ioremap(struct resource *res, unsigned long offset, 
}

EXPORT_SYMBOL(of_ioremap);



void of_iounmap(void __iomem *base, unsigned long size)

void of_iounmap(struct resource *res, void __iomem *base, unsigned long size)

{

	iounmap(base);

}

arch/sparc64/defconfig

+26 −8
Original line number Diff line number Diff line 
#

# Automatically generated make config: don't edit

# Linux kernel version: 2.6.19

# Sat Dec  9 15:41:30 2006

# Linux kernel version: 2.6.20-rc2

# Thu Dec 28 15:09:49 2006

#

CONFIG_SPARC=y

CONFIG_SPARC64=y
@@ -334,7 +334,7 @@ CONFIG_BLK_DEV_LOOP=m 
CONFIG_BLK_DEV_CRYPTOLOOP=m

CONFIG_BLK_DEV_NBD=m

# CONFIG_BLK_DEV_SX8 is not set

CONFIG_BLK_DEV_UB=m

# CONFIG_BLK_DEV_UB is not set

# CONFIG_BLK_DEV_RAM is not set

# CONFIG_BLK_DEV_INITRD is not set

CONFIG_CDROM_PKTCDVD=m
@@ -840,6 +840,7 @@ CONFIG_HWMON=y 
# CONFIG_SENSORS_LM92 is not set

# CONFIG_SENSORS_MAX1619 is not set

# CONFIG_SENSORS_PC87360 is not set

# CONFIG_SENSORS_PC87427 is not set

# CONFIG_SENSORS_SIS5595 is not set

# CONFIG_SENSORS_SMSC47M1 is not set

# CONFIG_SENSORS_SMSC47M192 is not set
@@ -850,6 +851,7 @@ CONFIG_HWMON=y 
# CONFIG_SENSORS_W83781D is not set

# CONFIG_SENSORS_W83791D is not set

# CONFIG_SENSORS_W83792D is not set

# CONFIG_SENSORS_W83793 is not set

# CONFIG_SENSORS_W83L785TS is not set

# CONFIG_SENSORS_W83627HF is not set

# CONFIG_SENSORS_W83627EHF is not set
@@ -962,7 +964,6 @@ CONFIG_SND_VERBOSE_PROCFS=y 
#

CONFIG_SND_MPU401_UART=m

CONFIG_SND_AC97_CODEC=m

CONFIG_SND_AC97_BUS=m

CONFIG_SND_DUMMY=m

CONFIG_SND_VIRMIDI=m

CONFIG_SND_MTPAV=m
@@ -1045,6 +1046,7 @@ CONFIG_SND_SUN_CS4231=m 
# Open Sound System

#

# CONFIG_SOUND_PRIME is not set

CONFIG_AC97_BUS=m



#

# HID Devices
@@ -1096,7 +1098,19 @@ CONFIG_USB_UHCI_HCD=m 
#

# may also be needed; see USB_STORAGE Help for more information

#

# CONFIG_USB_STORAGE is not set

CONFIG_USB_STORAGE=m

# CONFIG_USB_STORAGE_DEBUG is not set

# CONFIG_USB_STORAGE_DATAFAB is not set

# CONFIG_USB_STORAGE_FREECOM is not set

# CONFIG_USB_STORAGE_ISD200 is not set

# CONFIG_USB_STORAGE_DPCM is not set

# CONFIG_USB_STORAGE_USBAT is not set

# CONFIG_USB_STORAGE_SDDR09 is not set

# CONFIG_USB_STORAGE_SDDR55 is not set

# CONFIG_USB_STORAGE_JUMPSHOT is not set

# CONFIG_USB_STORAGE_ALAUDA is not set

# CONFIG_USB_STORAGE_ONETOUCH is not set

# CONFIG_USB_STORAGE_KARMA is not set

# CONFIG_USB_LIBUSUAL is not set



#
@@ -1221,6 +1235,10 @@ CONFIG_USB_HIDDEV=y 
# DMA Devices

#



#

# Virtualization

#



#

# Misc Linux/SPARC drivers

#
@@ -1397,6 +1415,8 @@ CONFIG_PRINTK_TIME=y 
CONFIG_ENABLE_MUST_CHECK=y

CONFIG_MAGIC_SYSRQ=y

# CONFIG_UNUSED_SYMBOLS is not set

CONFIG_DEBUG_FS=y

# CONFIG_HEADERS_CHECK is not set

CONFIG_DEBUG_KERNEL=y

CONFIG_LOG_BUF_SHIFT=18

CONFIG_DETECT_SOFTLOCKUP=y
@@ -1414,12 +1434,9 @@ CONFIG_SCHEDSTATS=y 
# CONFIG_DEBUG_KOBJECT is not set

CONFIG_DEBUG_BUGVERBOSE=y

# CONFIG_DEBUG_INFO is not set

CONFIG_DEBUG_FS=y

# CONFIG_DEBUG_VM is not set

# CONFIG_DEBUG_LIST is not set

# CONFIG_UNWIND_INFO is not set

CONFIG_FORCED_INLINING=y

# CONFIG_HEADERS_CHECK is not set

# CONFIG_RCU_TORTURE_TEST is not set

# CONFIG_LKDTM is not set

# CONFIG_DEBUG_STACK_USAGE is not set
@@ -1489,3 +1506,4 @@ CONFIG_LIBCRC32C=m 
CONFIG_ZLIB_INFLATE=y

CONFIG_ZLIB_DEFLATE=y

CONFIG_PLIST=y

CONFIG_IOMAP_COPY=y

arch/sparc64/kernel/isa.c

+8 −12
Original line number Diff line number Diff line
@@ -22,14 +22,15 @@ static void __init report_dev(struct sparc_isa_device *isa_dev, int child) 
		printk(" [%s", isa_dev->prom_node->name);

}



static struct linux_prom_registers * __init

isa_dev_get_resource(struct sparc_isa_device *isa_dev)

static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev)

{

	struct linux_prom_registers *pregs;

	unsigned long base, len;

	int prop_len;



	pregs = of_get_property(isa_dev->prom_node, "reg", &prop_len);

	if (!pregs)

		return;



	/* Only the first one is interesting. */

	len = pregs[0].reg_size;
@@ -44,12 +45,9 @@ isa_dev_get_resource(struct sparc_isa_device *isa_dev) 


	request_resource(&isa_dev->bus->parent->io_space,

			 &isa_dev->resource);



	return pregs;

}



static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev,

				   struct linux_prom_registers *pregs)

static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev)

{

	struct of_device *op = of_find_device_by_node(isa_dev->prom_node);
@@ -69,7 +67,6 @@ static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev) 


	printk(" ->");

	while (dp) {

		struct linux_prom_registers *regs;

		struct sparc_isa_device *isa_dev;



		isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
@@ -85,8 +82,8 @@ static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev) 
		isa_dev->bus = parent_isa_dev->bus;

		isa_dev->prom_node = dp;



		regs = isa_dev_get_resource(isa_dev);

		isa_dev_get_irq(isa_dev, regs);

		isa_dev_get_resource(isa_dev);

		isa_dev_get_irq(isa_dev);



		report_dev(isa_dev, 1);
@@ -99,7 +96,6 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br) 
	struct device_node *dp = isa_br->prom_node->child;



	while (dp) {

		struct linux_prom_registers *regs;

		struct sparc_isa_device *isa_dev;



		isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
@@ -137,8 +133,8 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br) 
		isa_dev->bus = isa_br;

		isa_dev->prom_node = dp;



		regs = isa_dev_get_resource(isa_dev);

		isa_dev_get_irq(isa_dev, regs);

		isa_dev_get_resource(isa_dev);

		isa_dev_get_irq(isa_dev);



		report_dev(isa_dev, 0);

arch/sparc64/kernel/of_device.c

+5 −2
Original line number Diff line number Diff line
@@ -144,8 +144,11 @@ void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned lo 
}

EXPORT_SYMBOL(of_ioremap);



void of_iounmap(void __iomem *base, unsigned long size)

void of_iounmap(struct resource *res, void __iomem *base, unsigned long size)

{

	if (res->flags & IORESOURCE_MEM)

		release_mem_region((unsigned long) base, size);

	else

		release_region((unsigned long) base, size);

}

EXPORT_SYMBOL(of_iounmap);

arch/sparc64/mm/init.c

+124 −23
Original line number Diff line number Diff line
@@ -872,6 +872,115 @@ static unsigned long __init choose_bootmap_pfn(unsigned long start_pfn, 
	prom_halt();

}



static void __init trim_pavail(unsigned long *cur_size_p,

			       unsigned long *end_of_phys_p)

{

	unsigned long to_trim = *cur_size_p - cmdline_memory_size;

	unsigned long avoid_start, avoid_end;

	int i;



	to_trim = PAGE_ALIGN(to_trim);



	avoid_start = avoid_end = 0;

#ifdef CONFIG_BLK_DEV_INITRD

	avoid_start = initrd_start;

	avoid_end = PAGE_ALIGN(initrd_end);

#endif



	/* Trim some pavail[] entries in order to satisfy the

	 * requested "mem=xxx" kernel command line specification.

	 *

	 * We must not trim off the kernel image area nor the

	 * initial ramdisk range (if any).  Also, we must not trim

	 * any pavail[] entry down to zero in order to preserve

	 * the invariant that all pavail[] entries have a non-zero

	 * size which is assumed by all of the code in here.

	 */

	for (i = 0; i < pavail_ents; i++) {

		unsigned long start, end, kern_end;

		unsigned long trim_low, trim_high, n;



		kern_end = PAGE_ALIGN(kern_base + kern_size);



		trim_low = start = pavail[i].phys_addr;

		trim_high = end = start + pavail[i].reg_size;



		if (kern_base >= start &&

		    kern_base < end) {

			trim_low = kern_base;

			if (kern_end >= end)

				continue;

		}

		if (kern_end >= start &&

		    kern_end < end) {

			trim_high = kern_end;

		}

		if (avoid_start &&

		    avoid_start >= start &&

		    avoid_start < end) {

			if (trim_low > avoid_start)

				trim_low = avoid_start;

			if (avoid_end >= end)

				continue;

		}

		if (avoid_end &&

		    avoid_end >= start &&

		    avoid_end < end) {

			if (trim_high < avoid_end)

				trim_high = avoid_end;

		}



		if (trim_high <= trim_low)

			continue;



		if (trim_low == start && trim_high == end) {

			/* Whole chunk is available for trimming.

			 * Trim all except one page, in order to keep

			 * entry non-empty.

			 */

			n = (end - start) - PAGE_SIZE;

			if (n > to_trim)

				n = to_trim;



			if (n) {

				pavail[i].phys_addr += n;

				pavail[i].reg_size -= n;

				to_trim -= n;

			}

		} else {

			n = (trim_low - start);

			if (n > to_trim)

				n = to_trim;



			if (n) {

				pavail[i].phys_addr += n;

				pavail[i].reg_size -= n;

				to_trim -= n;

			}

			if (to_trim) {

				n = end - trim_high;

				if (n > to_trim)

					n = to_trim;

				if (n) {

					pavail[i].reg_size -= n;

					to_trim -= n;

				}

			}

		}



		if (!to_trim)

			break;

	}



	/* Recalculate.  */

	*cur_size_p = 0UL;

	for (i = 0; i < pavail_ents; i++) {

		*end_of_phys_p = pavail[i].phys_addr +

			pavail[i].reg_size;

		*cur_size_p += pavail[i].reg_size;

	}

}



static unsigned long __init bootmem_init(unsigned long *pages_avail,

					 unsigned long phys_base)

{
@@ -889,31 +998,13 @@ static unsigned long __init bootmem_init(unsigned long *pages_avail, 
		end_of_phys_memory = pavail[i].phys_addr +

			pavail[i].reg_size;

		bytes_avail += pavail[i].reg_size;

		if (cmdline_memory_size) {

			if (bytes_avail > cmdline_memory_size) {

				unsigned long slack = bytes_avail - cmdline_memory_size;



				bytes_avail -= slack;

				end_of_phys_memory -= slack;



				pavail[i].reg_size -= slack;

				if ((long)pavail[i].reg_size <= 0L) {

					pavail[i].phys_addr = 0xdeadbeefUL;

					pavail[i].reg_size = 0UL;

					pavail_ents = i;

				} else {

					pavail[i+1].reg_size = 0Ul;

					pavail[i+1].phys_addr = 0xdeadbeefUL;

					pavail_ents = i + 1;

				}

				break;

			}

		}

	}



	*pages_avail = bytes_avail >> PAGE_SHIFT;



	end_pfn = end_of_phys_memory >> PAGE_SHIFT;

	/* Determine the location of the initial ramdisk before trying

	 * to honor the "mem=xxx" command line argument.  We must know

	 * where the kernel image and the ramdisk image are so that we

	 * do not trim those two areas from the physical memory map.

	 */



#ifdef CONFIG_BLK_DEV_INITRD

	/* Now have to check initial ramdisk, so that bootmap does not overwrite it */
@@ -932,6 +1023,16 @@ static unsigned long __init bootmem_init(unsigned long *pages_avail, 
		}

	}

#endif	



	if (cmdline_memory_size &&

	    bytes_avail > cmdline_memory_size)

		trim_pavail(&bytes_avail,

			    &end_of_phys_memory);



	*pages_avail = bytes_avail >> PAGE_SHIFT;



	end_pfn = end_of_phys_memory >> PAGE_SHIFT;



	/* Initialize the boot-time allocator. */

	max_pfn = max_low_pfn = end_pfn;

	min_low_pfn = (phys_base >> PAGE_SHIFT);