diff options
85 files changed, 1317 insertions, 1200 deletions
diff --git a/Documentation/connector/connector.txt b/Documentation/connector/connector.txt index 54a0a14bfbe..57a314b14cf 100644 --- a/Documentation/connector/connector.txt +++ b/Documentation/connector/connector.txt @@ -131,3 +131,47 @@ Netlink itself is not reliable protocol, that means that messages can be lost due to memory pressure or process' receiving queue overflowed, so caller is warned must be prepared. That is why struct cn_msg [main connector's message header] contains u32 seq and u32 ack fields. + +/*****************************************/ +Userspace usage. +/*****************************************/ +2.6.14 has a new netlink socket implementation, which by default does not +allow to send data to netlink groups other than 1. +So, if to use netlink socket (for example using connector) +with different group number userspace application must subscribe to +that group. It can be achieved by following pseudocode: + +s = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR); + +l_local.nl_family = AF_NETLINK; +l_local.nl_groups = 12345; +l_local.nl_pid = 0; + +if (bind(s, (struct sockaddr *)&l_local, sizeof(struct sockaddr_nl)) == -1) { + perror("bind"); + close(s); + return -1; +} + +{ + int on = l_local.nl_groups; + setsockopt(s, 270, 1, &on, sizeof(on)); +} + +Where 270 above is SOL_NETLINK, and 1 is a NETLINK_ADD_MEMBERSHIP socket +option. To drop multicast subscription one should call above socket option +with NETLINK_DROP_MEMBERSHIP parameter which is defined as 0. + +2.6.14 netlink code only allows to select a group which is less or equal to +the maximum group number, which is used at netlink_kernel_create() time. +In case of connector it is CN_NETLINK_USERS + 0xf, so if you want to use +group number 12345, you must increment CN_NETLINK_USERS to that number. +Additional 0xf numbers are allocated to be used by non-in-kernel users. + +Due to this limitation, group 0xffffffff does not work now, so one can +not use add/remove connector's group notifications, but as far as I know, +only cn_test.c test module used it. + +Some work in netlink area is still being done, so things can be changed in +2.6.15 timeframe, if it will happen, documentation will be updated for that +kernel. diff --git a/Documentation/dell_rbu.txt b/Documentation/dell_rbu.txt index 95d7f62e4db..941343a7a26 100644 --- a/Documentation/dell_rbu.txt +++ b/Documentation/dell_rbu.txt @@ -35,6 +35,7 @@ The driver load creates the following directories under the /sys file system. /sys/class/firmware/dell_rbu/data /sys/devices/platform/dell_rbu/image_type /sys/devices/platform/dell_rbu/data +/sys/devices/platform/dell_rbu/packet_size The driver supports two types of update mechanism; monolithic and packetized. These update mechanism depends upon the BIOS currently running on the system. @@ -47,8 +48,26 @@ By default the driver uses monolithic memory for the update type. This can be changed to packets during the driver load time by specifying the load parameter image_type=packet. This can also be changed later as below echo packet > /sys/devices/platform/dell_rbu/image_type -Also echoing either mono ,packet or init in to image_type will free up the -memory allocated by the driver. + +In packet update mode the packet size has to be given before any packets can +be downloaded. It is done as below +echo XXXX > /sys/devices/platform/dell_rbu/packet_size +In the packet update mechanism, the user neesd to create a new file having +packets of data arranged back to back. It can be done as follows +The user creates packets header, gets the chunk of the BIOS image and +placs it next to the packetheader; now, the packetheader + BIOS image chunk +added to geather should match the specified packet_size. This makes one +packet, the user needs to create more such packets out of the entire BIOS +image file and then arrange all these packets back to back in to one single +file. +This file is then copied to /sys/class/firmware/dell_rbu/data. +Once this file gets to the driver, the driver extracts packet_size data from +the file and spreads it accross the physical memory in contiguous packet_sized +space. +This method makes sure that all the packets get to the driver in a single operation. + +In monolithic update the user simply get the BIOS image (.hdr file) and copies +to the data file as is without any change to the BIOS image itself. Do the steps below to download the BIOS image. 1) echo 1 > /sys/class/firmware/dell_rbu/loading @@ -58,7 +77,10 @@ Do the steps below to download the BIOS image. The /sys/class/firmware/dell_rbu/ entries will remain till the following is done. echo -1 > /sys/class/firmware/dell_rbu/loading. -Until this step is completed the drivr cannot be unloaded. +Until this step is completed the driver cannot be unloaded. +Also echoing either mono ,packet or init in to image_type will free up the +memory allocated by the driver. + If an user by accident executes steps 1 and 3 above without executing step 2; it will make the /sys/class/firmware/dell_rbu/ entries to disappear. The entries can be recreated by doing the following @@ -66,15 +88,11 @@ echo init > /sys/devices/platform/dell_rbu/image_type NOTE: echoing init in image_type does not change it original value. Also the driver provides /sys/devices/platform/dell_rbu/data readonly file to -read back the image downloaded. This is useful in case of packet update -mechanism where the above steps 1,2,3 will repeated for every packet. -By reading the /sys/devices/platform/dell_rbu/data file all packet data -downloaded can be verified in a single file. -The packets are arranged in this file one after the other in a FIFO order. +read back the image downloaded. NOTE: -This driver requires a patch for firmware_class.c which has the addition -of request_firmware_nowait_nohotplug function to wortk +This driver requires a patch for firmware_class.c which has the modified +request_firmware_nowait function. Also after updating the BIOS image an user mdoe application neeeds to execute code which message the BIOS update request to the BIOS. So on the next reboot the BIOS knows about the new image downloaded and it updates it self. @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 14 -EXTRAVERSION =-rc3 +EXTRAVERSION =-rc4 NAME=Affluent Albatross # *DOCUMENTATION* diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 7779f2d1aca..299bc046870 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -53,7 +53,7 @@ tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale -tune-$(CONFIG_CPU_V6) :=-mtune=strongarm +tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) # Need -Uarm for gcc < 3.x CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c index 835d450797a..7b17a87a331 100644 --- a/arch/arm/kernel/armksyms.c +++ b/arch/arm/kernel/armksyms.c @@ -45,8 +45,8 @@ extern void fp_enter(void); #define EXPORT_SYMBOL_ALIAS(sym,orig) \ EXPORT_CRC_ALIAS(sym) \ - const struct kernel_symbol __ksymtab_##sym \ - __attribute__((section("__ksymtab"))) = \ + static const struct kernel_symbol __ksymtab_##sym \ + __attribute_used__ __attribute__((section("__ksymtab"))) = \ { (unsigned long)&orig, #sym }; /* diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 81d450ac3fa..066597f4345 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -106,15 +106,10 @@ ENTRY(ret_from_fork) .endm .Larm700bug: - ldr r0, [sp, #S_PSR] @ Get calling cpsr - sub lr, lr, #4 - str lr, [r8] - msr spsr_cxsf, r0 ldmia sp, {r0 - lr}^ @ Get calling r0 - lr mov r0, r0 - ldr lr, [sp, #S_PC] @ Get PC add sp, sp, #S_FRAME_SIZE - movs pc, lr + subs pc, lr, #4 #else .macro arm710_bug_check, instr, temp .endm diff --git a/arch/arm/mach-s3c2410/mach-anubis.c b/arch/arm/mach-s3c2410/mach-anubis.c index 7c05f27fe1d..5ae80f4e3e6 100644 --- a/arch/arm/mach-s3c2410/mach-anubis.c +++ b/arch/arm/mach-s3c2410/mach-anubis.c @@ -125,7 +125,7 @@ static int external_map[] = { 2 }; static int chip0_map[] = { 0 }; static int chip1_map[] = { 1 }; -struct mtd_partition anubis_default_nand_part[] = { +static struct mtd_partition anubis_default_nand_part[] = { [0] = { .name = "Boot Agent", .size = SZ_16K, diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index ed1f07d7252..8ca95598464 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -230,7 +230,7 @@ static int chip0_map[] = { 1 }; static int chip1_map[] = { 2 }; static int chip2_map[] = { 3 }; -struct mtd_partition bast_default_nand_part[] = { +static struct mtd_partition bast_default_nand_part[] = { [0] = { .name = "Boot Agent", .size = SZ_16K, @@ -340,7 +340,7 @@ static struct resource bast_dm9k_resource[] = { * better IO routines can be written and tested */ -struct dm9000_plat_data bast_dm9k_platdata = { +static struct dm9000_plat_data bast_dm9k_platdata = { .flags = DM9000_PLATF_16BITONLY }; diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c index 663a7f98fc0..46b259673c1 100644 --- a/arch/arm/mach-s3c2410/mach-vr1000.c +++ b/arch/arm/mach-s3c2410/mach-vr1000.c @@ -288,7 +288,7 @@ static struct resource vr1000_dm9k1_resource[] = { * better IO routines can be written and tested */ -struct dm9000_plat_data vr1000_dm9k_platdata = { +static struct dm9000_plat_data vr1000_dm9k_platdata = { .flags = DM9000_PLATF_16BITONLY, }; diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c index 0b88993dfd2..a8bf5ec8260 100644 --- a/arch/arm/mach-s3c2410/s3c2410.c +++ b/arch/arm/mach-s3c2410/s3c2410.c @@ -125,9 +125,6 @@ static struct platform_device *uart_devices[] __initdata = { &s3c_uart2 }; -/* store our uart devices for the serial driver console */ -struct platform_device *s3c2410_uart_devices[3]; - static int s3c2410_uart_count = 0; /* uart registration process */ diff --git a/arch/arm/mach-s3c2410/s3c2440.c b/arch/arm/mach-s3c2410/s3c2440.c index d4c8281b55f..833fa36bce0 100644 --- a/arch/arm/mach-s3c2410/s3c2440.c +++ b/arch/arm/mach-s3c2410/s3c2440.c @@ -151,7 +151,7 @@ void __init s3c2440_init_uarts(struct s3c2410_uartcfg *cfg, int no) #ifdef CONFIG_PM -struct sleep_save s3c2440_sleep[] = { +static struct sleep_save s3c2440_sleep[] = { SAVE_ITEM(S3C2440_DSC0), SAVE_ITEM(S3C2440_DSC1), SAVE_ITEM(S3C2440_GPJDAT), @@ -260,7 +260,7 @@ void __init s3c2440_init_clocks(int xtal) * as a driver which may support both 2410 and 2440 may try and use it. */ -int __init s3c2440_core_init(void) +static int __init s3c2440_core_init(void) { return sysdev_class_register(&s3c2440_sysclass); } diff --git a/arch/arm/mach-s3c2410/time.c b/arch/arm/mach-s3c2410/time.c index c0acfb2ad79..8a00e3c3cd0 100644 --- a/arch/arm/mach-s3c2410/time.c +++ b/arch/arm/mach-s3c2410/time.c @@ -38,6 +38,7 @@ #include <asm/hardware/clock.h> #include "clock.h" +#include "cpu.h" static unsigned long timer_startval; static unsigned long timer_usec_ticks; diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index f35e69e9c65..705c98921c3 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -111,7 +111,7 @@ proc_alignment_read(char *page, char **start, off_t off, int count, int *eof, } static int proc_alignment_write(struct file *file, const char __user *buffer, - unsigned long count, void *data) + unsigned long count, void *data) { char mode; @@ -119,7 +119,7 @@ static int proc_alignment_write(struct file *file, const char __user *buffer, if (get_user(mode, buffer)) return -EFAULT; if (mode >= '0' && mode <= '5') - ai_usermode = mode - '0'; + ai_usermode = mode - '0'; } return count; } @@ -262,7 +262,7 @@ union offset_union { goto fault; \ } while (0) -#define put32_unaligned_check(val,addr) \ +#define put32_unaligned_check(val,addr) \ __put32_unaligned_check("strb", val, addr) #define put32t_unaligned_check(val,addr) \ @@ -306,19 +306,19 @@ do_alignment_ldrhstrh(unsigned long addr, unsigned long instr, struct pt_regs *r return TYPE_LDST; user: - if (LDST_L_BIT(instr)) { - unsigned long val; - get16t_unaligned_check(val, addr); + if (LDST_L_BIT(instr)) { + unsigned long val; + get16t_unaligned_check(val, addr); - /* signed half-word? */ - if (instr & 0x40) - val = (signed long)((signed short) val); + /* signed half-word? */ + if (instr & 0x40) + val = (signed long)((signed short) val); - regs->uregs[rd] = val; - } else - put16t_unaligned_check(regs->uregs[rd], addr); + regs->uregs[rd] = val; + } else + put16t_unaligned_check(regs->uregs[rd], addr); - return TYPE_LDST; + return TYPE_LDST; fault: return TYPE_FAULT; @@ -342,11 +342,11 @@ do_alignment_ldrdstrd(unsigned long addr, unsigned long instr, unsigned long val; get32_unaligned_check(val, addr); regs->uregs[rd] = val; - get32_unaligned_check(val, addr+4); - regs->uregs[rd+1] = val; + get32_unaligned_check(val, addr + 4); + regs->uregs[rd + 1] = val; } else { put32_unaligned_check(regs->uregs[rd], addr); - put32_unaligned_check(regs->uregs[rd+1], addr+4); + put32_unaligned_check(regs->uregs[rd + 1], addr + 4); } return TYPE_LDST; @@ -356,11 +356,11 @@ do_alignment_ldrdstrd(unsigned long addr, unsigned long instr, unsigned long val; get32t_unaligned_check(val, addr); regs->uregs[rd] = val; - get32t_unaligned_check(val, addr+4); - regs->uregs[rd+1] = val; + get32t_unaligned_check(val, addr + 4); + regs->uregs[rd + 1] = val; } else { put32t_unaligned_check(regs->uregs[rd], addr); - put32t_unaligned_check(regs->uregs[rd+1], addr+4); + put32t_unaligned_check(regs->uregs[rd + 1], addr + 4); } return TYPE_LDST; @@ -443,7 +443,7 @@ do_alignment_ldmstm(unsigned long addr, unsigned long instr, struct pt_r |