linaro-dev February 2011

linaro-dev@lists.linaro.org

120 participants
166 discussions

by Dave Martin

On Tue, Feb 22, 2011 at 4:38 PM, Amit Kucheria <amit.kucheria(a)linaro.org> wrote: > Hi, > > We're required to cc patches(a)linaro.org for all patches that we send > upstream. bzr/launchpad users are already covered or will be shortly. > > For those using git-send-email to send patches (and you really should > be), it might make sense to use the following command so you don't > forget > > $ git config --global --add sendemail.bcc "patches(a)linaro.org" > > Check $HOME/.gitconfig to make sure you see "bcc = patches(a)linaro.org" > under the [sendemail] section. > WARNING - this will bcc patches(a)linaro.org on all patches from that > machine sent using git-send-email. > > If you want more control, and your linaro work happens in a single git > tree, you could do the following: > > $ cd <your linaro git tree> > $ git config --add sendemail.bcc "patches(a)linaro.org" > > Check <your linaro git tree>/.git/config for the bcc entry as above. > Now patches send from that tree will be bcc'ed to patches@linaro. > > /Amit > p.s. There is also a sendemail.cc instead of sendemail.bcc in case you > want to use that. > Do we need a policy on whether or not to use Bcc here? One argument for using Bcc is that it avoids replies from subscribers to the destination mailing lists from also being CC'd to patches(a)linaro.org. Can your analysis cope with patches(a)linaro.org receiving a whole thread, or do we need to be careful about this? Cheers ---Dave

12 years, 9 months

[PATCH] power: Fixup stack usage in vritual battery driver

by John Stultz

For some reason the virtual battery driver code allocates 4k on the stack. This is clearly broken, so keep the length smaller (256) and cleanup the string management code to use the bounds checking versions. CC: Akihiro MAEDA <sola.1980.a(a)gmail.com> CC: Masashi YOKOTA <yokota(a)pylone.jp> Signed-off-by: John Stultz <john.stultz(a)linaro.org> --- drivers/power/virtual_battery.c | 11 +++++++---- 1 files changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/power/virtual_battery.c b/drivers/power/virtual_battery.c index ed686ef..30c91b4 100644 --- a/drivers/power/virtual_battery.c +++ b/drivers/power/virtual_battery.c @@ -115,6 +115,7 @@ static struct power_supply power_supply_bat = { }; +#define MAX_KEYLENGTH 256 struct battery_property_map { int value; char const * key; @@ -162,16 +163,18 @@ static struct battery_property_map map_technology[] = { static int map_get_value(struct battery_property_map * map, const char * key, int def_val) { - char buf[4096]; + char buf[MAX_KEYLENGTH]; int cr; - strcpy(buf, key); - cr = strlen(buf) - 1; + strncpy(buf, key, MAX_KEYLENGTH); + buf[MAX_KEYLENGTH-1] = '\0'; + + cr = strnlen(buf, MAX_KEYLENGTH) - 1; if (buf[cr] == '\n') buf[cr] = '\0'; while (map->key) { - if (strcasecmp(map->key, buf) == 0) + if (strncasecmp(map->key, buf, MAX_KEYLENGTH) == 0) return map->value; map++; } -- 1.7.3.2.146.gca209

12 years, 9 months

[git pull] Basic device tree support for ARM

by Grant Likely

Hi Nicolas, Here's the branch implementing basic device tree support based on the linaro-2.6.38 tree. Should be good to go. g. The following changes since commit f60e8ccbfce6b40a112bddef5b4926b7416b4f92: ARM: fix build failure (2011-02-22 15:49:23 -0500) are available in the git repository at: git://git.secretlab.ca/git/linux-2.6 devicetree/arm-linaro-2.6.38 Grant Likely (5): arm/dt: Make __vet_atags also accept a dtb image arm/dt: consolidate atags setup into setup_machine_atags arm/dt: probe for platforms via the device tree arm/dt: Basic versatile devicetree support arm/dt: Basic tegra devicetree support Jeremy Kerr (1): arm/dt: Allow CONFIG_OF on ARM arch/arm/Kconfig | 7 ++ arch/arm/include/asm/mach/arch.h | 9 ++ arch/arm/include/asm/prom.h | 37 ++++++++ arch/arm/include/asm/setup.h | 5 + arch/arm/kernel/Makefile | 1 + arch/arm/kernel/devtree.c | 147 ++++++++++++++++++++++++++++++++ arch/arm/kernel/head-common.S | 24 ++++-- arch/arm/kernel/head.S | 8 +- arch/arm/kernel/setup.c | 90 ++++++++++++-------- arch/arm/mach-tegra/board-harmony.c | 6 ++ arch/arm/mach-versatile/versatile_ab.c | 6 ++ arch/arm/mach-versatile/versatile_pb.c | 6 ++ arch/arm/mm/init.c | 11 +++ 13 files changed, 312 insertions(+), 45 deletions(-) create mode 100644 arch/arm/include/asm/prom.h create mode 100644 arch/arm/kernel/devtree.c -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd.

12 years, 9 months

[PATCH v2 0/2] ARM: IMX5: cpuidle driver

by yong.shen＠linaro.org

change log: 1. move code to arch/arm/mach-mx5/, since it is cpu-type specific 2. provide a interface for various board to register board-specific params.

12 years, 9 months

[NOTES] Android Platform Team meeting 2011-02-23

by Jamie Bennett

Hi, The notes and actions for this weeks Android Platform Team meeting along with team activity reports are now available at: https://wiki.linaro.org/Platform/Android/Meetings/2011-02-23 = Actions Recorded = * kjnabe to contribute framebuffer support back to jstultz' git.linaro.org tree * kjnabe to contribute beagle defconfig to jstultz git.linaro.org tree * JamieBennett to prod people for framebuffer and defconfig changes to go to jstultz' tree * jserv-- and jeremychang to test John's tree for battery support and report back * JamieBennett to investigate certificates on android-build.linaro.org * jeremychang to confirm https://android-build.linaro.org/job/android-panda/ tarballs work and fix if necessary * patrikryd to confirm https://android-build.linaro.org/job/android-u8500href/ tarballs work and fix if necessary * jserv-- to confirm https://android-build.linaro.org/job/android-beagle/ tarballs work and fix if necessary * jserv-- jeremychang and patrikryd to improve their weekly report before JamieBennett submits a team report to linaro-dev tomorrow * asac to produce a better standing agenda for the meetings Regards, Jamie. -- Linaro Release Manager | Platform Project Manager

12 years, 9 months

[PATCH android/system/core] init: support mmc device mount (by partition)

by Jim Huang

init.rc usage example: mount vfat mmc@blk1p3 /mnt/sdcard2 --- init/builtins.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/init/builtins.c b/init/builtins.c index e0ccf9f..32d9d7f 100644 --- a/init/builtins.c +++ b/init/builtins.c @@ -356,6 +356,16 @@ int do_mount(int nargs, char **args) close(fd); ERROR("out of loopback devices"); return -1; + } else if (!strncmp(source, "mmc@blk", 7)) { + sprintf(tmp, "/dev/block/mmcblk%s", source + 7); + + if (wait) + wait_for_file(tmp, COMMAND_RETRY_TIMEOUT); + if (mount(tmp, target, system, flags, options) < 0) { + return -1; + } + + return 0; } else { if (wait) wait_for_file(source, COMMAND_RETRY_TIMEOUT); -- 1.7.2.3

12 years, 9 months

[GIT PULL v2] omap[34] Thumb-2 support for linux-linaro-2.6.38

by Dave Martin

The following changes since commit 239a14a340ad4a81cfff4075625382d7f78f5258: (Rebased against git://git.linaro.org/kernel/linux-linaro-2.6.38.git) Merge commit 'v2.6.38-rc6' into linaro-2.6.38 (2011-02-22 22:26:28 -0500) are available in the git repository at: git://git.linaro.org/people/dmart/linux-2.6-arm.git for-linaro-2.6.38/dirty/arm/omap-thumb2+merged Dave Martin (9): ARM: omap4: Provide do_wfi() for Thumb-2 ARM: omap4: Convert END() to ENDPROC() for correct linkage with CONFIG_THUMB2_KERNEL ARM: omap3: Remove hand-encoded SMC instructions ARM: omap3: Thumb-2 compatibility for sram34xx.S ARM: omap3: Thumb-2 compatibility for sleep34xx.S ARM: Thumb-2: Symbol manipulation macros for function body copying ARM: Add local symbols in relocate_kernel.S to work around gas bugs ARM: omap3: Work around assembler errors in sleep34xx.S ARM: Thumb-2: Reflect ARM/Thumb-2 configuration in module vermagic Jean Pihet (2): omap: use fncpy to copy the PM code functions to SRAM OMAP: fix fncpy API call arch/arm/include/asm/fncpy.h | 94 +++++++++++++++++++++++ arch/arm/include/asm/module.h | 8 ++ arch/arm/kernel/relocate_kernel.S | 12 ++- arch/arm/mach-omap1/pm.h | 6 +- arch/arm/mach-omap1/sleep.S | 3 + arch/arm/mach-omap1/sram.S | 1 + arch/arm/mach-omap2/include/mach/omap4-common.h | 4 + arch/arm/mach-omap2/omap-headsmp.S | 2 +- arch/arm/mach-omap2/omap44xx-smc.S | 8 +- arch/arm/mach-omap2/pm.h | 2 +- arch/arm/mach-omap2/sleep24xx.S | 2 + arch/arm/mach-omap2/sleep34xx.S | 71 ++++++++++++++---- arch/arm/mach-omap2/sram242x.S | 3 + arch/arm/mach-omap2/sram243x.S | 3 + arch/arm/mach-omap2/sram34xx.S | 37 +++++++-- arch/arm/plat-omap/include/plat/sram.h | 14 +++- arch/arm/plat-omap/sram.c | 14 ++- 17 files changed, 243 insertions(+), 41 deletions(-) create mode 100644 arch/arm/include/asm/fncpy.h

12 years, 9 months

Booting problem on Panda board

by Avik Sil

Hi, I've been trying to boot Linaro on Panda board following the instructions given in https://wiki.linaro.org/Boards/Panda. I've used linaro-natty-headless-tar-20110216-0.tar.gz and hwpack_linaro-panda_20110217-0_armel_supported.tar.gz. After writing the image successfully on an SD card I tried booting the board from it and got a kernel panic: http://paste.ubuntu.com/569954 Please let me know how to get out of this problem. Regards, Avik

12 years, 9 months

[PATCH 2/2] virtual battery driver changed for linux kernel 2.6.37 or later

by sola

>From 8eab2223b35024e56fd8868626b2fc1958eada47 Mon Sep 17 00:00:00 2001 From: Akihiro MAEDA <sola.1980.a(a)gmail.com> Date: Sat, 19 Feb 2011 02:44:31 +0900 Subject: [PATCH 2/2] virtual battery driver changed for linux kernel 2.6.37 or later This patch adds virtual battery driver. This is based on git://git.linaro.org/people/jstultz/linux.git dev/linaro.android Signed-off-by: Akihiro MAEDA <sola.1980.a(a)gmail.com> --- drivers/power/virtual_battery.c | 53 ++++++++++++++++++++++++++++++-------- 1 files changed, 42 insertions(+), 11 deletions(-) diff --git a/drivers/power/virtual_battery.c b/drivers/power/virtual_battery.c index 9e455ad..e4fa9e5 100644 --- a/drivers/power/virtual_battery.c +++ b/drivers/power/virtual_battery.c @@ -5,6 +5,7 @@ * * Copyright (C) 2008 Pylone, Inc. * Author: Masashi YOKOTA <yokota(a)pylone.jp> + * Modified by: Akihiro MAEDA <sola.1980.a(a)gmail.com> * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -190,7 +191,7 @@ static const char * map_get_key(struct battery_property_map * map, int value, co return def_key; } -static int param_set_ac_status(const char *key, struct kernel_param *kp) +static int param_set_ac_status(const char *key, const struct kernel_param *kp) { dev_dbg(&bat_pdev->dev, "%s: name=%s, key=%s\n", __func__, kp->name, key); ac_status = map_get_value( map_ac_online, key, ac_status); @@ -198,14 +199,14 @@ static int param_set_ac_status(const char *key, struct kernel_param *kp) return 0; } -static int param_get_ac_status(char *buffer, struct kernel_param *kp) +static int param_get_ac_status(char *buffer, const struct kernel_param *kp) { dev_dbg(&bat_pdev->dev, "%s: name=%s\n", __func__, kp->name); strcpy(buffer, map_get_key( map_ac_online, ac_status, "unknown")); return strlen(buffer); } -static int param_set_battery_status(const char *key, struct kernel_param *kp) +static int param_set_battery_status(const char *key, const struct kernel_param *kp) { dev_dbg(&bat_pdev->dev, "%s: name=%s, key=%s.\n", __func__, kp->name, key); battery_status = map_get_value( map_status, key, battery_status); @@ -213,14 +214,14 @@ static int param_set_battery_status(const char *key, struct kernel_param *kp) return 0; } -static int param_get_battery_status(char *buffer, struct kernel_param *kp) +static int param_get_battery_status(char *buffer, const struct kernel_param *kp) { dev_dbg(&bat_pdev->dev, "%s: name=%s\n", __func__, kp->name); strcpy(buffer, map_get_key( map_status, battery_status, "unknown")); return strlen(buffer); } -static int param_set_battery_health(const char *key, struct kernel_param *kp) +static int param_set_battery_health(const char *key, const struct kernel_param *kp) { dev_dbg(&bat_pdev->dev, "%s: name=%s, key=%s\n", __func__, kp->name, key); battery_health = map_get_value( map_health, key, battery_health); @@ -228,14 +229,14 @@ static int param_set_battery_health(const char *key, struct kernel_param *kp) return 0; } -static int param_get_battery_health(char *buffer, struct kernel_param *kp) +static int param_get_battery_health(char *buffer, const struct kernel_param *kp) { dev_dbg(&bat_pdev->dev, "%s: name=%s\n", __func__, kp->name); strcpy(buffer, map_get_key( map_health, battery_health, "unknown")); return strlen(buffer); } -static int param_set_battery_present(const char *key, struct kernel_param *kp) +static int param_set_battery_present(const char *key, const struct kernel_param *kp) { dev_dbg(&bat_pdev->dev, "%s: name=%s, key=%s\n", __func__, kp->name, key); battery_present = map_get_value( map_present, key, battery_present); @@ -243,14 +244,14 @@ static int param_set_battery_present(const char *key, struct kernel_param *kp) return 0; } -static int param_get_battery_present(char *buffer, struct kernel_param *kp) +static int param_get_battery_present(char *buffer, const struct kernel_param *kp) { dev_dbg(&bat_pdev->dev, "%s: name=%s\n", __func__, kp->name); strcpy(buffer, map_get_key( map_present, battery_present, "unknown")); return strlen(buffer); } -static int param_set_battery_technology(const char *key, struct kernel_param *kp) +static int param_set_battery_technology(const char *key, const struct kernel_param *kp) { dev_dbg(&bat_pdev->dev, "%s: name=%s, key=%s\n", __func__, kp->name, key); battery_technology = map_get_value( map_technology, key, battery_technology); @@ -258,14 +259,14 @@ static int param_set_battery_technology(const char *key, struct kernel_param *kp return 0; } -static int param_get_battery_technology(char *buffer, struct kernel_param *kp) +static int param_get_battery_technology(char *buffer, const struct kernel_param *kp) { dev_dbg(&bat_pdev->dev, "%s: name=%s\n", __func__, kp->name); strcpy(buffer, map_get_key( map_technology, battery_technology, "unknown")); return strlen(buffer); } -static int param_set_battery_capacity(const char *key, struct kernel_param *kp) +static int param_set_battery_capacity(const char *key, const struct kernel_param *kp) { int tmp; @@ -314,6 +315,36 @@ static void __exit virtual_battery_exit(void) printk(KERN_INFO KBUILD_BASENAME": unregistered \n"); } +static struct kernel_param_ops param_ops_ac_status = { + .set = param_set_ac_status, + .get = param_get_ac_status, +}; + +static struct kernel_param_ops param_ops_battery_status = { + .set = param_set_battery_status, + .get = param_get_battery_status, +}; + +static struct kernel_param_ops param_ops_battery_present = { + .set = param_set_battery_present, + .get = param_get_battery_present, +}; + +static struct kernel_param_ops param_ops_battery_technology = { + .set = param_set_battery_technology, + .get = param_get_battery_technology, +}; + +static struct kernel_param_ops param_ops_battery_health = { + .set = param_set_battery_health, + .get = param_get_battery_health, +}; + +static struct kernel_param_ops param_ops_battery_capacity = { + .set = param_set_battery_capacity, + .get = param_get_battery_capacity, +}; + module_init(virtual_battery_init); module_exit(virtual_battery_exit); -- 1.7.0.4

12 years, 9 months

The linaro-2.6.38 kernel is now open

by Nicolas Pitre

As the next Linaro release (11.05) will include the 2.6.38 kernel, it was decided that the linaro-2.6.38 branch would open early i.e. before the final 2.6.38 kernel is released. So there it is. All the extra patches that were available in linaro-2.6.37 should be included in linaro-2.6.38 at this point. Some notable exceptions at the moment are some Thumb2 support patches, and some ARMv6k compatibility patches. I expect to get a fresh set from Dave Martin soon for the former, and I'll eventually merge RMK's devel branch which would bring in the later. But as you should know already, the feature freeze is due this Thursday February 24th. So now is the time to consider the linaro-2.6.38 tree, put on top all the patches you want to see in the upcoming Linaro release, and ask me to merge them in. If you need some subsystem tree such as MMC to be included as well then now is the time to say so as well. Nicolas

12 years, 9 months

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linaro-dev February 2011