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2011-12-23netfilter: xt_connbytes: handle negation correctlyFlorian Westphal
"! --connbytes 23:42" should match if the packet/byte count is not in range. As there is no explict "invert match" toggle in the match structure, userspace swaps the from and to arguments (i.e., as if "--connbytes 42:23" were given). However, "what <= 23 && what >= 42" will always be false. Change things so we use "||" in case "from" is larger than "to". This change may look like it breaks backwards compatibility when "to" is 0. However, older iptables binaries will refuse "connbytes 42:0", and current releases treat it to mean "! --connbytes 0:42", so we should be fine. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-23netfilter: ctnetlink: remove dead NAT codePatrick McHardy
The NAT range to nlattr conversation callbacks and helpers are entirely dead code and are also useless since there are no NAT ranges in conntrack context, they are only used for initially selecting a tuple. The final NAT information is contained in the selected tuples of the conntrack entry. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-23netfilter: nf_nat: remove obsolete check in nf_nat_mangle_udp_packet()Patrick McHardy
The packet size check originates from a time when UDP helpers could accidentally mangle incorrect packets (NEWNAT) and is unnecessary nowadays since the conntrack helpers invoke the NAT helpers for the proper packet directly. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-23netfilter: nf_nat: remove obsolete code from nf_nat_icmp_reply_translation()Patrick McHardy
The inner tuple that is extracted from the packet is unused. The code also doesn't have any useful side-effects like verifying the packet does contain enough data to extract the inner tuple since conntrack already does the same, so remove it. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-23netfilter: nat: remove module reference counting from NAT protocolsPatrick McHardy
The only remaining user of NAT protocol module reference counting is NAT ctnetlink support. Since this is a fairly short sequence of code, convert over to use RCU and remove module reference counting. Module unregistration is already protected by RCU using synchronize_rcu(), so no further changes are necessary. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-23netfilter: nf_nat: add missing nla_policy entry for CTA_NAT_PROTO attributePatrick McHardy
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-23netfilter: nf_nat: use hash random for bysource hashPatrick McHardy
Use nf_conntrack_hash_rnd in NAT bysource hash to avoid hash chain attacks. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-23netfilter: nf_nat: export NAT definitions to userspacePatrick McHardy
Export the NAT definitions to userspace. So far userspace (specifically, iptables) has been copying the headers files from include/net. Also rename some structures and definitions in preparation for IPv6 NAT. Since these have never been officially exported, this doesn't affect existing userspace code. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-23netfilter: rework user-space expectation helper supportPablo Neira Ayuso
This partially reworks bc01befdcf3e40979eb518085a075cbf0aacede0 which added userspace expectation support. This patch removes the nf_ct_userspace_expect_list since now we force to use the new iptables CT target feature to add the helper extension for conntracks that have attached expectations from userspace. A new version of the proof-of-concept code to implement userspace helpers from userspace is available at: http://people.netfilter.org/pablo/userspace-conntrack-helpers/nf-ftp-helper-POC.tar.bz2 This patch also modifies the CT target to allow to set the conntrack's userspace helper status flags. This flag is used to tell the conntrack system to explicitly allocate the helper extension. This helper extension is useful to link the userspace expectations with the master conntrack that is being tracked from one userspace helper. This feature fixes a problem in the current approach of the userspace helper support. Basically, if the master conntrack that has got a userspace expectation vanishes, the expectations point to one invalid memory address. Thus, triggering an oops in the expectation deletion event path. I decided not to add a new revision of the CT target because I only needed to add a new flag for it. I'll document in this issue in the iptables manpage. I have also changed the return value from EINVAL to EOPNOTSUPP if one flag not supported is specified. Thus, in the future adding new features that only require a new flag can be added without a new revision. There is no official code using this in userspace (apart from the proof-of-concept) that uses this infrastructure but there will be some by beginning 2012. Reported-by: Sam Roberts <vieuxtech@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-23Btrfs: call d_instantiate after all ops are setupAl Viro
This closes races where btrfs is calling d_instantiate too soon during inode creation. All of the callers of btrfs_add_nondir are updated to instantiate after the inode is fully setup in memory. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-12-23Btrfs: fix worker lock misuse in find_workerChris Mason
Dan Carpenter noticed that we were doing a double unlock on the worker lock, and sometimes picking a worker thread without the lock held. This fixes both errors. Signed-off-by: Chris Mason <chris.mason@oracle.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
2011-12-23oprofile, arm/sh: Fix oprofile_arch_exit() linkage issueVladimir Zapolskiy
This change fixes a linking problem, which happens if oprofile is selected to be compiled as built-in: `oprofile_arch_exit' referenced in section `.init.text' of arch/arm/oprofile/built-in.o: defined in discarded section `.exit.text' of arch/arm/oprofile/built-in.o The problem is appeared after commit 87121ca504, which introduced oprofile_arch_exit() calls from __init function. Note that the aforementioned commit has been backported to stable branches, and the problem is known to be reproduced at least with 3.0.13 and 3.1.5 kernels. Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@nokia.com> Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: Will Deacon <will.deacon@arm.com> Cc: oprofile-list <oprofile-list@lists.sourceforge.net> Cc: <stable@kernel.org> Link: http://lkml.kernel.org/r/20111222151540.GB16765@erda.amd.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-12-23sched: Disable scheduler warnings during oopsesDave Jones
The panic-on-framebuffer code seems to cause a schedule to occur during an oops. This causes a bunch of extra spew as can be seen in: https://bugzilla.redhat.com/attachment.cgi?id=549230 Don't do scheduler debug checks when we are oopsing already. Signed-off-by: Dave Jones <davej@redhat.com> Link: http://lkml.kernel.org/r/20111222213929.GA4722@redhat.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-12-23Input: sentelic - release mutex upon register write failureTai-hwa Liang
Make sure that mutex is released upon register writing failure. This fixes boot freezing observed on ARM based OLPC (http://dev.laptop.org/ticket/11357). Signed-off-by: Paul Fox <pgf@laptop.org> Signed-off-by: Tai-hwa Liang <avatar@sentelic.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-23Input: sentelic - document the latest hardwareTai-hwa Liang
- Add documentation for the Cx/Dx hardware release; - Fix wrong register offset for retrieving button information; - Document programming sequence for page register R/W; - Document a couple of supported gesture IDs. Signed-off-by: Tai-hwa Liang <avatar@sentelic.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2011-12-23net: relax rcvbuf limitsEric Dumazet
skb->truesize might be big even for a small packet. Its even bigger after commit 87fb4b7b533 (net: more accurate skb truesize) and big MTU. We should allow queueing at least one packet per receiver, even with a low RCVBUF setting. Reported-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-22netlink: wake up netlink listeners sooner (v2)stephen hemminger
This patch changes it to yield sooner at halfway instead. Still not a cure-all for listener overrun if listner is slow, but works much reliably. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-22netlink: af_netlink cleanup (v2)stephen hemminger
Don't inline functions that cover several lines, and do inline the trivial ones. Also make some arguments const. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-22Partial revert "Basic kernel memory functionality for the Memory Controller"Glauber Costa
This reverts commit e5671dfae59b165e2adfd4dfbdeab11ac8db5bda. After a follow up discussion with Michal, it was agreed it would be better to leave the kmem controller with just the tcp files, deferring the behavior of the other general memory.kmem.* files for a later time, when more caches are controlled. This is because generic kmem files are not used by tcp accounting and it is not clear how other slab caches would fit into the scheme. We are reverting the original commit so we can track the reference. Part of the patch is kept, because it was used by the later tcp code. Conflicts are shown in the bottom. init/Kconfig is removed from the revert entirely. Signed-off-by: Glauber Costa <glommer@parallels.com> Acked-by: Michal Hocko <mhocko@suse.cz> CC: Kirill A. Shutemov <kirill@shutemov.name> CC: Paul Menage <paul@paulmenage.org> CC: Greg Thelen <gthelen@google.com> CC: Johannes Weiner <jweiner@redhat.com> CC: David S. Miller <davem@davemloft.net> Conflicts: Documentation/cgroups/memory.txt mm/memcontrol.c Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-22rps: fix insufficient bounds checking in store_rps_dev_flow_table_cnt()Xi Wang
Setting a large rps_flow_cnt like (1 << 30) on 32-bit platform will cause a kernel oops due to insufficient bounds checking. if (count > 1<<30) { /* Enforce a limit to prevent overflow */ return -EINVAL; } count = roundup_pow_of_two(count); table = vmalloc(RPS_DEV_FLOW_TABLE_SIZE(count)); Note that the macro RPS_DEV_FLOW_TABLE_SIZE(count) is defined as: ... + (count * sizeof(struct rps_dev_flow)) where sizeof(struct rps_dev_flow) is 8. (1 << 30) * 8 will overflow 32 bits. This patch replaces the magic number (1 << 30) with a symbolic bound. Suggested-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Xi Wang <xi.wang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-22net: introduce DST_NOPEER dst flagEric Dumazet
Chris Boot reported crashes occurring in ipv6_select_ident(). [ 461.457562] RIP: 0010:[<ffffffff812dde61>] [<ffffffff812dde61>] ipv6_select_ident+0x31/0xa7 [ 461.578229] Call Trace: [ 461.580742] <IRQ> [ 461.582870] [<ffffffff812efa7f>] ? udp6_ufo_fragment+0x124/0x1a2 [ 461.589054] [<ffffffff812dbfe0>] ? ipv6_gso_segment+0xc0/0x155 [ 461.595140] [<ffffffff812700c6>] ? skb_gso_segment+0x208/0x28b [ 461.601198] [<ffffffffa03f236b>] ? ipv6_confirm+0x146/0x15e [nf_conntrack_ipv6] [ 461.608786] [<ffffffff81291c4d>] ? nf_iterate+0x41/0x77 [ 461.614227] [<ffffffff81271d64>] ? dev_hard_start_xmit+0x357/0x543 [ 461.620659] [<ffffffff81291cf6>] ? nf_hook_slow+0x73/0x111 [ 461.626440] [<ffffffffa0379745>] ? br_parse_ip_options+0x19a/0x19a [bridge] [ 461.633581] [<ffffffff812722ff>] ? dev_queue_xmit+0x3af/0x459 [ 461.639577] [<ffffffffa03747d2>] ? br_dev_queue_push_xmit+0x72/0x76 [bridge] [ 461.646887] [<ffffffffa03791e3>] ? br_nf_post_routing+0x17d/0x18f [bridge] [ 461.653997] [<ffffffff81291c4d>] ? nf_iterate+0x41/0x77 [ 461.659473] [<ffffffffa0374760>] ? br_flood+0xfa/0xfa [bridge] [ 461.665485] [<ffffffff81291cf6>] ? nf_hook_slow+0x73/0x111 [ 461.671234] [<ffffffffa0374760>] ? br_flood+0xfa/0xfa [bridge] [ 461.677299] [<ffffffffa0379215>] ? nf_bridge_update_protocol+0x20/0x20 [bridge] [ 461.684891] [<ffffffffa03bb0e5>] ? nf_ct_zone+0xa/0x17 [nf_conntrack] [ 461.691520] [<ffffffffa0374760>] ? br_flood+0xfa/0xfa [bridge] [ 461.697572] [<ffffffffa0374812>] ? NF_HOOK.constprop.8+0x3c/0x56 [bridge] [ 461.704616] [<ffffffffa0379031>] ? nf_bridge_push_encap_header+0x1c/0x26 [bridge] [ 461.712329] [<ffffffffa037929f>] ? br_nf_forward_finish+0x8a/0x95 [bridge] [ 461.719490] [<ffffffffa037900a>] ? nf_bridge_pull_encap_header+0x1c/0x27 [bridge] [ 461.727223] [<ffffffffa0379974>] ? br_nf_forward_ip+0x1c0/0x1d4 [bridge] [ 461.734292] [<ffffffff81291c4d>] ? nf_iterate+0x41/0x77 [ 461.739758] [<ffffffffa03748cc>] ? __br_deliver+0xa0/0xa0 [bridge] [ 461.746203] [<ffffffff81291cf6>] ? nf_hook_slow+0x73/0x111 [ 461.751950] [<ffffffffa03748cc>] ? __br_deliver+0xa0/0xa0 [bridge] [ 461.758378] [<ffffffffa037533a>] ? NF_HOOK.constprop.4+0x56/0x56 [bridge] This is caused by bridge netfilter special dst_entry (fake_rtable), a special shared entry, where attaching an inetpeer makes no sense. Problem is present since commit 87c48fa3b46 (ipv6: make fragment identifications less predictable) Introduce DST_NOPEER dst flag and make sure ipv6_select_ident() and __ip_select_ident() fallback to the 'no peer attached' handling. Reported-by: Chris Boot <bootc@bootc.net> Tested-by: Chris Boot <bootc@bootc.net> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-22mqprio: Avoid panic if no options are providedThomas Graf
Userspace may not provide TCA_OPTIONS, in fact tc currently does so not do so if no arguments are specified on the command line. Return EINVAL instead of panicing. Signed-off-by: Thomas Graf <tgraf@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-22bridge: provide a mtu() method for fake_dst_opsEric Dumazet
Commit 618f9bc74a039da76 (net: Move mtu handling down to the protocol depended handlers) forgot the bridge netfilter case, adding a NULL dereference in ip_fragment(). Reported-by: Chris Boot <bootc@bootc.net> CC: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-23USB: Add Samsung Exynos OHCI diverJingoo Han
This patch adds USB OHCI driver for Samsung EXYNOS SoCs. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: EXYNOS: Add USB OHCI support to SMDKV310 boardJingoo Han
Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: EXYNOS: Add USB OHCI deviceJingoo Han
Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S3C64XX: Modified according to SPI consolidation workPadmavathi Venna
As SPI platform devices are consolidated to plat-samsung, some corresponding changes are required in the s3c6410 varient SoCs. Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S5PV210: Modified files for SPI consolidation workPadmavathi Venna
As SPI platform devices are consolidated to plat-samsung, some corresponding changes are required in the respective machine folder. Added SPI Setup file for GPIO configurations and platform data initialization. Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S5P64X0: Modified files for SPI consolidation workPadmavathi Venna
As SPI platform devices are consolidated to plat-samsung, some corresponding changes are required in the respective machine folder. Added SPI Setup file for GPIO configurations and platform data initialization. Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S5PC100: Modified files for SPI consolidation workPadmavathi Venna
As SPI platform devices are consolidated to plat-samsung, some corresponding changes are required in the respective machine folder. Added SPI Setup file for GPIO configurations and platform data initialization. Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S3C64XX: Modified files for SPI consolidation workPadmavathi Venna
As SPI platform devices are consolidated to plat-samsung, some corresponding changes are required in the respective machine folder. Setup files are added for SPI GPIO configurations and platform data initialization. Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: SAMSUNG: Consolidation of SPI platform devices to plat-samsungPadmavathi Venna
SPI platform device definitions consolidated from respective machine folder to plat-samsung Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: SAMSUNG: Remove SPI bus clocks from platform dataPadmavathi Venna
SPI bus clocks can be avoided passing through platform data as spi driver is getting the bus clock using the generic clock connection id registered via clkdev. Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S5PV210: Add SPI clkdev supportPadmavathi Venna
Registered the SPI bus clocks with clkdev using generic connection id. Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S5P64X0: Add SPI clkdev supportPadmavathi Venna
Registered the SPI bus clocks with clkdev using generic connection id. Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S5PC100: Add SPI clkdev supportPadmavathi Venna
Registered the SPI bus clocks with clkdev using generic connection id. Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S3C64XX: Add SPI clkdev supportPadmavathi Venna
Registered the SPI bus clocks with clkdev using generic connection id. Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23spi/s3c64xx: Use bus clocks created using clkdevPadmavathi Venna
This patch modifies the driver to stop depending on the clock names being passed from platform and switch over to lookup clocks generic names using clkdev Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23mmc: sdhci-s3c: Use generic clock names for sdhci bus clock optionsRajeshwari Shinde
This patch modifies the driver to stop depending on the clock names being passed from the platform and switch over to bus clock lookup using generic clock names. Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com> Acked-by: Chris Ball <cjb@laptop.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: SAMSUNG: Add lookup of sdhci-s3c clocks using generic namesRajeshwari Shinde
Add support for lookup of sdhci-s3c controller clocks using generic names for s3c2416, s3c64xx, s5pc100, s5pv210 and exynos4 SoC's. Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com> [kgene.kim@samsung.com: fixed trailing whitespace] Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: SAMSUNG: Remove SDHCI bus clocks from platform dataRajeshwari Shinde
The bus clocks previously sent through platform data to SDHCI controller are removed. Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: dts: Add intial dts file for EXYNOS4210 SoC, SMDKV310 and ORIGENThomas Abraham
Add initial dts file for EXYNOS4210 SoC. This dts file describes the SoC specific devices and properties. Along with this, add dts file for Samsung's SMDKV310 board and Insignal's ORIGEN board which uses the EXYNOS4210 dts file and extends it to describe the board specific properties. Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: EXYNOS: Add Exynos4 device tree enabled board fileThomas Abraham
Add a new EXYNOS4 compatible device tree enabled board file. Boards based on the EXYNOS4 family of SoC's can use this as the machine/board file. When using this machine fike, a corresponding device tree blob which describes the board's properties should be supplied at boot time to the kernel. Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23rtc: rtc-s3c: Add device tree supportThomas Abraham
Add device tree based discovery support for Samsung's rtc controller. Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23input: samsung-keypad: Add device tree supportThomas Abraham
Add device tree based discovery support for Samsung's keypad controller. Cc: Joonyoung Shim <jy0922.shim@samsung.com> Cc: Donghwa Lee <dh09.lee@samsung.com> Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S5PV210: Modify platform data for pl330 driverThomas Abraham
With the 'struct dma_pl330_peri' removed, the platfrom data for dma driver can be simplified to a simple list of peripheral request ids. Cc: Jassi Brar <jassisinghbrar@gmail.com> Acked-by: Boojin Kim <boojin.kim@samsung.com> Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S5PC100: Modify platform data for pl330 driverThomas Abraham
With the 'struct dma_pl330_peri' removed, the platfrom data for dma driver can be simplified to a simple list of peripheral request ids. Cc: Jassi Brar <jassisinghbrar@gmail.com> Acked-by: Boojin Kim <boojin.kim@samsung.com> Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: S5P64x0: Modify platform data for pl330 driverThomas Abraham
With the 'struct dma_pl330_peri' removed, the platfrom data for dma driver can be simplified to a simple list of peripheral request ids. Cc: Jassi Brar <jassisinghbrar@gmail.com> Cc: Boojin Kim <boojin.kim@samsung.com> Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: EXYNOS: Add a alias for pdma clocksThomas Abraham
PDMA controllers when instantiated from device tree are registered using amba_device_register(). The registration process enables clock to the controllers to read the peripheral id of the PDMA amba device. In case of Exynos4, the clocks to the PDMA controllers are named as 'dma' but amba_device_register() looks up the clock using the name 'apb_pclk'. Hence, alias clocks with name 'apb_pclk' clock are created for clocks with name 'dma'. Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-12-23ARM: EXYNOS: Limit usage of pl330 device instance to non-dt buildThomas Abraham
The pl330 device instances and associated platform data is required only for non-device-tree builds. With device tree enabled, the data about the platform is obtained from the device tree. For images that include both dt and non-dt platforms, an addditional check is added to ensure that static amba device registrations is applicable to only non-dt platforms. Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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