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2007-04-30ieee1394: more help in KconfigStefan Richter
- s/Device Drivers/Controllers/ - clarify who needs pcilynx - don't recommend Y for raw1394; M is typically used Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: ohci1394: Fix mistake in printk message.Simon Arlott
Fix the "attempting to setting" message in ohci1394. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: ohci1394: remove unnecessary rcvPhyPkt bit flipping in LinkControl ↵Bernhard Kauer
register Remove the unneeded code that clears, sets and again clears the rcvPhyPkt bit in the ohci1394 LinkControl register in ohci_initialize(). Signed-off-by: Bernhard Kauer <kauer@os.inf.tu-dresden.de> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: ohci1394: fix cosmetic problem in error loggingStefan Richter
If posted write failed, an "Unhandled interrupt(s) 0x00000100" message was logged by mistake. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: send async streams at S100 on 1394b busesStefan Richter
eth1394 did not work on buses consisting of S100B...S400B hardware because it attempted to send GASP packets at S800. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: fix error path in module_initAkinobu Mita
This patch fixes some error handlings in eth1394: - check return value of kmem_cache_create() - cleanup resources if hpsb_register_protocol() fails Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (whitespace)
2007-04-30ieee1394: eth1394: correct return codes in hard_start_xmitStefan Richter
This patch actually doesn't change anything because there was always 0 == NETDEV_TX_OK returned before. TODO: Return NETDEV_TX_BUSY in error case and test in different error conditions. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: hard_start_xmit is called in atomic contextStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: some conditions are unlikelyStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: clean up fragment_overlapStefan Richter
offset > fi->offset + fi->len - 1 == !(offset < fi->offset + fi->len) offset + len - 1 < fi->offset == !(offset + len > fi->offset) !(A || B) == (!A && !B) Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: don't use alloc_etherdevStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: omit useless set_mac_address callbackStefan Richter
We can't reconfigure the MAC address, hence we don't need the callback. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: CONFIG_INET is always definedStefan Richter
because CONFIG_IEEE1394_ETH1394 depends on it. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: allow MTU bigger than 1500Stefan Richter
RFC 2734 says: "IP-capable nodes may operate with an MTU size larger than the default [1500 octets], but the means by which a larger MTU is configured are beyond the scope of this document." Allow users to set an MTU bigger than 1500. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: unexport highlevel_host_resetAdrian Bunk
highlevel_host_reset no longer has any modular users. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: contain host resetStefan Richter
Call only eth1394's own host reset handler from .tx_timeout, not the reset hooks of all other IEEE 1394 drivers. A minor drawback of this patch is that ether1394_host_reset by timeout is not serialized against ether1394_host_reset by bus reset. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: shorter error messagesStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: correct a memset argumentStefan Richter
The old argument calculated the correct value in a wrong way. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: refactor .probe and .updateStefan Richter
Move common code into an extra function. This implicitly adds a missing node_info->fifo = CSR1212_INVALID_ADDR_SPACE; to .update. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: .probe and .update may sleepStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: coding styleStefan Richter
Adjust white space and line wraps. Remove unnecessary parentheses and braces, unused macros, and some of the more redundant comments. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: Move common recv_init code to helper functionJean Delvare
There is some common code between ether1394_open and ether1394_add_host which can be moved to a separate helper function for a slightly smaller eth1394 driver (-160 bytes on i386.) Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: don't autoload by hotplug when ohci1394 startsStefan Richter
Until now, ieee1394 put an IP-over-1394 capability entry into each new host's config ROM. As soon as the controller was initialized --- i.e. right after modprobe ohci1394 --- this entry triggered a hotplug event which typically caused auto-loading of eth1394. This irritated or annoyed many users and distributors. Of course they could blacklist eth1394, but then ieee1394 wrongly advertized IP-over- 1394 capability to the FireWire bus. Therefore - remove the offending kernel config option IEEE1394_CONFIG_ROM_IP1394, - let eth1394 add the ROM entry by itself, i.e. only after eth1394 was loaded. This fixes http://bugzilla.kernel.org/show_bug.cgi?id=7793 . To emulate the behaviour of older kernels, simply add the following to to /etc/modprobe.conf: install ohci1394 /sbin/modprobe eth1394; \ /sbin/modprobe --ignore-install ohci1394 Note, autoloading of eth1394 when an _external_ IP-over-1394 capable device is discovered is _not_ affected by this patch. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: reduce excessive function inliningStefan Richter
Shrinks eth1394.ko by about 5%. Many of these functions have only one caller and are therefore auto- inlined anyway. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: clean up host removalStefan Richter
ether1394_add_host() guarantees that hi->dev != NULL if hi != NULL. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: eth1394: unregister address space in failure caseStefan Richter
Warn if hpsb_allocate_and_register_addrspace() failed. Unregister the address space if something else failed. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: send async streams at S100Stefan Richter
The comment says it all. This affects only asynchronous streams sent via raw1394; the eth1394 driver has own code and needs an own fix. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: SPIN_LOCK_UNLOCKED cleanupMilind Arun Choudhary
SPIN_LOCK_UNLOCKED cleanup,use DEFINE_SPINLOCK instead Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: nodemgr: unify some error messagesStefan Richter
Shrinks object file size a little bit. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: nodemgr: less noise in dmesgStefan Richter
Everytime when eth1394 or a libraw1394 client updates the configuration ROM, a certain sysfs attribute cannot be added since it already exists. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: unroll a weird macroStefan Richter
This is a coding style touch-up for ieee1394's handle_incoming_packet(). A preprocessor macro contained hardwired variable names and, even worse, the 'break' keyword. This macro is now unrolled and removed. Also, all 'break's which had the effect of a return are replaced by return. And a FIXME comment is brought up to date. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: iso.c needs sched.hAndrew Morton
alpha: drivers/ieee1394/iso.c: In function 'hpsb_iso_xmit_sync': drivers/ieee1394/iso.c:440: error: invalid use of undefined type 'struct task_struct' drivers/ieee1394/iso.c:440: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function) drivers/ieee1394/iso.c:440: error: (Each undeclared identifier is reported only once drivers/ieee1394/iso.c:440: error: for each function it appears in.) drivers/ieee1394/iso.c:440: warning: implicit declaration of function 'signal_pending' drivers/ieee1394/iso.c:440: error: invalid use of undefined type 'struct task_struct' drivers/ieee1394/iso.c:440: warning: implicit declaration of function 'schedule' drivers/ieee1394/iso.c: In function 'hpsb_iso_wake': drivers/ieee1394/iso.c:562: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function) Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (brought into alphabetic order)
2007-04-30ieee1394: some more includesStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: ieee1394_transactions needs sched.hTorsten Kaiser
drivers/ieee1394/ieee1394_transactions.c fails for me if CONFIG_SMP=n gcc complains: CC drivers/ieee1394/ieee1394_transactions.o drivers/ieee1394/ieee1394_transactions.c: In function 'hpsb_get_tlabel': drivers/ieee1394/ieee1394_transactions.c:183: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function) drivers/ieee1394/ieee1394_transactions.c:183: error: (Each undeclared identifier is reported only once Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (added comment)
2007-04-30ieee1394: ieee1394_core printk formatRandy Dunlap
Fix printk format string: drivers/ieee1394/ieee1394_core.c:702: warning: format '%d' expects type 'int', but argument 2 has type 'size_t' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: remove usage of skb_queue as packet queueStefan Richter
This considerably reduces the memory requirements for a packet and eliminates ieee1394's dependency on CONFIG_NET. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: csr1212: log if devices have CRC errors in their ROMStefan Richter
This will point out firmware bugs. I tested with 11 SBP-2 devices and one OS X PC and got these errors from two old CD-RWs only. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: csr1212: more sensible names for jump targetsStefan Richter
Code beneath two labels called "fail" is actually also reached in case of success. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: csr1212: warn on unreachable codeStefan Richter
We want bugs to show themselves. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: shrink csr1212_new_string_descriptor_leafStefan Richter
Make unnecessarily generic code specific and thus simpler. Shrink a lookup table from 128 to 16 bytes. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: csr1212: coding styleStefan Richter
Whitespace, line breaks, braces... Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: replace vmalloc by kmalloc in csr1212Stefan Richter
The biggest chunk ever allocated by CSR1212_MALLOC is 1024 Bytes + sizeof(struct csr1212_csr_rom_cache) big. Most of the time much smaller data structures are allocated. Therefore vmalloc is a waste. The one exception is csr1212_append_new_cache() which is called to append a chunk of CSR1212_EXTENDED_ROM_SIZE + sizeof(struct csr1212_csr_rom_cache) if the currently allocated ROM cache is too small. CSR1212_EXTENDED_ROM_SIZE is generously defined as 256 kBytes. In SVN commit 1220, Steve Kinneberg lowered this to 2 kBytes in the config_rom_2.4 branch. This same commit also switched CSR1212_MALLOC from kmalloc to vmalloc in the SVN trunk branch: > r1220 | kberg | 2004-05-31 01:51:44 +0200 (Mon, 31 May 2004) | 13 lines > > CSR1212 Extended ROM bug fixes: > trunk line changes: > - Use vmalloc instead of kmalloc > - Change delayed_reset_bus() to operate in a work_queue instead of a > timer interrupt. > - Fix hpsb_allocate_and_register_addrspace() to not allocate space > on top of already allocated space. > - Fix problems in csr1212.c filling ConfigROM images when extend > ROMs are present. > config-rom-2.4 changes: > - Changed extended rom allocation from 256K to 8K. (It was actually 2 kB, not 8 kB.) > - Fix hpsb_allocate_and_register_addrspace() to not allocate space > on top of already allocated space. > - Fix problems in csr1212.c filling ConfigROM images when extend > ROMs are present. I am now setting CSR1212_EXTENDED_ROM_SIZE to 2 kB minus the overhead of struct csr1212_csr_rom_cache. Note, this code path is not used by the in-kernel drivers though. raw1394 could trigger it, but the respective libraw1394 functions don't exist yet. Furthermore, userspace programs can replace the entire local ROM via raw1394. If kmalloc does not fulfill their needs --- well, tough luck. I decree that nobody needs such huge extended ROMs. (Extended ROMs are defined by IEEE 1212 clause 7.7.18. The spec does not impose practically relevant restrictions on the size of extended ROM chunks.) Another potentially demanding use of CSR1212_MALLOC is if external FireWire devices come with Extended ROM entries. If they are too big for kmalloc (or have been too big for vmalloc) we just fail to read their ROM. This is quite unlikely though, to my knowledge. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: de-inline some functionsStefan Richter
This small reorganization of public csr1212 functions saves one exported symbol and a few bytes in the driver modules. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: stricter error checks in csr1212Stefan Richter
return -EINVAL becomes BUG_ON in checks of function call parameters. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: csr1212: rename some typesStefan Richter
Use u8, u32 etc. instead of u_int8_t, csr1212_quad_t etc. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: drop csr1212's support for external compilationStefan Richter
csr1212 was written to be compiled either as part of the ieee1394 kernel driver or of an anticipated IEEE 1212 userspace library. We now drop support for the latter. The costs in terms of code footprint and depth of abstraction are not countered by any actual benefit. Also remove some obsolete #includes. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: remove unused csr1212 codeStefan Richter
Delete unused code. Make some extern functions static. Remove superfluous inline keywords. Move private definitions from csr1212.h to csr1212.c. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: small header cleanupStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: move some comments from declaration to definitionStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30ieee1394: remove declarations of nonexisting functionsStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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