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Remy Bohmer eba1f2fc75 Make usb-stop() safe to call multiple times in a row. 
A recent commit (936897d4d1)
enabled the usb_stop() command in common/cmd_bootm.c which was
not enabled for some time, because no board did actually set the
CFG_CMD_USB flag. So, now the usb_stop() is executed before
loading the linux kernel.

However, the usb_ohci driver hangs up (at least on AT91SAM) if the
driver is stopped twice (e.g. the peripheral clock is stopped on AT91).
If some other piece of code calls usb_stop() before the bootm command,
this command will hangup the system during boot.
(usb start and stop is typically used while booting from usb memory stick)

But, stopping the usb stack twice is useless anyway, and a flag already
existed that kept track on the usb_init()/usb_stop() calls.
So, we now check if the usb stack is really started before we stop it.

This problem is now fixed in both the upper as low-level layer.

Signed-off-by: Remy Bohmer <linux@bohmer.net>
Acked-by: Markus Klotzbuecher <mk@denx.de>
 		2008-09-09 16:59:25 +02:00
..
ACEX1K.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
Makefile Makefile: fix bug introduced by commit 47ffd6c2 2008-09-09 16:55:47 +02:00
altera.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
bedbug.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
circbuf.c Add support for Siemens SX1 mobile phone; 2004-03-12 00:14:09 +00:00
cmd_ambapp.c Coding Style cleanup; update CHANGELOG 2008-04-13 09:59:26 -07:00
cmd_autoscript.c autoscript: Move conditional compilation to Makefile 2008-08-29 21:53:37 +02:00
cmd_bdinfo.c Fix merge problems 2008-08-06 14:05:38 +02:00
cmd_bedbug.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_bmp.c Fix compilation problem in common/cmd_bmp.c 2008-01-12 00:35:48 +01:00
cmd_boot.c allow ports to override go behavior 2008-04-18 00:31:41 -07:00
cmd_bootldr.c Blackfin: move bootldr command to common code 2008-03-15 22:13:58 -04:00
cmd_bootm.c FIT: make iminfo check hashes of all images in FIT, return 1 on failed check 2008-09-09 15:58:57 +02:00
cmd_cache.c common/: Remove lingering references to CFG_CMD_* symbols. 2007-07-10 11:02:44 -05:00
cmd_console.c devices: merge to list_head 2008-08-31 04:24:55 +02:00
cmd_cplbinfo.c Blackfin: new cplbinfo command for viewing cplb tables 2008-03-15 22:14:54 -04:00
cmd_date.c rtc: allow rtc_set to return an error and use it in cmd_date 2008-09-07 00:56:36 +02:00
cmd_dcr.c Big white-space cleanup. 2008-05-21 00:14:08 +02:00
cmd_df.c SPI API improvements 2008-06-03 20:28:50 +02:00
cmd_diag.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_display.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_doc.c Whitespace cleanup and marking broken code. 2008-08-12 11:31:17 -05:00
cmd_dtt.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_eeprom.c common/: Remove lingering references to CFG_CMD_* symbols. 2007-07-10 11:02:44 -05:00
cmd_elf.c allow ports to override bootelf behavior 2008-04-18 00:30:42 -07:00
cmd_ext2.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_fat.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_fdc.c Code cleanup: fix old style assignment ambiguities like "=-" etc. 2008-07-14 15:19:07 +02:00
cmd_fdos.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_fdt.c fdt: Added resize command 2008-08-26 23:45:47 +02:00
cmd_flash.c Fix merge problems 2008-08-06 14:05:38 +02:00
cmd_fpga.c Code cleanup: fix old style assignment ambiguities like "=-" etc. 2008-07-14 15:19:07 +02:00
cmd_i2c.c mod_i2c_mem() bugfix 2008-08-21 01:35:09 +02:00
cmd_ide.c Fix typo in spelling of ATAPI. 2008-08-21 01:33:58 +02:00
cmd_immap.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_irq.c Add command to enable/disable interrupts 2008-08-21 00:53:02 +02:00
cmd_itest.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_jffs2.c Add JFFS2 command support on OneNAND 2008-09-06 22:50:08 +02:00
cmd_license.c Add 'license' command to U-Boot command line 2008-08-18 23:21:49 +02:00
cmd_load.c loads: allow negative offsets 2008-09-06 01:57:18 +02:00
cmd_log.c Avoid initrd and logbuffer area overlaps 2008-06-03 19:34:19 +02:00
cmd_mac.c FSL: Fix common EEPROM_data structure definition 2008-01-17 12:26:56 -06:00
cmd_mem.c cmd_mem.c: Fix help message alignment 2008-08-26 13:14:34 +02:00
cmd_mfsl.c Fix merge problems 2008-08-06 14:05:38 +02:00
cmd_mii.c Add CONFIG_MII_INIT support to related boards 2008-04-13 23:03:02 -07:00
cmd_misc.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_mmc.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_mp.c 85xx: Rename CONFIG_NR_CPUS to CONFIG_NUM_CPUS 2008-08-12 00:09:29 +02:00
cmd_nand.c Coding Style cleanup, update CHANGELOG 2008-08-14 14:41:06 +02:00
cmd_net.c Standardize bootp, tftpboot, rarpboot, dhcp, and nfs command descriptions 2008-08-26 22:46:23 -07:00
cmd_nvedit.c Fix some more printf() format problems. 2008-07-13 19:51:00 +02:00
cmd_onenand.c Fix OneNAND read_oob/write_oob functions compatability 2008-08-21 13:50:20 -05:00
cmd_otp.c interface to Blackfin on-chip One-Time-Programmable memory 2008-02-04 19:26:57 -05:00
cmd_pci.c Big white-space cleanup. 2008-05-21 00:14:08 +02:00
cmd_pcmcia.c common/cmd_[p-x]*: Remove obsolete references to CONFIG_COMMANDS. 2007-07-08 18:05:39 -05:00
cmd_portio.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_reginfo.c ppc4xx: Consolidate PPC4xx UIC defines 2008-07-11 13:18:14 +02:00
cmd_reiser.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_sata.c ata: add the support for SATA framework 2008-03-26 23:38:51 +01:00
cmd_scsi.c Code cleanup: fix old style assignment ambiguities like "=-" etc. 2008-07-14 15:19:07 +02:00
cmd_setexpr.c Add setexpr command 2008-03-25 22:16:15 +01:00
cmd_sf.c SPI Flash: Add "sf" command 2008-06-03 20:32:25 +02:00
cmd_spi.c SPI API improvements 2008-06-03 20:28:50 +02:00
cmd_strings.c new command for displaying strings at specified memory locations 2008-02-04 19:26:57 -05:00
cmd_terminal.c devices: merge to list_head 2008-08-31 04:24:55 +02:00
cmd_universe.c [BUILD] conditionally compile common/cmd_*.c in common/Makefile 2007-11-20 22:33:54 -07:00
cmd_usb.c Code cleanup: fix old style assignment ambiguities like "=-" etc. 2008-07-14 15:19:07 +02:00
cmd_vfd.c Big white-space cleanup. 2008-05-21 00:14:08 +02:00
cmd_ximg.c Memory footprint optimizations 2008-04-24 17:21:55 +02:00
cmd_yaffs2.c Minor coding style cleanup, updte CHANGELOG 2008-08-25 23:45:41 +02:00
command.c Big white-space cleanup. 2008-05-21 00:14:08 +02:00
console.c Allow console input to be disabled 2008-09-06 22:36:54 +02:00
cyclon2.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
ddr_spd.c Add proper SPD definitions for DDR1/2/3 2008-08-27 02:05:53 +02:00
devices.c devices: Use list_add_tail() instead of list_add() to register a device 2008-09-05 13:27:01 +02:00
dlmalloc.c Fix merge problems 2008-08-06 14:05:38 +02:00
dlmalloc.src * Code cleanup: 2003-06-27 21:31:46 +00:00
docecc.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
env_common.c Remove code duplication for setting the default environment 2008-07-10 00:28:20 +02:00
env_dataflash.c Big white-space cleanup. 2008-05-21 00:14:08 +02:00
env_eeprom.c environment: cleanup prototype declarations of env functions. 2008-05-14 12:22:49 +02:00
env_flash.c fix building when saveenv is disabled in some setups 2008-05-04 00:22:45 +02:00
env_nand.c NAND: Do not write or read a whole block if it is larger than the environment 2008-08-12 11:31:29 -05:00
env_nowhere.c GCC-4.x fixes: clean up global data pointer initialization for all boards. 2006-03-31 18:32:53 +02:00
env_nvram.c environment: cleanup prototype declarations of env functions. 2008-05-14 12:22:49 +02:00
env_onenand.c Fix OneNAND build break 2008-08-13 11:00:19 -05:00
env_sf.c Change CFG_ENV_SIZE to CFG_ENV_SECT_SIZE for SPI sector erase 2008-08-14 12:31:56 -06:00
environment.c fix building on Blackfin as the assembler supports the .set syntax, not the = syntax, for assigning symbols 2008-02-04 19:26:54 -05:00
exports.c Add functions to list of exported functions 2007-08-06 00:45:40 +02:00
fdt_support.c fdt: refactor initrd related code 2008-08-26 23:45:20 +02:00
flash.c Code cleanup: fix old style assignment ambiguities like "=-" etc. 2008-07-14 15:19:07 +02:00
fpga.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
hush.c hush: Fix printf debug macro in hush.c so that it usable in U-Boot 2008-08-21 02:05:03 +02:00
image.c FIT: add ability to check hashes of all images in FIT, improve output 2008-09-09 15:58:11 +02:00
kgdb.c common/kgdb.c: fix 'dereferencing type-punned pointer' warning 2008-03-09 10:33:31 +01:00
lcd.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
lynxkdi.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
main.c Fix merge problems 2008-08-06 14:05:38 +02:00
memsize.c Sequential accesses to non-existent memory must be synchronized, 2006-11-06 17:06:36 +01:00
miiphyutil.c miiphyutil: Move conditional compilation to Makefile 2008-08-29 21:53:56 +02:00
s_record.c Initial revision 2002-08-17 09:36:01 +00:00
serial.c ARM: s3c24xx: Multiple serial port support 2008-02-04 23:52:49 +01:00
spartan2.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
spartan3.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
stratixII.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
usb.c Make usb-stop() safe to call multiple times in a row. 2008-09-09 16:59:25 +02:00
usb_kbd.c devices: merge to list_head 2008-08-31 04:24:55 +02:00
usb_storage.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
virtex2.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
xilinx.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
xyzModem.c Coding Style cleanup. 2006-08-31 16:46:53 +02:00