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Alan Stern 21c13a4f7b usb-storage: redo incorrect reads ... Some USB mass-storage devices have bugs that cause them not to handle the first READ(10) command they receive correctly. The Corsair Padlock v2 returns completely bogus data for its first read (possibly it returns the data in encrypted form even though the device is supposed to be unlocked). The Feiya SD/SDHC card reader fails to complete the first READ(10) command after it is plugged in or after a new card is inserted, returning a status code that indicates it thinks the command was invalid, which prevents the kernel from retrying the read. Since the first read of a new device or a new medium is for the partition sector, the kernel is unable to retrieve the device's partition table. Users have to manually issue an "hdparm -z" or "blockdev --rereadpt" command before they can access the device. This patch (as1470) works around the problem. It adds a new quirk flag, US_FL_INVALID_READ10, indicating that the first READ(10) should always be retried immediately, as should any failing READ(10) commands (provided the preceding READ(10) command succeeded, to avoid getting stuck in a loop). The patch also adds appropriate unusual_devs entries containing the new flag. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Tested-by: Sven Geggus <sven-usbst@geggus.net> Tested-by: Paul Hartman <paul.hartman+linux@gmail.com> CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net> CC: <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>		14 years ago
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Kconfig	Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6	14 years ago
Makefile	Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6	14 years ago
alauda.c	…
cypress_atacb.c	…
datafab.c	…
debug.c	…
debug.h	…
ene_ub6250.c	treewide: cleanup continuations and remove logging message whitespace	14 years ago
freecom.c	…
initializers.c	…
initializers.h	…
isd200.c	[SCSI] usb-storage: do not increment cmd->serial_number	14 years ago
jumpshot.c	…
karma.c	…
libusual.c	…
onetouch.c	…
option_ms.c	…
option_ms.h	…
protocol.c	…
protocol.h	…
realtek_cr.c	usb_storage: realtek_cr patch: add const modifier	14 years ago
scsiglue.c	Fix common misspellings	14 years ago
scsiglue.h	…
sddr09.c	…
sddr55.c	…
shuttle_usbat.c	Fix common misspellings	14 years ago
sierra_ms.c	USB: Remove delay_t unused variable from sierra_ms.c driver initialisation code	14 years ago
sierra_ms.h	…
transport.c	usb-storage: redo incorrect reads	14 years ago
transport.h	…
uas.c	Merge branch 'usb-next' into musb-merge	14 years ago
unusual_alauda.h	…
unusual_cypress.h	USB: usb-storage: unusual_devs update for Cypress ATACB	14 years ago
unusual_datafab.h	…
unusual_devs.h	usb-storage: redo incorrect reads	14 years ago
unusual_ene_ub6250.h	Staging: Merge ENE UB6250 SD card codes from keucr to drivers/usb/storage	14 years ago
unusual_freecom.h	…
unusual_isd200.h	…
unusual_jumpshot.h	…
unusual_karma.h	…
unusual_onetouch.h	…
unusual_realtek.h	usb-storage: fix up the unusual_realtek device list	14 years ago
unusual_sddr09.h	…
unusual_sddr55.h	…
unusual_usbat.h	…
usb.c	usb-storage: redo incorrect reads	14 years ago
usb.h	usb-storage: redo incorrect reads	14 years ago
usual-tables.c	Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6	14 years ago