diff options
author | Ondrej Zary <linux@rainbow-software.org> | 2007-11-14 16:59:24 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-14 18:45:39 -0800 |
commit | e62aa046e1748b8ea0354951685478030392cf56 (patch) | |
tree | 075f0698a025da5518d70ad90336d42aa09ffb52 /drivers/isdn/Kconfig | |
parent | ba0a7f39ce8cd54a1b2f3adb03509ff251a91bde (diff) |
paride: pf driver fixes
The pf driver for parallel port floppy drives seems to be broken. At least
with Imation SuperDisk with EPAT chip, the driver calls pi_connect() and
pi_disconnect after each transferred sector. At least with EPAT, this
operation is very expensive - causes drive recalibration. Thus, transferring
even a single byte (dd if=/dev/pf0 of=/dev/null bs=1 count=1) takes 20
seconds, making the driver useless.
The pf_next_buf() function seems to be broken as it returns 1 always (except
when pf_run is non-zero), causing the loop in do_pf_read_drq (and
do_pf_write_drq) to be executed only once.
The following patch fixes this problem. It also fixes swapped descriptions in
pf_lock() function and removes DBMSG macro, which seems useless.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/isdn/Kconfig')
0 files changed, 0 insertions, 0 deletions