ref: e43190dd835bacecd41f88a9d8316b879e0e952a
parent: 1179293fa7e065cd3466bc4a2eb6787d18ecee56
author: cinap_lenrek <cinap_lenrek@gmx.de>
date: Sat Mar 9 23:06:42 EST 2013
nusb/disk: add small delay after unit start command (for thinkpad sdcard reader) diskparts fails on thinkpad x200 sdcard reader if we dont give the unit some time to startup. the device took about 100ms to become ready so status poll loop with a long timeout would be overkill.
--- a/sys/src/cmd/nusb/disk/disk.c
+++ b/sys/src/cmd/nusb/disk/disk.c
@@ -345,8 +345,10 @@
if(SRready(lun) < 0 && SRready(lun) < 0 && SRready(lun) < 0)
dprint(2, "disk: lun %d not ready\n", i);
- if((lun->inquiry[0] & 0x1F) == 0)
+ if((lun->inquiry[0] & 0x1F) == 0){SRstart(lun, 1);
+ sleep(250);
+ }
/*
* we ignore the device type reported by inquiry.
--
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