From: Borislav Petkov Date: Sun, 26 Apr 2009 14:33:34 +0000 (+0200) Subject: libata: fix suspend/resume for ATA SEMB devices X-Git-Tag: linux-omap-v2.6.30-rc6~38^2~3 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0d0613dedda4891ecb1977e4d02bf9be93882a3;p=pandora-kernel.git libata: fix suspend/resume for ATA SEMB devices 79b42babbac2a5a522b8e269fb2811b6e1063030 fixed identifying ATA devices reporting 3c/c3 signature which belongs to SEMB devices now. However, suspending the machine with such device (WDC WD2500AAJS-6 01.0) fails with the following: hda: host max PIO4 wanted PIO255(auto-tune) selected PIO4 hda: UDMA/100 mode selected hdb: host max PIO4 wanted PIO255(auto-tune) selected PIO4 hdb: UDMA/66 mode selected sd 1:0:0:0: [sda] Starting disk ata5: SATA link down (SStatus 0 SControl 300) ata1: SATA link down (SStatus 0 SControl 300) ata3: SATA link down (SStatus 0 SControl 300) ata6: SATA link down (SStatus 0 SControl 300) ata2: softreset failed (device not ready) ata2: failed due to HW bug, retry pmp=0 ata4: softreset failed (device not ready) ata4: failed due to HW bug, retry pmp=0 ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata2.00: class mismatch 1 != 7 ata2.00: revalidation failed (errno=-19) ata2: limiting SATA link speed to 1.5 Gbps ata4.00: configured for UDMA/133 ata2: softreset failed (device not ready) ata2: failed due to HW bug, retry pmp=0 ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) ata2.00: class mismatch 1 != 7 ata2.00: revalidation failed (errno=-19) ata2.00: disabled sd 1:0:0:0: rejecting I/O to offline device sd 1:0:0:0: [sda] START_STOP FAILED sd 1:0:0:0: [sda] Result: hostbyte=0x01 driverbyte=0x00 PM: Device 1:0:0:0 failed to thaw: error 65536 sd 3:0:0:0: [sdb] Starting disk due to a class mismatch in ata_dev_revalidate(). Fix it by adding the ATA_DEV_SEMB device class to the check. CC: Tejun Heo Signed-off-by: Borislav Petkov Signed-off-by: Jeff Garzik --- Reading git-diff-tree failed