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Date: Mon, 31 Mar 2014 00:23:35 +0100 From: Ben Hutchings <ben@...adent.org.uk> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org CC: akpm@...ux-foundation.org, "" <linux-ide@...r.kernel.org>, "Tejun Heo" <tj@...nel.org>, "Denis V. Lunev" <den@...nvz.org> Subject: [PATCH 3.2 069/200] ata: enable quirk from jmicron JMB350 for JMB394 3.2.56-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: "Denis V. Lunev" <den@...nvz.org> commit efb9e0f4f43780f0ae0c6428d66bd03e805c7539 upstream. Without the patch the kernel generates the following error. ata11.15: SATA link up 1.5 Gbps (SStatus 113 SControl 310) ata11.15: Port Multiplier vendor mismatch '0x197b' != '0x123' ata11.15: PMP revalidation failed (errno=-19) ata11.15: failed to recover PMP after 5 tries, giving up This patch helps to bypass this error and the device becomes functional. Signed-off-by: Denis V. Lunev <den@...nvz.org> Signed-off-by: Tejun Heo <tj@...nel.org> Cc: <linux-ide@...r.kernel.org> Signed-off-by: Ben Hutchings <ben@...adent.org.uk> --- drivers/ata/libata-pmp.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -447,8 +447,11 @@ static void sata_pmp_quirks(struct ata_p * otherwise. Don't try hard to recover it. */ ap->pmp_link[ap->nr_pmp_links - 1].flags |= ATA_LFLAG_NO_RETRY; - } else if (vendor == 0x197b && devid == 0x2352) { - /* chip found in Thermaltake BlackX Duet, jmicron JMB350? */ + } else if (vendor == 0x197b && (devid == 0x2352 || devid == 0x0325)) { + /* + * 0x2352: found in Thermaltake BlackX Duet, jmicron JMB350? + * 0x0325: jmicron JMB394. + */ ata_for_each_link(link, ap, EDGE) { /* SRST breaks detection and disks get misclassified * LPM disabled to avoid potential problems -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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