lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Mon, 18 Jan 2010 18:13:57 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	linux-ide@...r.kernel.org
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 01/64] libata: fix CFA handling in ide_timing_compute()

From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Subject: [PATCH] libata: fix CFA handling in ide_timing_compute()

Use standard cycle timing for CFA PIO5 and PIO6 modes.

Based on commit 74638c8 for IDE subsystem.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
 drivers/ata/libata-core.c |   17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

Index: b/drivers/ata/libata-core.c
===================================================================
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3211,6 +3211,7 @@ const struct ata_timing *ata_timing_find
 int ata_timing_compute(struct ata_device *adev, unsigned short speed,
 		       struct ata_timing *t, int T, int UT)
 {
+	const u16 *id = adev->id;
 	const struct ata_timing *s;
 	struct ata_timing p;
 
@@ -3228,14 +3229,18 @@ int ata_timing_compute(struct ata_device
 	 * PIO/MW_DMA cycle timing.
 	 */
 
-	if (adev->id[ATA_ID_FIELD_VALID] & 2) {	/* EIDE drive */
+	if (id[ATA_ID_FIELD_VALID] & 2) {	/* EIDE drive */
 		memset(&p, 0, sizeof(p));
+
 		if (speed >= XFER_PIO_0 && speed <= XFER_SW_DMA_0) {
-			if (speed <= XFER_PIO_2) p.cycle = p.cyc8b = adev->id[ATA_ID_EIDE_PIO];
-					    else p.cycle = p.cyc8b = adev->id[ATA_ID_EIDE_PIO_IORDY];
-		} else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2) {
-			p.cycle = adev->id[ATA_ID_EIDE_DMA_MIN];
-		}
+			if (speed <= XFER_PIO_2)
+				p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO];
+			else if ((speed <= XFER_PIO_4) ||
+				 (speed == XFER_PIO_5 && !ata_id_is_cfa(id)))
+				p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO_IORDY];
+		} else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2)
+			p.cycle = id[ATA_ID_EIDE_DMA_MIN];
+
 		ata_timing_merge(&p, t, t, ATA_TIMING_CYCLE | ATA_TIMING_CYC8B);
 	}
 
--
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/

Powered by blists - more mailing lists