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From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
To: Tejun Heo <tj@kernel.org>
Cc: Sekhar Nori <nsekhar@ti.com>,
	Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
	Kevin Hilman <khilman@baylibre.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Russell King <linux@arm.linux.org.uk>,
	Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>,
	linux-ide@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, b.zolnierkie@samsung.com
Subject: [PATCH v3 3/5] pata_bk3710: clear status bits of BMISP on chipset initialization
Date: Wed, 22 Mar 2017 19:21:00 +0100	[thread overview]
Message-ID: <1490206862-26065-4-git-send-email-b.zolnierkie@samsung.com> (raw)
In-Reply-To: <1490206862-26065-1-git-send-email-b.zolnierkie@samsung.com>

Clear IORDYINT, INTRSTAT and DMAERROR bits of BMISP register
(value '1' needs to be written to the bit to clear it).

Suggested-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---
 drivers/ata/pata_bk3710.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ata/pata_bk3710.c b/drivers/ata/pata_bk3710.c
index f22e4bf..6c3bd5f 100644
--- a/drivers/ata/pata_bk3710.c
+++ b/drivers/ata/pata_bk3710.c
@@ -276,7 +276,7 @@ static void pata_bk3710_chipinit(void __iomem *base)
 	 * (ATA_BMISP_INTRSTAT	, CLEAR)	|
 	 * (ATA_BMISP_DMAERROR	, CLEAR)
 	 */
-	iowrite16(0, base + BK3710_BMISP);
+	iowrite16(0xE, base + BK3710_BMISP);
 
 	pata_bk3710_setpiomode(base, NULL, 0, 600, 0);
 	pata_bk3710_setpiomode(base, NULL, 1, 600, 0);
-- 
1.9.1


WARNING: multiple messages have this Message-ID (diff)
From: b.zolnierkie@samsung.com (Bartlomiej Zolnierkiewicz)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/5] pata_bk3710: clear status bits of BMISP on chipset initialization
Date: Wed, 22 Mar 2017 19:21:00 +0100	[thread overview]
Message-ID: <1490206862-26065-4-git-send-email-b.zolnierkie@samsung.com> (raw)
In-Reply-To: <1490206862-26065-1-git-send-email-b.zolnierkie@samsung.com>

Clear IORDYINT, INTRSTAT and DMAERROR bits of BMISP register
(value '1' needs to be written to the bit to clear it).

Suggested-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---
 drivers/ata/pata_bk3710.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ata/pata_bk3710.c b/drivers/ata/pata_bk3710.c
index f22e4bf..6c3bd5f 100644
--- a/drivers/ata/pata_bk3710.c
+++ b/drivers/ata/pata_bk3710.c
@@ -276,7 +276,7 @@ static void pata_bk3710_chipinit(void __iomem *base)
 	 * (ATA_BMISP_INTRSTAT	, CLEAR)	|
 	 * (ATA_BMISP_DMAERROR	, CLEAR)
 	 */
-	iowrite16(0, base + BK3710_BMISP);
+	iowrite16(0xE, base + BK3710_BMISP);
 
 	pata_bk3710_setpiomode(base, NULL, 0, 600, 0);
 	pata_bk3710_setpiomode(base, NULL, 1, 600, 0);
-- 
1.9.1

  parent reply	other threads:[~2017-03-22 18:21 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20170322182127epcas1p267b13e8c92205223458863783bdea476@epcas1p2.samsung.com>
2017-03-22 18:20 ` [PATCH v3 0/5] ATA/ARM: convert ARM/DaVinci to use libata PATA drivers Bartlomiej Zolnierkiewicz
2017-03-22 18:20   ` Bartlomiej Zolnierkiewicz
     [not found]   ` <CGME20170322182131epcas1p26b2402ec94ca08d2a6a332579a65e269@epcas1p2.samsung.com>
2017-03-22 18:20     ` [PATCH v3 1/5] ata: add Palmchip BK3710 PATA controller driver Bartlomiej Zolnierkiewicz
2017-03-22 18:20       ` Bartlomiej Zolnierkiewicz
2017-03-23 10:37       ` Sergei Shtylyov
2017-03-23 10:37         ` Sergei Shtylyov
     [not found]   ` <CGME20170322182135epcas5p3d21d7301da84a5dcb686af4f6817ded9@epcas5p3.samsung.com>
2017-03-22 18:20     ` [PATCH v3 2/5] pata_bk3710: disable IORDY Timer on chipset initialization Bartlomiej Zolnierkiewicz
2017-03-22 18:20       ` Bartlomiej Zolnierkiewicz
2017-03-23 10:38       ` Sergei Shtylyov
2017-03-23 10:38         ` Sergei Shtylyov
2017-03-23 10:38         ` Sergei Shtylyov
     [not found]   ` <CGME20170322182139epcas5p32d912444c0be8747565a4979f8744572@epcas5p3.samsung.com>
2017-03-22 18:21     ` Bartlomiej Zolnierkiewicz [this message]
2017-03-22 18:21       ` [PATCH v3 3/5] pata_bk3710: clear status bits of BMISP " Bartlomiej Zolnierkiewicz
2017-03-23 10:39       ` Sergei Shtylyov
2017-03-23 10:39         ` Sergei Shtylyov
     [not found]   ` <CGME20170322182143epcas5p3ed7e25912e24ae67b5593d2baaf63791@epcas5p3.samsung.com>
2017-03-22 18:21     ` [PATCH v3 4/5] ARM: davinci: add pata_bk3710 libata driver support Bartlomiej Zolnierkiewicz
2017-03-22 18:21       ` Bartlomiej Zolnierkiewicz
     [not found]   ` <CGME20170322182147epcas5p3037b4fd5aaf82741ae14353df7d8789d@epcas5p3.samsung.com>
2017-03-22 18:21     ` [PATCH v3 5/5] ARM: davinci_all_defconfig: convert to use libata PATA Bartlomiej Zolnierkiewicz
2017-03-22 18:21       ` Bartlomiej Zolnierkiewicz
2017-03-22 18:21       ` Bartlomiej Zolnierkiewicz
2017-03-23 13:57   ` [PATCH v3 0/5] ATA/ARM: convert ARM/DaVinci to use libata PATA drivers Sekhar Nori
2017-03-23 13:57     ` Sekhar Nori
2017-03-23 13:57     ` Sekhar Nori
2017-03-24 15:38     ` Bartlomiej Zolnierkiewicz
2017-03-24 15:38       ` Bartlomiej Zolnierkiewicz
2017-03-29 15:35       ` Tejun Heo
2017-03-29 15:35         ` Tejun Heo
2017-03-29 15:35         ` Tejun Heo
2017-03-30 11:53         ` Sekhar Nori
2017-03-30 11:53           ` Sekhar Nori
2017-03-30 11:53           ` Sekhar Nori

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