All of lore.kernel.org
 help / color / mirror / Atom feed
From: Boris Brezillon <boris.brezillon@free-electrons.com>
To: Boris Brezillon <boris.brezillon@free-electrons.com>,
	Richard Weinberger <richard@nod.at>,
	linux-mtd@lists.infradead.org,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Sergio Prado <sergio.prado@e-labworks.com>,
	Marc Gonzalez <marc_gonzalez@sigmadesigns.com>,
	Wenyou Yang <wenyou.yang@atmel.com>,
	Josh Wu <rainyfeeling@outlook.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
	Brian Norris <computersforpeace@gmail.com>,
	Marek Vasut <marek.vasut@gmail.com>,
	Cyrille Pitchen <cyrille.pitchen@atmel.com>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [RESEND PATCH 3/3] mtd: nand: atmel: Add PM ops
Date: Mon, 20 Feb 2017 22:12:29 +0100	[thread overview]
Message-ID: <1487625149-7234-4-git-send-email-boris.brezillon@free-electrons.com> (raw)
In-Reply-To: <1487625149-7234-1-git-send-email-boris.brezillon@free-electrons.com>

Provide a ->resume() hook to make sure the NAND timings are correctly
restored by resetting all chips connected to the controller.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
---
 drivers/mtd/nand/atmel/nand-controller.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/mtd/nand/atmel/nand-controller.c b/drivers/mtd/nand/atmel/nand-controller.c
index ae46ef711d67..cd107e6edcbc 100644
--- a/drivers/mtd/nand/atmel/nand-controller.c
+++ b/drivers/mtd/nand/atmel/nand-controller.c
@@ -2575,6 +2575,24 @@ static int atmel_nand_controller_remove(struct platform_device *pdev)
 	return nc->caps->ops->remove(nc);
 }
 
+static int atmel_nand_controller_resume(struct device *dev)
+{
+	struct atmel_nand_controller *nc = dev_get_drvdata(dev);
+	struct atmel_nand *nand;
+
+	list_for_each_entry(nand, &nc->chips, node) {
+		int i;
+
+		for (i = 0; i < nand->numcs; i++)
+			nand_reset(&nand->base, i);
+	}
+
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(atmel_nand_controller_pm_ops, NULL,
+			 atmel_nand_controller_resume);
+
 static struct platform_driver atmel_nand_controller_driver = {
 	.driver = {
 		.name = "atmel-nand-controller",
-- 
2.7.4

WARNING: multiple messages have this Message-ID (diff)
From: boris.brezillon@free-electrons.com (Boris Brezillon)
To: linux-arm-kernel@lists.infradead.org
Subject: [RESEND PATCH 3/3] mtd: nand: atmel: Add PM ops
Date: Mon, 20 Feb 2017 22:12:29 +0100	[thread overview]
Message-ID: <1487625149-7234-4-git-send-email-boris.brezillon@free-electrons.com> (raw)
In-Reply-To: <1487625149-7234-1-git-send-email-boris.brezillon@free-electrons.com>

Provide a ->resume() hook to make sure the NAND timings are correctly
restored by resetting all chips connected to the controller.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
---
 drivers/mtd/nand/atmel/nand-controller.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/mtd/nand/atmel/nand-controller.c b/drivers/mtd/nand/atmel/nand-controller.c
index ae46ef711d67..cd107e6edcbc 100644
--- a/drivers/mtd/nand/atmel/nand-controller.c
+++ b/drivers/mtd/nand/atmel/nand-controller.c
@@ -2575,6 +2575,24 @@ static int atmel_nand_controller_remove(struct platform_device *pdev)
 	return nc->caps->ops->remove(nc);
 }
 
+static int atmel_nand_controller_resume(struct device *dev)
+{
+	struct atmel_nand_controller *nc = dev_get_drvdata(dev);
+	struct atmel_nand *nand;
+
+	list_for_each_entry(nand, &nc->chips, node) {
+		int i;
+
+		for (i = 0; i < nand->numcs; i++)
+			nand_reset(&nand->base, i);
+	}
+
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(atmel_nand_controller_pm_ops, NULL,
+			 atmel_nand_controller_resume);
+
 static struct platform_driver atmel_nand_controller_driver = {
 	.driver = {
 		.name = "atmel-nand-controller",
-- 
2.7.4

  parent reply	other threads:[~2017-02-20 21:13 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-20 21:12 [RESEND PATCH 0/3] mtd: nand: atmel: Add ->setup_data_interface() + PM ops Boris Brezillon
2017-02-20 21:12 ` Boris Brezillon
2017-02-20 21:12 ` [RESEND PATCH 1/3] mtd: nand: Pass the CS line to ->setup_data_interface() Boris Brezillon
2017-02-20 21:12   ` Boris Brezillon
2017-02-21 10:57   ` Marc Gonzalez
2017-02-21 10:57     ` Marc Gonzalez
2017-02-21 11:06     ` Boris Brezillon
2017-02-21 11:06       ` Boris Brezillon
2017-02-21 12:02       ` Marc Gonzalez
2017-02-21 12:02         ` Marc Gonzalez
2017-02-21 12:47         ` Boris Brezillon
2017-02-21 12:47           ` Boris Brezillon
2017-02-20 21:12 ` [RESEND PATCH 2/3] mtd: nand: atmel: Add ->setup_data_interface() hooks Boris Brezillon
2017-02-20 21:12   ` Boris Brezillon
2017-02-20 22:47   ` Marek Vasut
2017-02-20 22:47     ` Marek Vasut
2017-02-21  8:13     ` Boris Brezillon
2017-02-21  8:13       ` Boris Brezillon
2017-02-20 21:12 ` Boris Brezillon [this message]
2017-02-20 21:12   ` [RESEND PATCH 3/3] mtd: nand: atmel: Add PM ops Boris Brezillon

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1487625149-7234-4-git-send-email-boris.brezillon@free-electrons.com \
    --to=boris.brezillon@free-electrons.com \
    --cc=computersforpeace@gmail.com \
    --cc=cyrille.pitchen@atmel.com \
    --cc=dwmw2@infradead.org \
    --cc=krzk@kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mtd@lists.infradead.org \
    --cc=marc_gonzalez@sigmadesigns.com \
    --cc=marek.vasut@gmail.com \
    --cc=rainyfeeling@outlook.com \
    --cc=richard@nod.at \
    --cc=s.hauer@pengutronix.de \
    --cc=sergio.prado@e-labworks.com \
    --cc=wenyou.yang@atmel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.