linux-kernel - Applied "mfd: tps65218: add version check to the PMIC probe" to the regulator tree

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Date:	Wed, 10 Aug 2016 21:04:17 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Tero Kristo <t-kristo@...com>
Cc:	Dave Gerlach <d-gerlach@...com>, Keerthy <j-keerthy@...com>,
	Lee Jones <lee.jones@...aro.org>,
	Mark Brown <broonie@...nel.org>, tony@...mide.com,
	broonie@...nel.org, devicetree@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	t-kristo@...com, russ.dill@...com, robh+dt@...nel.org,
	mark.rutland@....com, j-keerthy@...com, linux@...linux.org.uk,
	Dave Gerlach <d-gerlach@...com>
Subject: Applied "mfd: tps65218: add version check to the PMIC probe" to the regulator tree

The patch

   mfd: tps65218: add version check to the PMIC probe

has been applied to the regulator tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From f11fa1796a4b4f8c6d4ced37e8824276ec57057d Mon Sep 17 00:00:00 2001
From: Tero Kristo <t-kristo@...com>
Date: Wed, 10 Aug 2016 17:53:54 +0530
Subject: [PATCH] mfd: tps65218: add version check to the PMIC probe

Version information will be needed to handle some error cases under the
regulator driver, so store the information once during MFD probe.

Signed-off-by: Tero Kristo <t-kristo@...com>
Signed-off-by: Dave Gerlach <d-gerlach@...com>
Signed-off-by: Keerthy <j-keerthy@...com>
Acked-by: Lee Jones <lee.jones@...aro.org>
Signed-off-by: Mark Brown <broonie@...nel.org>
---
 drivers/mfd/tps65218.c       | 9 +++++++++
 include/linux/mfd/tps65218.h | 1 +
 2 files changed, 10 insertions(+)

diff --git a/drivers/mfd/tps65218.c b/drivers/mfd/tps65218.c
index 80b9dc363cd8..ba610adbdbff 100644
--- a/drivers/mfd/tps65218.c
+++ b/drivers/mfd/tps65218.c
@@ -219,6 +219,7 @@ static int tps65218_probe(struct i2c_client *client,
 	struct tps65218 *tps;
 	const struct of_device_id *match;
 	int ret;
+	unsigned int chipid;
 
 	match = of_match_device(of_tps65218_match_table, &client->dev);
 	if (!match) {
@@ -250,6 +251,14 @@ static int tps65218_probe(struct i2c_client *client,
 	if (ret < 0)
 		return ret;
 
+	ret = tps65218_reg_read(tps, TPS65218_REG_CHIPID, &chipid);
+	if (ret) {
+		dev_err(tps->dev, "Failed to read chipid: %d\n", ret);
+		return ret;
+	}
+
+	tps->rev = chipid & TPS65218_CHIPID_REV_MASK;
+
 	ret = of_platform_populate(client->dev.of_node, NULL, NULL,
 				   &client->dev);
 	if (ret < 0)
diff --git a/include/linux/mfd/tps65218.h b/include/linux/mfd/tps65218.h
index 7fdf5326f34e..85e464e32c43 100644
--- a/include/linux/mfd/tps65218.h
+++ b/include/linux/mfd/tps65218.h
@@ -267,6 +267,7 @@ struct tps_info {
 struct tps65218 {
 	struct device *dev;
 	unsigned int id;
+	u8 rev;
 
 	struct mutex tps_lock;		/* lock guarding the data structure */
 	/* IRQ Data */
-- 
2.8.1