From: Domenico Andreoli <domenico.andreoli@linux.com>
To: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org,
linux-mips@lvger.kernel.org,
Russell King <linux@arm.linux.org.uk>,
Arnd Bergmann <arnd@arndb.de>, Olof Johansson <olof@lixom.net>,
Ralf Baechle <ralf@linux-mips.org>,
Domenico Andreoli <domenico.andreoli@linux.com>
Subject: [PATCH 09/11] ARM: tps65910: use the common machine reset handling
Date: Thu, 31 Oct 2013 07:27:17 +0100 [thread overview]
Message-ID: <20131031063000.608298078@linux.com> (raw)
In-Reply-To: 20131031062708.520968323@linux.com
[-- Attachment #1: tps65910-machine-reset.patch --]
[-- Type: text/plain, Size: 2241 bytes --]
From: Domenico Andreoli <domenico.andreoli@linux.com>
Proof of concept: tps65910 as provider of reset hooks.
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com>
---
drivers/mfd/Kconfig | 1 +
drivers/mfd/tps65910.c | 16 ++++++++--------
2 files changed, 9 insertions(+), 8 deletions(-)
Index: b/drivers/mfd/Kconfig
===================================================================
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -769,6 +769,7 @@ config TPS65010
tristate "TI TPS6501x Power Management chips"
depends on I2C && GPIOLIB
default y if MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_OSK
+ select MACHINE_RESET
help
If you say yes here you get support for the TPS6501x series of
Power Management chips. These include voltage regulators,
Index: b/drivers/mfd/tps65910.c
===================================================================
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -26,6 +26,7 @@
#include <linux/regmap.h>
#include <linux/mfd/tps65910.h>
#include <linux/of_device.h>
+#include <linux/machine_reset.h>
static struct resource rtc_resources[] = {
{
@@ -438,12 +439,9 @@ struct tps65910_board *tps65910_parse_dt
}
#endif
-static struct i2c_client *tps65910_i2c_client;
-static void tps65910_power_off(void)
+static void tps65910_power_off(void *dev)
{
- struct tps65910 *tps65910;
-
- tps65910 = dev_get_drvdata(&tps65910_i2c_client->dev);
+ struct tps65910 *tps65910 = dev_get_drvdata(dev);
if (tps65910_reg_set_bits(tps65910, TPS65910_DEVCTRL,
DEVCTRL_PWR_OFF_MASK) < 0)
@@ -501,9 +499,11 @@ static int tps65910_i2c_probe(struct i2c
tps65910_ck32k_init(tps65910, pmic_plat_data);
tps65910_sleepinit(tps65910, pmic_plat_data);
- if (pmic_plat_data->pm_off && !pm_power_off) {
- tps65910_i2c_client = i2c;
- pm_power_off = tps65910_power_off;
+ if (pmic_plat_data->pm_off) {
+ struct reset_hook hook;
+ reset_hook_init(&hook);
+ hook.power_off = tps65910_power_off;
+ set_machine_reset(RESET_POWER_OFF, &hook, &i2c->dev);
}
ret = mfd_add_devices(tps65910->dev, -1,
next prev parent reply other threads:[~2013-10-31 6:30 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-31 6:27 [PATCH 00/11] RFC: Common machine reset handling Domenico Andreoli
2013-10-31 6:27 ` [PATCH 01/11] machine-reset: platform generic handling Domenico Andreoli
2013-10-31 6:27 ` [PATCH 02/11] ARM: use the common machine reset handling Domenico Andreoli
2013-10-31 6:27 ` [PATCH 03/11] ARM64: " Domenico Andreoli
2013-10-31 6:27 ` [PATCH 04/11] MIPS: " Domenico Andreoli
2013-11-01 5:11 ` Vineet Gupta
2013-11-01 5:26 ` Domenico Andreoli
2013-10-31 6:27 ` [PATCH 05/11] ARM: vexpress: consolidate machine reset func Domenico Andreoli
2013-10-31 6:27 ` [PATCH 06/11] ARM: vexpress: use the common machine reset handling Domenico Andreoli
2013-10-31 6:27 ` [PATCH 07/11] ARM: bcm2835: " Domenico Andreoli
2013-10-31 6:27 ` [PATCH 08/11] ARM: u300: " Domenico Andreoli
2013-10-31 14:40 ` Linus Walleij
2013-10-31 15:19 ` Domenico Andreoli
2013-10-31 6:27 ` Domenico Andreoli [this message]
2013-10-31 6:27 ` [PATCH 10/11] max8907: " Domenico Andreoli
2013-10-31 6:27 ` [PATCH 11/11] ARM: sp805: " Domenico Andreoli
2013-10-31 10:21 ` [PATCH 00/11] RFC: Common " Russell King - ARM Linux
2013-10-31 21:49 ` Stephen Warren
2013-11-01 5:16 ` Domenico Andreoli
2013-11-01 15:58 ` Stephen Warren
2013-11-01 16:12 ` Russell King - ARM Linux
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