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Date: Tue, 17 Apr 2012 09:30:57 +0200
From: Linus Walleij <linus.walleij@...ricsson.com>
To: Samuel Ortiz <sameo@...ux.intel.com>,
<linux-kernel@...r.kernel.org>
Cc: Rickard Andersson <rickard.andersson@...ricsson.com>,
Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH 6/6] mfd/ab8500: add parameter to disable battery management
From: Rickard Andersson <rickard.andersson@...ricsson.com>
This patch makes it possible to disable battery management
via a module boot parameter. When 'ab8500-core.no_bm=1' then
ab8500_btemp, ab8500_chargalg, ab8500_charger and ab8500_fg will
not be probed. This boot parameter is used for scripted testing
of the system.
Signed-off-by: Rickard Andersson <rickard.andersson@...ricsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@...ricsson.com>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
---
drivers/mfd/ab8500-core.c | 55 ++++++++++++++++++++++++++++-----------------
1 file changed, 35 insertions(+), 20 deletions(-)
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 8e56fd1..239d928 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -106,6 +106,9 @@
#define AB8500_TURN_ON_STATUS 0x00
+static bool no_bm; /* No battery management */
+module_param(no_bm, bool, S_IRUGO);
+
#define AB9540_MODEM_CTRL2_REG 0x23
#define AB9540_MODEM_CTRL2_SWDBBRSTN_BIT BIT(2)
@@ -904,26 +907,6 @@ static struct mfd_cell __devinitdata abx500_common_devs[] = {
.resources = ab8500_rtc_resources,
},
{
- .name = "ab8500-charger",
- .num_resources = ARRAY_SIZE(ab8500_charger_resources),
- .resources = ab8500_charger_resources,
- },
- {
- .name = "ab8500-btemp",
- .num_resources = ARRAY_SIZE(ab8500_btemp_resources),
- .resources = ab8500_btemp_resources,
- },
- {
- .name = "ab8500-fg",
- .num_resources = ARRAY_SIZE(ab8500_fg_resources),
- .resources = ab8500_fg_resources,
- },
- {
- .name = "ab8500-chargalg",
- .num_resources = ARRAY_SIZE(ab8500_chargalg_resources),
- .resources = ab8500_chargalg_resources,
- },
- {
.name = "ab8500-acc-det",
.num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
.resources = ab8500_av_acc_detect_resources,
@@ -956,6 +939,29 @@ static struct mfd_cell __devinitdata abx500_common_devs[] = {
},
};
+static struct mfd_cell __devinitdata ab8500_bm_devs[] = {
+ {
+ .name = "ab8500-charger",
+ .num_resources = ARRAY_SIZE(ab8500_charger_resources),
+ .resources = ab8500_charger_resources,
+ },
+ {
+ .name = "ab8500-btemp",
+ .num_resources = ARRAY_SIZE(ab8500_btemp_resources),
+ .resources = ab8500_btemp_resources,
+ },
+ {
+ .name = "ab8500-fg",
+ .num_resources = ARRAY_SIZE(ab8500_fg_resources),
+ .resources = ab8500_fg_resources,
+ },
+ {
+ .name = "ab8500-chargalg",
+ .num_resources = ARRAY_SIZE(ab8500_chargalg_resources),
+ .resources = ab8500_chargalg_resources,
+ },
+};
+
static struct mfd_cell __devinitdata ab8500_devs[] = {
{
.name = "ab8500-gpio",
@@ -1306,6 +1312,15 @@ int __devinit ab8500_init(struct ab8500 *ab8500, enum ab8500_version version)
if (ret)
goto out_freeirq;
+ if (!no_bm) {
+ /* Add battery management devices */
+ ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
+ ARRAY_SIZE(ab8500_bm_devs), NULL,
+ ab8500->irq_base);
+ if (ret)
+ dev_err(ab8500->dev, "error adding bm devices\n");
+ }
+
if (is_ab9540(ab8500))
ret = sysfs_create_group(&ab8500->dev->kobj,
&ab9540_attr_group);
--
1.7.9.2
--
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