From 6ef9418c9e6fc41e6c1066b6423f3a1625e4b822 Mon Sep 17 00:00:00 2001 From: Rickard Andersson Date: Tue, 17 Apr 2012 09:30:57 +0200 Subject: mfd: Add parameter to disable ab8500 battery management 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 Reviewed-by: Jonas Aberg Signed-off-by: Linus Walleij Signed-off-by: Samuel Ortiz --- 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 eee95606bdbb..08850f0d1523 100644 --- a/drivers/mfd/ab8500-core.c +++ b/drivers/mfd/ab8500-core.c @@ -97,6 +97,9 @@ #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) @@ -833,26 +836,6 @@ static struct mfd_cell __devinitdata abx500_common_devs[] = { .num_resources = ARRAY_SIZE(ab8500_rtc_resources), .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), @@ -886,6 +869,29 @@ 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", @@ -1204,6 +1210,15 @@ 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); -- cgit v1.2.3