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authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2021-01-21 08:18:09 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-26 18:52:54 +0100
commit6436a12504dabc4b649b9728d04477f66f316232 (patch)
treec050533f3dfd381bdf027b124ff6a63a57929d1c /drivers/staging/hikey9xx
parentstaging: hikey9xx: hi6421v600-regulator: cleanup debug msgs (diff)
downloadlinux-dev-6436a12504dabc4b649b9728d04477f66f316232.tar.xz
linux-dev-6436a12504dabc4b649b9728d04477f66f316232.zip
staging: hikey9xx: hi6421v600-regulator: get rid of an static data
Move it to be inside the private data struct. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/ff8b6852c788fd476743eb4ce556e4a97f4b928e.1611212783.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/hikey9xx')
-rw-r--r--drivers/staging/hikey9xx/hi6421v600-regulator.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/staging/hikey9xx/hi6421v600-regulator.c b/drivers/staging/hikey9xx/hi6421v600-regulator.c
index 54ad07418ec2..e25e596f58cf 100644
--- a/drivers/staging/hikey9xx/hi6421v600-regulator.c
+++ b/drivers/staging/hikey9xx/hi6421v600-regulator.c
@@ -28,9 +28,10 @@ struct hi6421_spmi_reg_info {
struct hi6421_spmi_pmic *pmic;
u8 eco_mode_mask;
u32 eco_uA;
-};
-static DEFINE_MUTEX(enable_mutex);
+ /* Serialize regulator enable logic */
+ struct mutex enable_mutex;
+};
static const unsigned int ldo3_voltages[] = {
1500000, 1550000, 1600000, 1650000,
@@ -118,7 +119,7 @@ static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev)
struct hi6421_spmi_pmic *pmic = sreg->pmic;
/* cannot enable more than one regulator at one time */
- mutex_lock(&enable_mutex);
+ mutex_lock(&sreg->enable_mutex);
usleep_range(HISI_REGS_ENA_PROTECT_TIME,
HISI_REGS_ENA_PROTECT_TIME + 1000);
@@ -127,7 +128,7 @@ static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev)
rdev->desc->enable_mask,
rdev->desc->enable_mask);
- mutex_unlock(&enable_mutex);
+ mutex_unlock(&sreg->enable_mutex);
return 0;
}
@@ -312,6 +313,7 @@ static int hi6421_spmi_regulator_probe(struct platform_device *pdev)
return -ENOMEM;
sreg->pmic = pmic;
+ mutex_init(&sreg->enable_mutex);
for (i = 0; i < ARRAY_SIZE(regulator_info); i++) {
/* assign per-regulator data */