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authorTony Lindgren <tony@atomide.com>2020-07-06 21:39:34 +0300
committerLee Jones <lee.jones@linaro.org>2020-08-13 09:49:42 +0300
commit819e42e00d2eca536d5187de21971ed345861102 (patch)
tree28f5c4399be1d4d138874e3df557adc58dd4209a /drivers
parent7d2594cd1fa0b03b2746ce811926ee150a3a14fa (diff)
downloadlinux-819e42e00d2eca536d5187de21971ed345861102.tar.xz
mfd: motorola-cpcap: Disable interrupt for suspend
Otherwise we get spammed with errors on resume after rtcwake: cpcap-core spi0.0: Failed to read IRQ status: -108 Note that rtcwake is still capable of waking up the system with this patch. Cc: Merlijn Wajer <merlijn@wizzup.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mfd/motorola-cpcap.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c
index 52f38e57cdc1..2283d88adcc2 100644
--- a/drivers/mfd/motorola-cpcap.c
+++ b/drivers/mfd/motorola-cpcap.c
@@ -214,6 +214,28 @@ static const struct regmap_config cpcap_regmap_config = {
.val_format_endian = REGMAP_ENDIAN_LITTLE,
};
+#ifdef CONFIG_PM_SLEEP
+static int cpcap_suspend(struct device *dev)
+{
+ struct spi_device *spi = to_spi_device(dev);
+
+ disable_irq(spi->irq);
+
+ return 0;
+}
+
+static int cpcap_resume(struct device *dev)
+{
+ struct spi_device *spi = to_spi_device(dev);
+
+ enable_irq(spi->irq);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(cpcap_pm, cpcap_suspend, cpcap_resume);
+
static const struct mfd_cell cpcap_mfd_devices[] = {
{
.name = "cpcap_adc",
@@ -313,6 +335,7 @@ static struct spi_driver cpcap_driver = {
.driver = {
.name = "cpcap-core",
.of_match_table = cpcap_of_match,
+ .pm = &cpcap_pm,
},
.probe = cpcap_probe,
};