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Diffstat (limited to 'drivers/spmi')
-rw-r--r--drivers/spmi/Kconfig2
-rw-r--r--drivers/spmi/spmi-pmic-arb.c17
-rw-r--r--drivers/spmi/spmi.c22
3 files changed, 37 insertions, 4 deletions
diff --git a/drivers/spmi/Kconfig b/drivers/spmi/Kconfig
index 982580af1d16..0d3b70b3bda8 100644
--- a/drivers/spmi/Kconfig
+++ b/drivers/spmi/Kconfig
@@ -12,7 +12,7 @@ if SPMI
config SPMI_MSM_PMIC_ARB
tristate "Qualcomm MSM SPMI Controller (PMIC Arbiter)"
- depends on IRQ_DOMAIN
+ select IRQ_DOMAIN
depends on ARCH_QCOM || COMPILE_TEST
depends on HAS_IOMEM
default ARCH_QCOM
diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c
index 483948459765..bdfb3c84c3cb 100644
--- a/drivers/spmi/spmi-pmic-arb.c
+++ b/drivers/spmi/spmi-pmic-arb.c
@@ -575,6 +575,22 @@ static int qpnpint_irq_set_type(struct irq_data *d, unsigned int flow_type)
return 0;
}
+static int qpnpint_get_irqchip_state(struct irq_data *d,
+ enum irqchip_irq_state which,
+ bool *state)
+{
+ u8 irq = d->hwirq >> 8;
+ u8 status = 0;
+
+ if (which != IRQCHIP_STATE_LINE_LEVEL)
+ return -EINVAL;
+
+ qpnpint_spmi_read(d, QPNPINT_REG_RT_STS, &status, 1);
+ *state = !!(status & BIT(irq));
+
+ return 0;
+}
+
static struct irq_chip pmic_arb_irqchip = {
.name = "pmic_arb",
.irq_enable = qpnpint_irq_enable,
@@ -582,6 +598,7 @@ static struct irq_chip pmic_arb_irqchip = {
.irq_mask = qpnpint_irq_mask,
.irq_unmask = qpnpint_irq_unmask,
.irq_set_type = qpnpint_irq_set_type,
+ .irq_get_irqchip_state = qpnpint_get_irqchip_state,
.flags = IRQCHIP_MASK_ON_SUSPEND
| IRQCHIP_SKIP_SET_WAKE,
};
diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c
index 94938436aef9..11467e17bdd8 100644
--- a/drivers/spmi/spmi.c
+++ b/drivers/spmi/spmi.c
@@ -22,6 +22,8 @@
#include <linux/pm_runtime.h>
#include <dt-bindings/spmi/spmi.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/spmi.h>
static DEFINE_IDA(ctrl_ida);
@@ -96,28 +98,42 @@ EXPORT_SYMBOL_GPL(spmi_device_remove);
static inline int
spmi_cmd(struct spmi_controller *ctrl, u8 opcode, u8 sid)
{
+ int ret;
+
if (!ctrl || !ctrl->cmd || ctrl->dev.type != &spmi_ctrl_type)
return -EINVAL;
- return ctrl->cmd(ctrl, opcode, sid);
+ ret = ctrl->cmd(ctrl, opcode, sid);
+ trace_spmi_cmd(opcode, sid, ret);
+ return ret;
}
static inline int spmi_read_cmd(struct spmi_controller *ctrl, u8 opcode,
u8 sid, u16 addr, u8 *buf, size_t len)
{
+ int ret;
+
if (!ctrl || !ctrl->read_cmd || ctrl->dev.type != &spmi_ctrl_type)
return -EINVAL;
- return ctrl->read_cmd(ctrl, opcode, sid, addr, buf, len);
+ trace_spmi_read_begin(opcode, sid, addr);
+ ret = ctrl->read_cmd(ctrl, opcode, sid, addr, buf, len);
+ trace_spmi_read_end(opcode, sid, addr, ret, len, buf);
+ return ret;
}
static inline int spmi_write_cmd(struct spmi_controller *ctrl, u8 opcode,
u8 sid, u16 addr, const u8 *buf, size_t len)
{
+ int ret;
+
if (!ctrl || !ctrl->write_cmd || ctrl->dev.type != &spmi_ctrl_type)
return -EINVAL;
- return ctrl->write_cmd(ctrl, opcode, sid, addr, buf, len);
+ trace_spmi_write_begin(opcode, sid, addr, len, buf);
+ ret = ctrl->write_cmd(ctrl, opcode, sid, addr, buf, len);
+ trace_spmi_write_end(opcode, sid, addr, ret);
+ return ret;
}
/**