mfd: ti_tscadc: deal with partial activation
Fix the mfd device in the case where a subdevice might not be activated.
Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h
index e36ae41..fe54ba4 100644
--- a/include/linux/mfd/ti_am335x_tscadc.h
+++ b/include/linux/mfd/ti_am335x_tscadc.h
@@ -120,11 +120,6 @@
#define TSCADC_CELLS 2
-enum tscadc_cells {
- TSC_CELL,
- ADC_CELL,
-};
-
struct mfd_tscadc_board {
struct tsc_data *tsc_init;
struct adc_data *adc_init;
@@ -135,6 +130,9 @@
struct regmap *regmap_tscadc;
void __iomem *tscadc_base;
int irq;
+ int used_cells; /* 1-2 */
+ int tsc_cell; /* -1 if not used */
+ int adc_cell; /* -1 if not used */
struct mfd_cell cells[TSCADC_CELLS];
u32 reg_se_cache;
spinlock_t reg_lock;