counter: microchip-tcb-capture: Fix the use of internal GCLK logic

commit df8fdd0 upstream. As per the datasheet, the clock selection Bits 2:0 – TCCLKS[2:0] should be set to 0 while using the internal GCLK (TIMER_CLOCK1). Fixes: 106b104 ("counter: Add microchip TCB capture counter") Signed-off-by: Dharma Balasubiramani <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: William Breathitt Gray <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
linux-surface · Oct 19, 2023 · 8c4f6d1 · 8c4f6d1
1 parent 837b246
commit 8c4f6d1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/counter/microchip-tcb-capture.c b/drivers/counter/microchip-tcb-capture.c
@@ -98,7 +98,7 @@ static int mchp_tc_count_function_write(struct counter_device *counter,
 		priv->qdec_mode = 0;
 		/* Set highest rate based on whether soc has gclk or not */
 		bmr &= ~(ATMEL_TC_QDEN | ATMEL_TC_POSEN);
-		if (priv->tc_cfg->has_gclk)
+		if (!priv->tc_cfg->has_gclk)
 			cmr |= ATMEL_TC_TIMER_CLOCK2;
 		else
 			cmr |= ATMEL_TC_TIMER_CLOCK1;