linux-kernel - [PATCH 2/3] pinctrl: single: fix pcs_disable with bits_per

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Date:	Thu, 9 Jan 2014 14:50:28 +0200
From:	Tomi Valkeinen <tomi.valkeinen@...com>
To:	<linux-kernel@...r.kernel.org>,
	Linus Walleij <linus.walleij@...aro.org>
CC:	Tomi Valkeinen <tomi.valkeinen@...com>
Subject: [PATCH 2/3] pinctrl: single: fix pcs_disable with bits_per_mux

pcs_enable() uses vals->mask instead of pcs->fmask when bits_per_mux is
enabled. However, pcs_disable() always uses pcs->fmask.

Fix pcs_disable() to use vals->mask with bits_per_mux.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@...com>
Acked-by: Tony Lindgren <tony@...mide.com>
---
 drivers/pinctrl/pinctrl-single.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index 829b98c5c66f..174f4c50cd77 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -525,12 +525,18 @@ static void pcs_disable(struct pinctrl_dev *pctldev, unsigned fselector,
 	for (i = 0; i < func->nvals; i++) {
 		struct pcs_func_vals *vals;
 		unsigned long flags;
-		unsigned val;
+		unsigned val, mask;
 
 		vals = &func->vals[i];
 		raw_spin_lock_irqsave(&pcs->lock, flags);
 		val = pcs->read(vals->reg);
-		val &= ~pcs->fmask;
+
+		if (pcs->bits_per_mux)
+			mask = vals->mask;
+		else
+			mask = pcs->fmask;
+
+		val &= ~mask;
 		val |= pcs->foff << pcs->fshift;
 		pcs->write(val, vals->reg);
 		raw_spin_unlock_irqrestore(&pcs->lock, flags);
-- 
1.8.3.2

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