leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

pinctrl: msm: Fix set gpio setting

Browse Source 
Set g->out_bit bit for gpio output high, clear g->out_bit bit for gpio output
low.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Axel Lin 2013-12-13 21:35:55 +08:00 committed by Linus Walleij
parent 37ef1d9243
commit e476e77fe0
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/pinctrl/pinctrl-msm.c
View File

@ -429,7 +429,12 @@ static int msm_gpio_direction_output(struct gpio_chip *chip, unsigned offset, in
spin_lock_irqsave(&pctrl->lock, flags);
writel(value ? BIT(g->out_bit) : 0, pctrl->regs + g->io_reg);
val = readl(pctrl->regs + g->io_reg);
if (value)
val |= BIT(g->out_bit);
else
val &= ~BIT(g->out_bit);
writel(val, pctrl->regs + g->io_reg);
val = readl(pctrl->regs + g->ctl_reg);
val |= BIT(g->oe_bit);
@ -468,7 +473,10 @@ static void msm_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
spin_lock_irqsave(&pctrl->lock, flags);
val = readl(pctrl->regs + g->io_reg);
val |= BIT(g->out_bit);
if (value)
val |= BIT(g->out_bit);
else
val &= ~BIT(g->out_bit);
writel(val, pctrl->regs + g->io_reg);
spin_unlock_irqrestore(&pctrl->lock, flags);