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authorHans de Goede <hdegoede@redhat.com>2018-12-04 20:42:46 +0100
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>2018-12-05 14:11:05 +0200
commitb6fb6e11b4046281a70ac8cb953bd8d7b6998a56 (patch)
treed318dc95e985b1d26ae771e4ada82c79b74b39cf /drivers/pinctrl/intel
parent166d6e2adc55eb1f8efa4e1815170f35a250e57f (diff)
pinctrl: cherryview: Add chv_gpio_clear_triggering() helper function
This is a preparation patch for clearing the interrupt trigger from chv_gpio_disable_free(). Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/pinctrl/intel')
-rw-r--r--drivers/pinctrl/intel/pinctrl-cherryview.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
index f685abef68c3..46f647d2e287 100644
--- a/drivers/pinctrl/intel/pinctrl-cherryview.c
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -846,6 +846,19 @@ static int chv_pinmux_set_mux(struct pinctrl_dev *pctldev,
return 0;
}
+static void chv_gpio_clear_triggering(struct chv_pinctrl *pctrl,
+ unsigned int offset)
+{
+ void __iomem *reg;
+ u32 value;
+
+ reg = chv_padreg(pctrl, offset, CHV_PADCTRL1);
+ value = readl(reg);
+ value &= ~CHV_PADCTRL1_INTWAKECFG_MASK;
+ value &= ~CHV_PADCTRL1_INVRXTX_MASK;
+ chv_writel(value, reg);
+}
+
static int chv_gpio_request_enable(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range,
unsigned int offset)
@@ -876,11 +889,7 @@ static int chv_gpio_request_enable(struct pinctrl_dev *pctldev,
}
/* Disable interrupt generation */
- reg = chv_padreg(pctrl, offset, CHV_PADCTRL1);
- value = readl(reg);
- value &= ~CHV_PADCTRL1_INTWAKECFG_MASK;
- value &= ~CHV_PADCTRL1_INVRXTX_MASK;
- chv_writel(value, reg);
+ chv_gpio_clear_triggering(pctrl, offset);
reg = chv_padreg(pctrl, offset, CHV_PADCTRL0);
value = readl(reg);