101 lines
3.6 KiB
Diff
101 lines
3.6 KiB
Diff
From 68a7d9940935cb71440a9ff384e5859592b0dbfd Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Sat, 14 Dec 2013 17:20:13 +0100
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Subject: [PATCH] pinctrl-sunxi: Fix sun5i-a13 port F multiplexing
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The correct value for selecting the mmc0 function on port F pins is 2 not 4,
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as per the data-sheet:
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http://dl.linux-sunxi.org/A13/A13%20Datasheet%20-%20v1.12%20%282012-03-29%29.pdf
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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---
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drivers/pinctrl/pinctrl-sunxi-pins.h | 12 ++++++------
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1 file changed, 6 insertions(+), 6 deletions(-)
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diff --git a/drivers/pinctrl/pinctrl-sunxi-pins.h b/drivers/pinctrl/pinctrl-sunxi-pins.h
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index 6fd8d4d..3d60669 100644
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--- a/drivers/pinctrl/pinctrl-sunxi-pins.h
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+++ b/drivers/pinctrl/pinctrl-sunxi-pins.h
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@@ -1932,27 +1932,27 @@ static const struct sunxi_desc_pin sun5i_a13_pins[] = {
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SUNXI_PIN(SUNXI_PINCTRL_PIN_PF0,
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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- SUNXI_FUNCTION(0x4, "mmc0")), /* D1 */
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+ SUNXI_FUNCTION(0x2, "mmc0")), /* D1 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN_PF1,
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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- SUNXI_FUNCTION(0x4, "mmc0")), /* D0 */
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+ SUNXI_FUNCTION(0x2, "mmc0")), /* D0 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN_PF2,
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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- SUNXI_FUNCTION(0x4, "mmc0")), /* CLK */
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+ SUNXI_FUNCTION(0x2, "mmc0")), /* CLK */
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SUNXI_PIN(SUNXI_PINCTRL_PIN_PF3,
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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- SUNXI_FUNCTION(0x4, "mmc0")), /* CMD */
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+ SUNXI_FUNCTION(0x2, "mmc0")), /* CMD */
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SUNXI_PIN(SUNXI_PINCTRL_PIN_PF4,
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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- SUNXI_FUNCTION(0x4, "mmc0")), /* D3 */
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+ SUNXI_FUNCTION(0x2, "mmc0")), /* D3 */
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SUNXI_PIN(SUNXI_PINCTRL_PIN_PF5,
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SUNXI_FUNCTION(0x0, "gpio_in"),
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SUNXI_FUNCTION(0x1, "gpio_out"),
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- SUNXI_FUNCTION(0x4, "mmc0")), /* D2 */
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+ SUNXI_FUNCTION(0x2, "mmc0")), /* D2 */
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/* Hole */
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SUNXI_PIN(SUNXI_PINCTRL_PIN_PG0,
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SUNXI_FUNCTION(0x0, "gpio_in"),
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--
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2.0.3
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From 8d2c11e63a3302bbbdac41fc765c881da8a8eb37 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Sat, 15 Feb 2014 12:58:17 +0100
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Subject: [PATCH] pinctrl-sunxi: Fix hang on gpio irq
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Our irq handler was missing chained_irq_enter / exit calls, causing a
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hard hang as soon as a gpio irq happened.
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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drivers/pinctrl/pinctrl-sunxi.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
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index f9fabe9..d16da53 100644
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--- a/drivers/pinctrl/pinctrl-sunxi.c
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+++ b/drivers/pinctrl/pinctrl-sunxi.c
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@@ -13,6 +13,7 @@
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#include <linux/io.h>
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#include <linux/clk.h>
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#include <linux/gpio.h>
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+#include <linux/irqchip/chained_irq.h>
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#include <linux/irqdomain.h>
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#include <linux/irqchip/chained_irq.h>
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#include <linux/module.h>
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@@ -670,6 +671,8 @@ static void sunxi_pinctrl_irq_handler(unsigned irq, struct irq_desc *desc)
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struct sunxi_pinctrl *pctl = irq_get_handler_data(irq);
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const unsigned long reg = readl(pctl->membase + IRQ_STATUS_REG);
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+ chained_irq_enter(chip, desc);
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+
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/* Clear all interrupts */
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writel(reg, pctl->membase + IRQ_STATUS_REG);
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@@ -683,6 +686,7 @@ static void sunxi_pinctrl_irq_handler(unsigned irq, struct irq_desc *desc)
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}
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chained_irq_exit(chip, desc);
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}
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+ chained_irq_exit(chip, desc);
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}
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static struct of_device_id sunxi_pinctrl_match[] = {
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--
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2.0.3
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