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git://projects.qi-hardware.com/openwrt-xburst.git
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d1f448b466
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31335 3c298f89-4303-0410-b956-a3cf2f4a3e73
67 lines
2.1 KiB
Diff
67 lines
2.1 KiB
Diff
From 509bc67e8e365c8f1a0cb91abcac7c7772cf8335 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Thu, 8 Mar 2012 11:22:03 +0100
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Subject: [PATCH 29/73] MIPS: lantiq: convert falcon gpio to clkdev api
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The falcon gpio clocks used to be enabled when registering the platform device.
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Move this code into the driver and use clkdev api.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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arch/mips/lantiq/falcon/devices.c | 5 -----
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arch/mips/lantiq/falcon/gpio.c | 10 ++++++++++
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2 files changed, 10 insertions(+), 5 deletions(-)
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--- a/arch/mips/lantiq/falcon/devices.c
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+++ b/arch/mips/lantiq/falcon/devices.c
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@@ -111,9 +111,6 @@ falcon_register_gpio(void)
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falcon_gpio1_res, ARRAY_SIZE(falcon_gpio1_res));
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platform_device_register_simple("falcon_gpio", 2,
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falcon_gpio2_res, ARRAY_SIZE(falcon_gpio2_res));
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- ltq_sysctl_activate(SYSCTL_SYS1, ACTS_PADCTRL1 | ACTS_P1);
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- ltq_sysctl_activate(SYSCTL_SYSETH, ACTS_PADCTRL0 |
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- ACTS_PADCTRL2 | ACTS_P0 | ACTS_P2);
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}
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void __init
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@@ -123,6 +120,4 @@ falcon_register_gpio_extra(void)
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falcon_gpio3_res, ARRAY_SIZE(falcon_gpio3_res));
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platform_device_register_simple("falcon_gpio", 4,
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falcon_gpio4_res, ARRAY_SIZE(falcon_gpio4_res));
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- ltq_sysctl_activate(SYSCTL_SYS1,
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- ACTS_PADCTRL3 | ACTS_PADCTRL4 | ACTS_P3 | ACTS_P4);
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}
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--- a/arch/mips/lantiq/falcon/gpio.c
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+++ b/arch/mips/lantiq/falcon/gpio.c
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@@ -11,6 +11,7 @@
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#include <linux/interrupt.h>
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#include <linux/slab.h>
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#include <linux/export.h>
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+#include <linux/err.h>
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#include <linux/platform_device.h>
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#include <lantiq_soc.h>
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@@ -71,6 +72,7 @@ struct falcon_gpio_port {
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void __iomem *port;
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unsigned int irq_base;
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unsigned int chained_irq;
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+ struct clk *clk;
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};
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static struct falcon_gpio_port ltq_gpio_port[MAX_PORTS];
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@@ -332,6 +334,14 @@ falcon_gpio_probe(struct platform_device
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goto err;
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}
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+ gpio_port->clk = clk_get(&pdev->dev, NULL);
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+ if (IS_ERR(gpio_port->clk)) {
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+ dev_err(&pdev->dev, "Could not get clock\n");
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+ ret = PTR_ERR(gpio_port->clk);;
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+ goto err;
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+ }
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+ clk_enable(gpio_port->clk);
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+
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if (irq > 0) {
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/* irq_chip support */
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gpio_port->gpio_chip.to_irq = falcon_gpio_to_irq;
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