several patches to make OF work on rt2x00

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 36178
This commit is contained in:
John Crispin 2013-04-03 10:00:29 +00:00
parent b4487f1e35
commit 97adfa35c0
4 changed files with 141 additions and 0 deletions

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@ -0,0 +1,39 @@
From 04dbd87265f6ba4a373b211ba324b437d224fb2d Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Sun, 17 Mar 2013 00:03:31 +0100
Subject: [PATCH 21/38] rt2x00: make wmac loadable via OF on rt288x/305x SoC
This patch ads the match table to allow loading the wmac support from a
devicetree.
Signed-off-by: John Crispin <blogic@openwrt.org>
---
drivers/net/wireless/rt2x00/rt2800pci.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index ded73da..e5deb9e 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1183,11 +1183,18 @@ static int rt2800soc_probe(struct platform_device *pdev)
return rt2x00soc_probe(pdev, &rt2800pci_ops);
}
+static const struct of_device_id rt2880_wmac_match[] = {
+ { .compatible = "ralink,rt2880-wmac" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, rt2880_wmac_match);
+
static struct platform_driver rt2800soc_driver = {
.driver = {
.name = "rt2800_wmac",
.owner = THIS_MODULE,
.mod_name = KBUILD_MODNAME,
+ .of_match_table = rt2880_wmac_match,
},
.probe = rt2800soc_probe,
.remove = rt2x00soc_remove,
--
1.7.10.4

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@ -0,0 +1,49 @@
Index: compat-wireless-2013-02-22/drivers/net/wireless/rt2x00/rt2800pci.c
===================================================================
--- compat-wireless-2013-02-22.orig/drivers/net/wireless/rt2x00/rt2800pci.c 2013-03-31 19:25:51.185815171 +0200
+++ compat-wireless-2013-02-22/drivers/net/wireless/rt2x00/rt2800pci.c 2013-03-31 19:27:59.805818237 +0200
@@ -1179,7 +1179,7 @@
#endif /* CONFIG_PCI */
MODULE_LICENSE("GPL");
-#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
+#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
static int rt2800soc_probe(struct platform_device *pdev)
{
return rt2x00soc_probe(pdev, &rt2800pci_ops);
@@ -1203,7 +1203,7 @@
.suspend = rt2x00soc_suspend,
.resume = rt2x00soc_resume,
};
-#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
+#endif /* CONFIG_SOC_RT288X || CONFIG_SOC_RT305X */
#ifdef CONFIG_PCI
static int rt2800pci_probe(struct pci_dev *pci_dev,
@@ -1226,7 +1226,7 @@
{
int ret = 0;
-#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
+#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
ret = platform_driver_register(&rt2800soc_driver);
if (ret)
return ret;
@@ -1234,7 +1234,7 @@
#ifdef CONFIG_PCI
ret = pci_register_driver(&rt2800pci_driver);
if (ret) {
-#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
+#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
platform_driver_unregister(&rt2800soc_driver);
#endif
return ret;
@@ -1249,7 +1249,7 @@
#ifdef CONFIG_PCI
pci_unregister_driver(&rt2800pci_driver);
#endif
-#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
+#if defined(CONFIG_SOC_RT288X) || defined(CONFIG_SOC_RT305X)
platform_driver_unregister(&rt2800soc_driver);
#endif
}

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@ -0,0 +1,22 @@
Index: compat-wireless-2013-02-22/drivers/net/wireless/rt2x00/rt2800pci.c
===================================================================
--- compat-wireless-2013-02-22.orig/drivers/net/wireless/rt2x00/rt2800pci.c 2013-03-31 19:27:59.805818237 +0200
+++ compat-wireless-2013-02-22/drivers/net/wireless/rt2x00/rt2800pci.c 2013-03-31 19:40:07.313835573 +0200
@@ -322,11 +322,17 @@
static char *rt2800pci_get_eeprom_file_name(struct rt2x00_dev *rt2x00dev)
{
struct rt2x00_platform_data *pdata;
+ struct device_node *np;
+ char *eep;
pdata = rt2x00dev->dev->platform_data;
if (pdata)
return pdata->eeprom_file_name;
+ np = rt2x00dev->dev->of_node;
+ if (np && !of_property_read_string(np, "ralink,eeprom", &eep))
+ return eep;
+
return NULL;
}

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@ -0,0 +1,31 @@
Index: compat-wireless-2013-02-22/drivers/net/wireless/rt2x00/rt2800lib.c
===================================================================
--- compat-wireless-2013-02-22.orig/drivers/net/wireless/rt2x00/rt2800lib.c 2013-04-02 10:56:56.245205151 +0200
+++ compat-wireless-2013-02-22/drivers/net/wireless/rt2x00/rt2800lib.c 2013-04-02 11:24:06.057243987 +0200
@@ -38,6 +38,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/clk.h>
#include "rt2x00.h"
#include "rt2800lib.h"
@@ -5505,13 +5506,14 @@
int rt2800_probe_clk(struct rt2x00_dev *rt2x00dev)
{
- struct rt2x00_platform_data *pdata = rt2x00dev->dev->platform_data;
struct hw_mode_spec *spec = &rt2x00dev->spec;
+ struct clk *clk = clk_get(rt2x00dev->dev, NULL);
- if (!pdata)
- return -EINVAL;
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
- spec->clk_is_20mhz = pdata->clk_is_20mhz;
+ if (clk_get_rate(clk) == 20000000)
+ spec->clk_is_20mhz = 1;
return 0;
}