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[ar7] refresh and refine vlynq patch, patch from sn9
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24178 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
florian
parent
cae14a6a2e
commit
71bfc1ff04
@ -1,7 +1,7 @@
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Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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===================================================================
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--- linux-2.6.32.26.orig/drivers/vlynq/vlynq.c 2010-11-24 13:01:20.459985351 -0800
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+++ linux-2.6.32.26/drivers/vlynq/vlynq.c 2010-11-24 13:01:43.537494084 -0800
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--- linux-2.6.32.26.orig/drivers/vlynq/vlynq.c 2010-11-22 10:48:20.000000000 -0800
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+++ linux-2.6.32.26/drivers/vlynq/vlynq.c 2010-11-28 02:56:51.972405343 -0800
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@@ -103,6 +103,12 @@
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}
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#endif
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@ -15,7 +15,7 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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/* Check the VLYNQ link status with a given device */
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static int vlynq_linked(struct vlynq_device *dev)
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{
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@@ -117,20 +123,43 @@
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@@ -117,20 +123,40 @@
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return 0;
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}
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@ -38,9 +38,6 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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{
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+ u32 rtm = readl(&dev->local->revision);
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+
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+ if (rtm < 0x00010200)
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+ return;
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+
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+ rtm = rtm < 0x00010205 || readl(&dev->local->status) & 0x800 == 0 ?
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+ 0 : 0x600000;
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+
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@ -62,7 +59,7 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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}
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static void vlynq_irq_unmask(unsigned int irq)
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@@ -379,6 +408,62 @@
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@@ -379,6 +405,61 @@
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}
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EXPORT_SYMBOL(vlynq_unregister_driver);
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@ -85,9 +82,6 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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+ return -EINVAL;
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+ }
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+
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+ printk(KERN_INFO "%s: local VLYNQ protocol rev. is 0x%08x\n",
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+ dev_name(&dev->dev), readl(&dev->local->revision));
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+
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+ reg = readl(&dev->local->control);
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+ if (readl(&dev->local->revision) < 0x00010205) {
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+ if (clk_dir & vlynq_clk_local)
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@ -102,6 +96,8 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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+ if (!vlynq_linked(dev))
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+ return -ENODEV;
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+
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+ printk(KERN_INFO "%s: local VLYNQ protocol rev. is 0x%08x\n",
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+ dev_name(&dev->dev), readl(&dev->local->revision));
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+ printk(KERN_INFO "%s: remote VLYNQ protocol rev. is 0x%08x\n",
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+ dev_name(&dev->dev), readl(&dev->remote->revision));
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+
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@ -125,15 +121,16 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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/*
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* A VLYNQ remote device can clock the VLYNQ bus master
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* using a dedicated clock line. In that case, both the
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@@ -392,29 +477,15 @@
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@@ -392,29 +473,17 @@
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int i;
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vlynq_reset(dev);
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- for (i = dev->dev_id ? vlynq_rdiv2 : vlynq_rdiv8; dev->dev_id ?
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- i <= vlynq_rdiv8 : i >= vlynq_rdiv2;
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- dev->dev_id ? i++ : i--) {
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-
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+ for (i = 0; i <= 7; i++) {
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+ for (i = dev->dev_id ? 0 : 7; dev->dev_id ? i <= 7 : i >= 0;
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+ dev->dev_id ? i++ : i--) {
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if (!vlynq_linked(dev))
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break;
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@ -149,18 +146,19 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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- &dev->local->control);
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-
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- if (vlynq_linked(dev)) {
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+ if (!__vlynq_set_clocks(dev, vlynq_clk_remote, i, i)) {
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printk(KERN_DEBUG
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- printk(KERN_DEBUG
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- "%s: using remote clock divisor %d\n",
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- dev_name(&dev->dev), i - vlynq_rdiv1 + 1);
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- dev->divisor = i;
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+ if (!__vlynq_set_clocks(dev, vlynq_clk_remote, i, i)) {
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+ printk(KERN_INFO
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+ "%s: using remote clock divisor %d\n",
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+ dev_name(&dev->dev), i + 1);
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+ dev->divisor = i + vlynq_rdiv1;
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return 0;
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} else {
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vlynq_reset(dev);
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@@ -437,21 +508,12 @@
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@@ -437,21 +506,14 @@
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vlynq_reset(dev);
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@ -175,12 +173,15 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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- &dev->local->control);
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-
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- if (vlynq_linked(dev)) {
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+ for (i = 0; i <= 7; i++) {
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+ if (!__vlynq_set_clocks(dev, vlynq_clk_local, i, 0)) {
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printk(KERN_DEBUG
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- printk(KERN_DEBUG
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- "%s: using local clock divisor %d\n",
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- dev_name(&dev->dev), i - vlynq_ldiv1 + 1);
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- dev->divisor = i;
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+ for (i = dev->dev_id ? 0 : 7; dev->dev_id ? i <= 7 : i >= 0;
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+ dev->dev_id ? i++ : i--) {
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+
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+ if (!__vlynq_set_clocks(dev, vlynq_clk_local, i, 0)) {
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+ printk(KERN_INFO
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+ "%s: using local clock divisor %d\n",
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+ dev_name(&dev->dev), i + 1);
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+ dev->divisor = i + vlynq_ldiv1;
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@ -200,10 +201,11 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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- &dev->local->control);
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-
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- if (vlynq_linked(dev)) {
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+ if (!__vlynq_set_clocks(dev, vlynq_clk_external, 0, 0)) {
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printk(KERN_DEBUG "%s: using external clock\n",
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- printk(KERN_DEBUG "%s: using external clock\n",
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- dev_name(&dev->dev));
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- dev->divisor = vlynq_div_external;
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+ if (!__vlynq_set_clocks(dev, vlynq_clk_external, 0, 0)) {
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+ printk(KERN_INFO "%s: using external clock\n",
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+ dev_name(&dev->dev));
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+ dev->divisor = vlynq_div_external;
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return 0;
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@ -240,12 +242,13 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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- vlynq_ldiv1), &dev->local->control);
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- writel(0, &dev->remote->control);
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- if (vlynq_linked(dev)) {
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+ if (!__vlynq_set_clocks(dev, vlynq_clk_local, dev->divisor -
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+ vlynq_ldiv1, 0)) {
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printk(KERN_DEBUG
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- printk(KERN_DEBUG
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- "%s: using local clock divisor %d\n",
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- dev_name(&dev->dev),
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- dev->divisor - vlynq_ldiv1 + 1);
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+ if (!__vlynq_set_clocks(dev, vlynq_clk_local, dev->divisor -
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+ vlynq_ldiv1, 0)) {
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+ printk(KERN_INFO
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+ "%s: using local clock divisor %d\n",
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+ dev_name(&dev->dev),
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+ dev->divisor - vlynq_ldiv1 + 1);
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@ -261,19 +264,20 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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- VLYNQ_CTRL_CLOCK_DIV(dev->divisor -
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- vlynq_rdiv1), &dev->remote->control);
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- if (vlynq_linked(dev)) {
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+ if (!__vlynq_set_clocks(dev, vlynq_clk_remote, 0,
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+ dev->divisor - vlynq_rdiv1)) {
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printk(KERN_DEBUG
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- printk(KERN_DEBUG
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- "%s: using remote clock divisor %d\n",
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- dev_name(&dev->dev),
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- dev->divisor - vlynq_rdiv1 + 1);
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+ if (!__vlynq_set_clocks(dev, vlynq_clk_remote, 0,
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+ dev->divisor - vlynq_rdiv1)) {
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+ printk(KERN_INFO
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+ "%s: using remote clock divisor %d\n",
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+ dev_name(&dev->dev),
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+ dev->divisor - vlynq_rdiv1 + 1);
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return 0;
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}
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break;
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@@ -732,13 +771,13 @@
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@@ -732,13 +771,12 @@
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platform_set_drvdata(pdev, dev);
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printk(KERN_INFO "%s: regs 0x%p, irq %d, mem 0x%p\n",
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@ -282,20 +286,18 @@ Index: linux-2.6.32.26/drivers/vlynq/vlynq.c
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+ dev_name(&dev->dev), (void *)dev->regs_start,
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+ dev->irq, (void *)dev->mem_start);
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- dev->dev_id = 0;
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dev->dev_id = 0;
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dev->divisor = vlynq_div_auto;
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- result = __vlynq_enable_device(dev);
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- if (result == 0) {
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+ if (__vlynq_enable_device(dev))
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+ dev->dev_id = 0;
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+ else {
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+ if (!__vlynq_enable_device(dev)) {
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dev->dev_id = readl(&dev->remote->chip);
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((struct plat_vlynq_ops *)(dev->dev.platform_data))->off(dev);
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}
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Index: linux-2.6.32.26/include/linux/vlynq.h
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===================================================================
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--- linux-2.6.32.26.orig/include/linux/vlynq.h 2010-11-24 13:07:33.297487888 -0800
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+++ linux-2.6.32.26/include/linux/vlynq.h 2010-11-24 13:08:44.107488596 -0800
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--- linux-2.6.32.26.orig/include/linux/vlynq.h 2010-11-22 10:48:20.000000000 -0800
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+++ linux-2.6.32.26/include/linux/vlynq.h 2010-11-27 12:08:39.312438011 -0800
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@@ -98,6 +98,7 @@
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extern struct bus_type vlynq_bus_type;
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