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Diffstat (limited to 'target/linux/ar7/patches-2.6.30/131-vlynq_fixes.patch')
-rw-r--r--target/linux/ar7/patches-2.6.30/131-vlynq_fixes.patch548
1 files changed, 0 insertions, 548 deletions
diff --git a/target/linux/ar7/patches-2.6.30/131-vlynq_fixes.patch b/target/linux/ar7/patches-2.6.30/131-vlynq_fixes.patch
deleted file mode 100644
index 1f11627d6..000000000
--- a/target/linux/ar7/patches-2.6.30/131-vlynq_fixes.patch
+++ /dev/null
@@ -1,548 +0,0 @@
---- a/drivers/vlynq/vlynq.c
-+++ b/drivers/vlynq/vlynq.c
-@@ -14,6 +14,9 @@
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-+ *
-+ * Parts of the VLYNQ specification can be found here:
-+ * http://www.ti.com/litv/pdf/sprue36a
- */
-
- #include <linux/init.h>
-@@ -25,7 +28,6 @@
- #include <linux/errno.h>
- #include <linux/platform_device.h>
- #include <linux/interrupt.h>
--#include <linux/device.h>
- #include <linux/delay.h>
- #include <linux/io.h>
-
-@@ -73,15 +75,11 @@ struct vlynq_regs {
- u32 int_device[8];
- };
-
--#define vlynq_reg_read(reg) readl(&(reg))
--#define vlynq_reg_write(reg, val) writel(val, &(reg))
--
--static int __vlynq_enable_device(struct vlynq_device *dev);
--
--#ifdef VLYNQ_DEBUG
-+#ifdef CONFIG_VLYNQ_DEBUG
- static void vlynq_dump_regs(struct vlynq_device *dev)
- {
- int i;
-+
- printk(KERN_DEBUG "VLYNQ local=%p remote=%p\n",
- dev->local, dev->remote);
- for (i = 0; i < 32; i++) {
-@@ -95,20 +93,23 @@ static void vlynq_dump_regs(struct vlynq
- static void vlynq_dump_mem(u32 *base, int count)
- {
- int i;
-+
- for (i = 0; i < (count + 3) / 4; i++) {
-- if (i % 4 == 0) printk(KERN_DEBUG "\nMEM[0x%04x]:", i * 4);
-+ if (i % 4 == 0)
-+ printk(KERN_DEBUG "\nMEM[0x%04x]:", i * 4);
- printk(KERN_DEBUG " 0x%08x", *(base + i));
- }
- printk(KERN_DEBUG "\n");
- }
- #endif
-
--int vlynq_linked(struct vlynq_device *dev)
-+/* Check the VLYNQ link status with a given device */
-+static int vlynq_linked(struct vlynq_device *dev)
- {
- int i;
-
- for (i = 0; i < 100; i++)
-- if (vlynq_reg_read(dev->local->status) & VLYNQ_STATUS_LINK)
-+ if (readl(&dev->local->status) & VLYNQ_STATUS_LINK)
- return 1;
- else
- cpu_relax();
-@@ -118,17 +119,15 @@ int vlynq_linked(struct vlynq_device *de
-
- static void vlynq_reset(struct vlynq_device *dev)
- {
-- vlynq_reg_write(dev->local->control,
-- vlynq_reg_read(dev->local->control) |
-- VLYNQ_CTRL_RESET);
-+ writel(readl(&dev->local->control) | VLYNQ_CTRL_RESET,
-+ &dev->local->control);
-
- /* Wait for the devices to finish resetting */
- msleep(5);
-
- /* Remove reset bit */
-- vlynq_reg_write(dev->local->control,
-- vlynq_reg_read(dev->local->control) &
-- ~VLYNQ_CTRL_RESET);
-+ writel(readl(&dev->local->control) & ~VLYNQ_CTRL_RESET,
-+ &dev->local->control);
-
- /* Give some time for the devices to settle */
- msleep(5);
-@@ -142,9 +141,9 @@ static void vlynq_irq_unmask(unsigned in
-
- BUG_ON(!dev);
- virq = irq - dev->irq_start;
-- val = vlynq_reg_read(dev->remote->int_device[virq >> 2]);
-+ val = readl(&dev->remote->int_device[virq >> 2]);
- val |= (VINT_ENABLE | virq) << VINT_OFFSET(virq);
-- vlynq_reg_write(dev->remote->int_device[virq >> 2], val);
-+ writel(val, &dev->remote->int_device[virq >> 2]);
- }
-
- static void vlynq_irq_mask(unsigned int irq)
-@@ -155,9 +154,9 @@ static void vlynq_irq_mask(unsigned int
-
- BUG_ON(!dev);
- virq = irq - dev->irq_start;
-- val = vlynq_reg_read(dev->remote->int_device[virq >> 2]);
-+ val = readl(&dev->remote->int_device[virq >> 2]);
- val &= ~(VINT_ENABLE << VINT_OFFSET(virq));
-- vlynq_reg_write(dev->remote->int_device[virq >> 2], val);
-+ writel(val, &dev->remote->int_device[virq >> 2]);
- }
-
- static int vlynq_irq_type(unsigned int irq, unsigned int flow_type)
-@@ -168,7 +167,7 @@ static int vlynq_irq_type(unsigned int i
-
- BUG_ON(!dev);
- virq = irq - dev->irq_start;
-- val = vlynq_reg_read(dev->remote->int_device[virq >> 2]);
-+ val = readl(&dev->remote->int_device[virq >> 2]);
- switch (flow_type & IRQ_TYPE_SENSE_MASK) {
- case IRQ_TYPE_EDGE_RISING:
- case IRQ_TYPE_EDGE_FALLING:
-@@ -187,28 +186,30 @@ static int vlynq_irq_type(unsigned int i
- default:
- return -EINVAL;
- }
-- vlynq_reg_write(dev->remote->int_device[virq >> 2], val);
-+ writel(val, &dev->remote->int_device[virq >> 2]);
- return 0;
- }
-
- static void vlynq_local_ack(unsigned int irq)
- {
- struct vlynq_device *dev = get_irq_chip_data(irq);
-- u32 status = vlynq_reg_read(dev->local->status);
-- if (printk_ratelimit())
-- printk(KERN_DEBUG "%s: local status: 0x%08x\n",
-- dev->dev.bus_id, status);
-- vlynq_reg_write(dev->local->status, status);
-+
-+ u32 status = readl(&dev->local->status);
-+
-+ pr_debug("%s: local status: 0x%08x\n",
-+ dev_name(&dev->dev), status);
-+ writel(status, &dev->local->status);
- }
-
- static void vlynq_remote_ack(unsigned int irq)
- {
- struct vlynq_device *dev = get_irq_chip_data(irq);
-- u32 status = vlynq_reg_read(dev->remote->status);
-- if (printk_ratelimit())
-- printk(KERN_DEBUG "%s: remote status: 0x%08x\n",
-- dev->dev.bus_id, status);
-- vlynq_reg_write(dev->remote->status, status);
-+
-+ u32 status = readl(&dev->remote->status);
-+
-+ pr_debug("%s: remote status: 0x%08x\n",
-+ dev_name(&dev->dev), status);
-+ writel(status, &dev->remote->status);
- }
-
- static irqreturn_t vlynq_irq(int irq, void *dev_id)
-@@ -217,8 +218,8 @@ static irqreturn_t vlynq_irq(int irq, vo
- u32 status;
- int virq = 0;
-
-- status = vlynq_reg_read(dev->local->int_status);
-- vlynq_reg_write(dev->local->int_status, status);
-+ status = readl(&dev->local->int_status);
-+ writel(status, &dev->local->int_status);
-
- if (unlikely(!status))
- spurious_interrupt();
-@@ -262,28 +263,28 @@ static int vlynq_setup_irq(struct vlynq_
- if (dev->local_irq == dev->remote_irq) {
- printk(KERN_ERR
- "%s: local vlynq irq should be different from remote\n",
-- dev->dev.bus_id);
-+ dev_name(&dev->dev));
- return -EINVAL;
- }
-
- /* Clear local and remote error bits */
-- vlynq_reg_write(dev->local->status, vlynq_reg_read(dev->local->status));
-- vlynq_reg_write(dev->remote->status,
-- vlynq_reg_read(dev->remote->status));
-+ writel(readl(&dev->local->status), &dev->local->status);
-+ writel(readl(&dev->remote->status), &dev->remote->status);
-
- /* Now setup interrupts */
- val = VLYNQ_CTRL_INT_VECTOR(dev->local_irq);
- val |= VLYNQ_CTRL_INT_ENABLE | VLYNQ_CTRL_INT_LOCAL |
- VLYNQ_CTRL_INT2CFG;
-- val |= vlynq_reg_read(dev->local->control);
-- vlynq_reg_write(dev->local->int_ptr, VLYNQ_INT_OFFSET);
-- vlynq_reg_write(dev->local->control, val);
-+ val |= readl(&dev->local->control);
-+ writel(VLYNQ_INT_OFFSET, &dev->local->int_ptr);
-+ writel(val, &dev->local->control);
-
- val = VLYNQ_CTRL_INT_VECTOR(dev->remote_irq);
- val |= VLYNQ_CTRL_INT_ENABLE;
-- val |= vlynq_reg_read(dev->remote->control);
-- vlynq_reg_write(dev->remote->int_ptr, VLYNQ_INT_OFFSET);
-- vlynq_reg_write(dev->remote->control, val);
-+ val |= readl(&dev->remote->control);
-+ writel(VLYNQ_INT_OFFSET, &dev->remote->int_ptr);
-+ writel(val, &dev->remote->int_ptr);
-+ writel(val, &dev->remote->control);
-
- for (i = dev->irq_start; i <= dev->irq_end; i++) {
- virq = i - dev->irq_start;
-@@ -299,12 +300,13 @@ static int vlynq_setup_irq(struct vlynq_
- set_irq_chip_and_handler(i, &vlynq_irq_chip,
- handle_simple_irq);
- set_irq_chip_data(i, dev);
-- vlynq_reg_write(dev->remote->int_device[virq >> 2], 0);
-+ writel(0, &dev->remote->int_device[virq >> 2]);
- }
- }
-
- if (request_irq(dev->irq, vlynq_irq, IRQF_SHARED, "vlynq", dev)) {
-- printk(KERN_ERR "%s: request_irq failed\n", dev->dev.bus_id);
-+ printk(KERN_ERR "%s: request_irq failed\n",
-+ dev_name(&dev->dev));
- return -EAGAIN;
- }
-
-@@ -328,11 +330,11 @@ static int vlynq_device_match(struct dev
- if (ids->id == vdev->dev_id) {
- vdev->divisor = ids->divisor;
- vlynq_set_drvdata(vdev, ids);
-- printk(KERN_INFO "Driver found for VLYNQ " \
-+ printk(KERN_INFO "Driver found for VLYNQ "
- "device: %08x\n", vdev->dev_id);
- return 1;
- }
-- printk(KERN_DEBUG "Not using the %08x VLYNQ device's driver" \
-+ printk(KERN_DEBUG "Not using the %08x VLYNQ device's driver"
- " for VLYNQ device: %08x\n", ids->id, vdev->dev_id);
- ids++;
- }
-@@ -346,8 +348,7 @@ static int vlynq_device_probe(struct dev
- struct vlynq_device_id *id = vlynq_get_drvdata(vdev);
- int result = -ENODEV;
-
-- get_device(dev);
-- if (drv && drv->probe)
-+ if (drv->probe)
- result = drv->probe(vdev, id);
- if (result)
- put_device(dev);
-@@ -357,9 +358,10 @@ static int vlynq_device_probe(struct dev
- static int vlynq_device_remove(struct device *dev)
- {
- struct vlynq_driver *drv = to_vlynq_driver(dev->driver);
-- if (drv && drv->remove)
-+
-+ if (drv->remove)
- drv->remove(to_vlynq_device(dev));
-- put_device(dev);
-+
- return 0;
- }
-
-@@ -377,6 +379,14 @@ void vlynq_unregister_driver(struct vlyn
- }
- EXPORT_SYMBOL(vlynq_unregister_driver);
-
-+/*
-+ * A VLYNQ remote device can clock the VLYNQ bus master
-+ * using a dedicated clock line. In that case, both the
-+ * remove device and the bus master should have the same
-+ * serial clock dividers configured. Iterate through the
-+ * 8 possible dividers until we actually link with the
-+ * device.
-+ */
- static int __vlynq_try_remote(struct vlynq_device *dev)
- {
- int i;
-@@ -389,21 +399,21 @@ static int __vlynq_try_remote(struct vly
- if (!vlynq_linked(dev))
- break;
-
-- vlynq_reg_write(dev->remote->control,
-- (vlynq_reg_read(dev->remote->control) &
-+ writel((readl(&dev->remote->control) &
- ~VLYNQ_CTRL_CLOCK_MASK) |
- VLYNQ_CTRL_CLOCK_INT |
-- VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1));
-- vlynq_reg_write(dev->local->control,
-- ((vlynq_reg_read(dev->local->control)
-+ VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1),
-+ &dev->remote->control);
-+ writel((readl(&dev->local->control)
- & ~(VLYNQ_CTRL_CLOCK_INT |
- VLYNQ_CTRL_CLOCK_MASK)) |
-- VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1)));
-+ VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1),
-+ &dev->local->control);
-
- if (vlynq_linked(dev)) {
- printk(KERN_DEBUG
- "%s: using remote clock divisor %d\n",
-- dev->dev.bus_id, i - vlynq_rdiv1 + 1);
-+ dev_name(&dev->dev), i - vlynq_rdiv1 + 1);
- dev->divisor = i;
- return 0;
- } else {
-@@ -414,26 +424,33 @@ static int __vlynq_try_remote(struct vly
- return -ENODEV;
- }
-
-+/*
-+ * A VLYNQ remote device can be clocked by the VLYNQ bus
-+ * master using a dedicated clock line. In that case, only
-+ * the bus master configures the serial clock divider.
-+ * Iterate through the 8 possible dividers until we
-+ * actually get a link with the device.
-+ */
- static int __vlynq_try_local(struct vlynq_device *dev)
- {
- int i;
--
-+
- vlynq_reset(dev);
-
- for (i = dev->dev_id ? vlynq_ldiv2 : vlynq_ldiv8; dev->dev_id ?
- i <= vlynq_ldiv8 : i >= vlynq_ldiv2;
- dev->dev_id ? i++ : i--) {
-
-- vlynq_reg_write(dev->local->control,
-- (vlynq_reg_read(dev->local->control) &
-+ writel((readl(&dev->local->control) &
- ~VLYNQ_CTRL_CLOCK_MASK) |
- VLYNQ_CTRL_CLOCK_INT |
-- VLYNQ_CTRL_CLOCK_DIV(i - vlynq_ldiv1));
-+ VLYNQ_CTRL_CLOCK_DIV(i - vlynq_ldiv1),
-+ &dev->local->control);
-
- if (vlynq_linked(dev)) {
- printk(KERN_DEBUG
- "%s: using local clock divisor %d\n",
-- dev->dev.bus_id, i - vlynq_ldiv1 + 1);
-+ dev_name(&dev->dev), i - vlynq_ldiv1 + 1);
- dev->divisor = i;
- return 0;
- } else {
-@@ -444,27 +461,33 @@ static int __vlynq_try_local(struct vlyn
- return -ENODEV;
- }
-
-+/*
-+ * When using external clocking method, serial clock
-+ * is supplied by an external oscillator, therefore we
-+ * should mask the local clock bit in the clock control
-+ * register for both the bus master and the remote device.
-+ */
- static int __vlynq_try_external(struct vlynq_device *dev)
- {
- vlynq_reset(dev);
- if (!vlynq_linked(dev))
- return -ENODEV;
-
-- vlynq_reg_write(dev->remote->control,
-- (vlynq_reg_read(dev->remote->control) &
-- ~VLYNQ_CTRL_CLOCK_INT));
--
-- vlynq_reg_write(dev->local->control,
-- (vlynq_reg_read(dev->local->control) &
-- ~VLYNQ_CTRL_CLOCK_INT));
-+ writel((readl(&dev->remote->control) &
-+ ~VLYNQ_CTRL_CLOCK_INT),
-+ &dev->remote->control);
-+
-+ writel((readl(&dev->local->control) &
-+ ~VLYNQ_CTRL_CLOCK_INT),
-+ &dev->local->control);
-
- if (vlynq_linked(dev)) {
- printk(KERN_DEBUG "%s: using external clock\n",
-- dev->dev.bus_id);
-+ dev_name(&dev->dev));
- dev->divisor = vlynq_div_external;
- return 0;
- }
--
-+
- return -ENODEV;
- }
-
-@@ -481,10 +504,10 @@ static int __vlynq_enable_device(struct
- case vlynq_div_external:
- case vlynq_div_auto:
- /* When the device is brought from reset it should have clock
-- generation negotiated by hardware.
-- Check which device is generating clocks and perform setup
-- accordingly */
-- if (vlynq_linked(dev) && vlynq_reg_read(dev->remote->control) &
-+ * generation negotiated by hardware.
-+ * Check which device is generating clocks and perform setup
-+ * accordingly */
-+ if (vlynq_linked(dev) && readl(&dev->remote->control) &
- VLYNQ_CTRL_CLOCK_INT) {
- if (!__vlynq_try_remote(dev) ||
- !__vlynq_try_local(dev) ||
-@@ -497,31 +520,43 @@ static int __vlynq_enable_device(struct
- return 0;
- }
- break;
-- case vlynq_ldiv1: case vlynq_ldiv2: case vlynq_ldiv3: case vlynq_ldiv4:
-- case vlynq_ldiv5: case vlynq_ldiv6: case vlynq_ldiv7: case vlynq_ldiv8:
-- vlynq_reg_write(dev->local->control,
-- VLYNQ_CTRL_CLOCK_INT |
-- VLYNQ_CTRL_CLOCK_DIV(dev->divisor -
-- vlynq_ldiv1));
-- vlynq_reg_write(dev->remote->control, 0);
-+ case vlynq_ldiv1:
-+ case vlynq_ldiv2:
-+ case vlynq_ldiv3:
-+ case vlynq_ldiv4:
-+ case vlynq_ldiv5:
-+ case vlynq_ldiv6:
-+ case vlynq_ldiv7:
-+ case vlynq_ldiv8:
-+ writel(VLYNQ_CTRL_CLOCK_INT |
-+ VLYNQ_CTRL_CLOCK_DIV(dev->divisor -
-+ vlynq_ldiv1), &dev->local->control);
-+ writel(0, &dev->remote->control);
- if (vlynq_linked(dev)) {
- printk(KERN_DEBUG
-- "%s: using local clock divisor %d\n",
-- dev->dev.bus_id, dev->divisor - vlynq_ldiv1 + 1);
-+ "%s: using local clock divisor %d\n",
-+ dev_name(&dev->dev),
-+ dev->divisor - vlynq_ldiv1 + 1);
- return 0;
- }
- break;
-- case vlynq_rdiv1: case vlynq_rdiv2: case vlynq_rdiv3: case vlynq_rdiv4:
-- case vlynq_rdiv5: case vlynq_rdiv6: case vlynq_rdiv7: case vlynq_rdiv8:
-- vlynq_reg_write(dev->local->control, 0);
-- vlynq_reg_write(dev->remote->control,
-- VLYNQ_CTRL_CLOCK_INT |
-- VLYNQ_CTRL_CLOCK_DIV(dev->divisor -
-- vlynq_rdiv1));
-+ case vlynq_rdiv1:
-+ case vlynq_rdiv2:
-+ case vlynq_rdiv3:
-+ case vlynq_rdiv4:
-+ case vlynq_rdiv5:
-+ case vlynq_rdiv6:
-+ case vlynq_rdiv7:
-+ case vlynq_rdiv8:
-+ writel(0, &dev->local->control);
-+ writel(VLYNQ_CTRL_CLOCK_INT |
-+ VLYNQ_CTRL_CLOCK_DIV(dev->divisor -
-+ vlynq_rdiv1), &dev->remote->control);
- if (vlynq_linked(dev)) {
- printk(KERN_DEBUG
-- "%s: using remote clock divisor %d\n",
-- dev->dev.bus_id, dev->divisor - vlynq_rdiv1 + 1);
-+ "%s: using remote clock divisor %d\n",
-+ dev_name(&dev->dev),
-+ dev->divisor - vlynq_rdiv1 + 1);
- return 0;
- }
- break;
-@@ -568,12 +603,10 @@ int vlynq_set_local_mapping(struct vlynq
- if (!dev->enabled)
- return -ENXIO;
-
-- vlynq_reg_write(dev->local->tx_offset, tx_offset);
-+ writel(tx_offset, &dev->local->tx_offset);
- for (i = 0; i < 4; i++) {
-- vlynq_reg_write(dev->local->rx_mapping[i].offset,
-- mapping[i].offset);
-- vlynq_reg_write(dev->local->rx_mapping[i].size,
-- mapping[i].size);
-+ writel(mapping[i].offset, &dev->local->rx_mapping[i].offset);
-+ writel(mapping[i].size, &dev->local->rx_mapping[i].size);
- }
- return 0;
- }
-@@ -587,12 +620,10 @@ int vlynq_set_remote_mapping(struct vlyn
- if (!dev->enabled)
- return -ENXIO;
-
-- vlynq_reg_write(dev->remote->tx_offset, tx_offset);
-+ writel(tx_offset, &dev->remote->tx_offset);
- for (i = 0; i < 4; i++) {
-- vlynq_reg_write(dev->remote->rx_mapping[i].offset,
-- mapping[i].offset);
-- vlynq_reg_write(dev->remote->rx_mapping[i].size,
-- mapping[i].size);
-+ writel(mapping[i].offset, &dev->remote->rx_mapping[i].offset);
-+ writel(mapping[i].size, &dev->remote->rx_mapping[i].size);
- }
- return 0;
- }
-@@ -662,8 +693,7 @@ static int vlynq_probe(struct platform_d
- dev->id = pdev->id;
- dev->dev.bus = &vlynq_bus_type;
- dev->dev.parent = &pdev->dev;
-- snprintf(dev->dev.bus_id, BUS_ID_SIZE, "vlynq%d", dev->id);
-- dev->dev.bus_id[BUS_ID_SIZE - 1] = 0;
-+ dev_set_name(&dev->dev, "vlynq%d", dev->id);
- dev->dev.platform_data = pdev->dev.platform_data;
- dev->dev.release = vlynq_device_release;
-
-@@ -673,9 +703,9 @@ static int vlynq_probe(struct platform_d
- dev->mem_end = mem_res->end;
-
- len = regs_res->end - regs_res->start;
-- if (!request_mem_region(regs_res->start, len, dev->dev.bus_id)) {
-+ if (!request_mem_region(regs_res->start, len, dev_name(&dev->dev))) {
- printk(KERN_ERR "%s: Can't request vlynq registers\n",
-- dev->dev.bus_id);
-+ dev_name(&dev->dev));
- result = -ENXIO;
- goto fail_request;
- }
-@@ -683,7 +713,7 @@ static int vlynq_probe(struct platform_d
- dev->local = ioremap(regs_res->start, len);
- if (!dev->local) {
- printk(KERN_ERR "%s: Can't remap vlynq registers\n",
-- dev->dev.bus_id);
-+ dev_name(&dev->dev));
- result = -ENXIO;
- goto fail_remap;
- }
-@@ -702,14 +732,14 @@ static int vlynq_probe(struct platform_d
- platform_set_drvdata(pdev, dev);
-
- printk(KERN_INFO "%s: regs 0x%p, irq %d, mem 0x%p\n",
-- dev->dev.bus_id, (void *)dev->regs_start, dev->irq,
-+ dev_name(&dev->dev), (void *)dev->regs_start, dev->irq,
- (void *)dev->mem_start);
-
- dev->dev_id = 0;
- dev->divisor = vlynq_div_auto;
- result = __vlynq_enable_device(dev);
- if (result == 0) {
-- dev->dev_id = vlynq_reg_read(dev->remote->chip);
-+ dev->dev_id = readl(&dev->remote->chip);
- ((struct plat_vlynq_ops *)(dev->dev.platform_data))->off(dev);
- }
- if (dev->dev_id)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 01:13:37 +0000