This time without the HTLM :(
The following cleans up the telecom clock driver for the MPCBL0010.
There was a small TPS change that this update relflects.
There where some non-static functions that are now static.
Signed-off-by: Mark Gross <[email protected]>
diff -urN -X dontdiff linux-2.6.15-rc2-git2/drivers/char/tlclk.c linux-2.6.15-rc2-git2-tlclk/drivers/char/tlclk.c
--- linux-2.6.15-rc2-git2/drivers/char/tlclk.c 2005-11-22 09:45:38.000000000 -0800
+++ linux-2.6.15-rc2-git2-tlclk/drivers/char/tlclk.c 2005-11-22 10:41:42.000000000 -0800
@@ -34,7 +34,6 @@
#include <linux/kernel.h> /* printk() */
#include <linux/fs.h> /* everything... */
#include <linux/errno.h> /* error codes */
-#include <linux/delay.h> /* udelay */
#include <linux/slab.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
@@ -165,7 +164,7 @@
filter_select :
hardware_switching :
hardware_switching_mode :
-interrupt_switch :
+telclock_version :
mode_select :
refalign :
reset :
@@ -173,7 +172,6 @@
select_amcb2_transmit_clock :
select_redundant_clock :
select_ref_frequency :
-test_mode :
All sysfs interfaces are integers in hex format, i.e echo 99 > refalign
has the same effect as echo 0x99 > refalign.
@@ -226,7 +224,7 @@
return 0;
}
-ssize_t tlclk_read(struct file *filp, char __user *buf, size_t count,
+static ssize_t tlclk_read(struct file *filp, char __user *buf, size_t count,
loff_t *f_pos)
{
if (count < sizeof(struct tlclk_alarms))
@@ -242,7 +240,7 @@
return sizeof(struct tlclk_alarms);
}
-ssize_t tlclk_write(struct file *filp, const char __user *buf, size_t count,
+static ssize_t tlclk_write(struct file *filp, const char __user *buf, size_t count,
loff_t *f_pos)
{
return 0;
@@ -278,21 +276,21 @@
static DEVICE_ATTR(current_ref, S_IRUGO, show_current_ref, NULL);
-static ssize_t show_interrupt_switch(struct device *d,
+static ssize_t show_telclock_version(struct device *d,
struct device_attribute *attr, char *buf)
{
unsigned long ret_val;
unsigned long flags;
spin_lock_irqsave(&event_lock, flags);
- ret_val = inb(TLCLK_REG6);
+ ret_val = inb(TLCLK_REG5);
spin_unlock_irqrestore(&event_lock, flags);
return sprintf(buf, "0x%lX\n", ret_val);
}
-static DEVICE_ATTR(interrupt_switch, S_IRUGO,
- show_interrupt_switch, NULL);
+static DEVICE_ATTR(telclock_version, S_IRUGO,
+ show_telclock_version, NULL);
static ssize_t show_alarms(struct device *d,
struct device_attribute *attr, char *buf)
@@ -436,26 +434,6 @@
static DEVICE_ATTR(enable_clka0_output, S_IWUGO, NULL,
store_enable_clka0_output);
-static ssize_t store_test_mode(struct device *d,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- unsigned long flags;
- unsigned long tmp;
- unsigned char val;
-
- sscanf(buf, "%lX", &tmp);
- dev_dbg(d, "tmp = 0x%lX\n", tmp);
-
- val = (unsigned char)tmp;
- spin_lock_irqsave(&event_lock, flags);
- SET_PORT_BITS(TLCLK_REG4, 0xfd, 2);
- spin_unlock_irqrestore(&event_lock, flags);
-
- return strnlen(buf, count);
-}
-
-static DEVICE_ATTR(test_mode, S_IWUGO, NULL, store_test_mode);
-
static ssize_t store_select_amcb2_transmit_clock(struct device *d,
struct device_attribute *attr, const char *buf, size_t count)
{
@@ -475,7 +453,7 @@
SET_PORT_BITS(TLCLK_REG3, 0xc7, 0x38);
switch (val) {
case CLK_8_592MHz:
- SET_PORT_BITS(TLCLK_REG0, 0xfc, 1);
+ SET_PORT_BITS(TLCLK_REG0, 0xfc, 2);
break;
case CLK_11_184MHz:
SET_PORT_BITS(TLCLK_REG0, 0xfc, 0);
@@ -484,7 +462,7 @@
SET_PORT_BITS(TLCLK_REG0, 0xfc, 3);
break;
case CLK_44_736MHz:
- SET_PORT_BITS(TLCLK_REG0, 0xfc, 2);
+ SET_PORT_BITS(TLCLK_REG0, 0xfc, 1);
break;
}
} else
@@ -653,9 +631,7 @@
dev_dbg(d, "tmp = 0x%lX\n", tmp);
spin_lock_irqsave(&event_lock, flags);
SET_PORT_BITS(TLCLK_REG0, 0xf7, 0);
- udelay(2);
SET_PORT_BITS(TLCLK_REG0, 0xf7, 0x08);
- udelay(2);
SET_PORT_BITS(TLCLK_REG0, 0xf7, 0);
spin_unlock_irqrestore(&event_lock, flags);
@@ -706,7 +682,7 @@
static struct attribute *tlclk_sysfs_entries[] = {
&dev_attr_current_ref.attr,
- &dev_attr_interrupt_switch.attr,
+ &dev_attr_telclock_version.attr,
&dev_attr_alarms.attr,
&dev_attr_enable_clk3a_output.attr,
&dev_attr_enable_clk3b_output.attr,
@@ -714,7 +690,6 @@
&dev_attr_enable_clka1_output.attr,
&dev_attr_enable_clkb0_output.attr,
&dev_attr_enable_clka0_output.attr,
- &dev_attr_test_mode.attr,
&dev_attr_select_amcb1_transmit_clock.attr,
&dev_attr_select_amcb2_transmit_clock.attr,
&dev_attr_select_redundant_clock.attr,
--
--mgross
Intel Open Source Technology Center
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