mirror of
https://github.com/torvalds/linux.git
synced 2024-12-04 01:51:34 +00:00
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide
Pull IDE fixlet from David Miller: "Just a y2038 fix to the pdc202xx_new IDE driver" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide: ide: pdc202xx_new: Replace timeval with ktime_t
This commit is contained in:
commit
1b1050cdc5
@ -22,6 +22,7 @@
|
||||
#include <linux/pci.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/ide.h>
|
||||
#include <linux/ktime.h>
|
||||
|
||||
#include <asm/io.h>
|
||||
|
||||
@ -243,13 +244,13 @@ static long read_counter(u32 dma_base)
|
||||
*/
|
||||
static long detect_pll_input_clock(unsigned long dma_base)
|
||||
{
|
||||
struct timeval start_time, end_time;
|
||||
ktime_t start_time, end_time;
|
||||
long start_count, end_count;
|
||||
long pll_input, usec_elapsed;
|
||||
u8 scr1;
|
||||
|
||||
start_count = read_counter(dma_base);
|
||||
do_gettimeofday(&start_time);
|
||||
start_time = ktime_get();
|
||||
|
||||
/* Start the test mode */
|
||||
outb(0x01, dma_base + 0x01);
|
||||
@ -261,7 +262,7 @@ static long detect_pll_input_clock(unsigned long dma_base)
|
||||
mdelay(10);
|
||||
|
||||
end_count = read_counter(dma_base);
|
||||
do_gettimeofday(&end_time);
|
||||
end_time = ktime_get();
|
||||
|
||||
/* Stop the test mode */
|
||||
outb(0x01, dma_base + 0x01);
|
||||
@ -273,8 +274,7 @@ static long detect_pll_input_clock(unsigned long dma_base)
|
||||
* Calculate the input clock in Hz
|
||||
* (the clock counter is 30 bit wide and counts down)
|
||||
*/
|
||||
usec_elapsed = (end_time.tv_sec - start_time.tv_sec) * 1000000 +
|
||||
(end_time.tv_usec - start_time.tv_usec);
|
||||
usec_elapsed = ktime_us_delta(end_time, start_time);
|
||||
pll_input = ((start_count - end_count) & 0x3fffffff) / 10 *
|
||||
(10000000 / usec_elapsed);
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user