[PATCH][RFC] ide: pdc202xxx_new: Remove do_gettimeofday() usage for ktime_get

From: John Stultz
Date: Wed Jan 07 2015 - 16:01:47 EST


As part of the y2038 cleanups, this patch removes the do_gettimeofday
usage replacing it with ktime_get.

Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: linux-ide@xxxxxxxxxxxxxxx
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
---
drivers/ide/pdc202xx_new.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/ide/pdc202xx_new.c b/drivers/ide/pdc202xx_new.c
index df73cbd..94bd05f 100644
--- a/drivers/ide/pdc202xx_new.c
+++ b/drivers/ide/pdc202xx_new.c
@@ -18,6 +18,7 @@
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
+#include <linux/ktime.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/init.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 = (long)ktime_to_ns(ktime_sub(end_time, start_time))/1000;
pll_input = ((start_count - end_count) & 0x3fffffff) / 10 *
(10000000 / usec_elapsed);

--
1.9.1

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