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path: root/drivers/staging/media/lirc
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-rw-r--r--drivers/staging/media/lirc/lirc_imon.c2
-rw-r--r--drivers/staging/media/lirc/lirc_parallel.c35
-rw-r--r--drivers/staging/media/lirc/lirc_sasem.c20
-rw-r--r--drivers/staging/media/lirc/lirc_serial.c50
4 files changed, 43 insertions, 64 deletions
diff --git a/drivers/staging/media/lirc/lirc_imon.c b/drivers/staging/media/lirc/lirc_imon.c
index 534b8103ae80..ff1926ca1f96 100644
--- a/drivers/staging/media/lirc/lirc_imon.c
+++ b/drivers/staging/media/lirc/lirc_imon.c
@@ -885,12 +885,14 @@ static int imon_probe(struct usb_interface *interface,
vendor, product, ifnum, usbdev->bus->busnum, usbdev->devnum);
/* Everything went fine. Just unlock and return retval (with is 0) */
+ mutex_unlock(&context->ctx_lock);
goto driver_unlock;
unregister_lirc:
lirc_unregister_driver(driver->minor);
free_tx_urb:
+ mutex_unlock(&context->ctx_lock);
usb_free_urb(tx_urb);
free_rx_urb:
diff --git a/drivers/staging/media/lirc/lirc_parallel.c b/drivers/staging/media/lirc/lirc_parallel.c
index c1408342b1d0..d009bcb439f0 100644
--- a/drivers/staging/media/lirc/lirc_parallel.c
+++ b/drivers/staging/media/lirc/lirc_parallel.c
@@ -33,7 +33,7 @@
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/ioport.h>
-#include <linux/time.h>
+#include <linux/ktime.h>
#include <linux/mm.h>
#include <linux/delay.h>
@@ -144,25 +144,22 @@ static void lirc_off(void)
static unsigned int init_lirc_timer(void)
{
- struct timeval tv, now;
+ ktime_t kt, now, timeout;
unsigned int level, newlevel, timeelapsed, newtimer;
int count = 0;
- do_gettimeofday(&tv);
- tv.tv_sec++; /* wait max. 1 sec. */
+ kt = ktime_get();
+ /* wait max. 1 sec. */
+ timeout = ktime_add_ns(kt, NSEC_PER_SEC);
level = lirc_get_timer();
do {
newlevel = lirc_get_timer();
if (level == 0 && newlevel != 0)
count++;
level = newlevel;
- do_gettimeofday(&now);
- } while (count < 1000 && (now.tv_sec < tv.tv_sec
- || (now.tv_sec == tv.tv_sec
- && now.tv_usec < tv.tv_usec)));
-
- timeelapsed = (now.tv_sec + 1 - tv.tv_sec)*1000000
- + (now.tv_usec - tv.tv_usec);
+ now = ktime_get();
+ } while (count < 1000 && (ktime_before(now, timeout)));
+ timeelapsed = ktime_us_delta(now, kt);
if (count >= 1000 && timeelapsed > 0) {
if (default_timer == 0) {
/* autodetect timer */
@@ -220,8 +217,8 @@ static void rbuf_write(int signal)
static void lirc_lirc_irq_handler(void *blah)
{
- struct timeval tv;
- static struct timeval lasttv;
+ ktime_t kt, delkt;
+ static ktime_t lastkt;
static int init;
long signal;
int data;
@@ -244,16 +241,14 @@ static void lirc_lirc_irq_handler(void *blah)
#ifdef LIRC_TIMER
if (init) {
- do_gettimeofday(&tv);
+ kt = ktime_get();
- signal = tv.tv_sec - lasttv.tv_sec;
- if (signal > 15)
+ delkt = ktime_sub(kt, lastkt);
+ if (ktime_compare(delkt, ktime_set(15, 0)) > 0)
/* really long time */
data = PULSE_MASK;
else
- data = (int) (signal*1000000 +
- tv.tv_usec - lasttv.tv_usec +
- LIRC_SFH506_DELAY);
+ data = (int)(ktime_to_us(delkt) + LIRC_SFH506_DELAY);
rbuf_write(data); /* space */
} else {
@@ -301,7 +296,7 @@ static void lirc_lirc_irq_handler(void *blah)
data = 1;
rbuf_write(PULSE_BIT|data); /* pulse */
}
- do_gettimeofday(&lasttv);
+ lastkt = ktime_get();
#else
/* add your code here */
#endif
diff --git a/drivers/staging/media/lirc/lirc_sasem.c b/drivers/staging/media/lirc/lirc_sasem.c
index f2dca69c2bc0..2218d0042030 100644
--- a/drivers/staging/media/lirc/lirc_sasem.c
+++ b/drivers/staging/media/lirc/lirc_sasem.c
@@ -42,6 +42,7 @@
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/usb.h>
+#include <linux/ktime.h>
#include <media/lirc.h>
#include <media/lirc_dev.h>
@@ -111,7 +112,7 @@ struct sasem_context {
} tx;
/* for dealing with repeat codes (wish there was a toggle bit!) */
- struct timeval presstime;
+ ktime_t presstime;
char lastcode[8];
int codesaved;
};
@@ -566,8 +567,8 @@ static void incoming_packet(struct sasem_context *context,
{
int len = urb->actual_length;
unsigned char *buf = urb->transfer_buffer;
- long ms;
- struct timeval tv;
+ u64 ns;
+ ktime_t kt;
if (len != 8) {
dev_warn(&context->dev->dev,
@@ -584,9 +585,8 @@ static void incoming_packet(struct sasem_context *context,
*/
/* get the time since the last button press */
- do_gettimeofday(&tv);
- ms = (tv.tv_sec - context->presstime.tv_sec) * 1000 +
- (tv.tv_usec - context->presstime.tv_usec) / 1000;
+ kt = ktime_get();
+ ns = ktime_to_ns(ktime_sub(kt, context->presstime));
if (memcmp(buf, "\x08\0\0\0\0\0\0\0", 8) == 0) {
/*
@@ -600,10 +600,9 @@ static void incoming_packet(struct sasem_context *context,
* in that time and then get a false repeat of the previous
* press but it is long enough for a genuine repeat
*/
- if ((ms < 250) && (context->codesaved != 0)) {
+ if ((ns < 250 * NSEC_PER_MSEC) && (context->codesaved != 0)) {
memcpy(buf, &context->lastcode, 8);
- context->presstime.tv_sec = tv.tv_sec;
- context->presstime.tv_usec = tv.tv_usec;
+ context->presstime = kt;
}
} else {
/* save the current valid code for repeats */
@@ -613,8 +612,7 @@ static void incoming_packet(struct sasem_context *context,
* just for safety reasons
*/
context->codesaved = 1;
- context->presstime.tv_sec = tv.tv_sec;
- context->presstime.tv_usec = tv.tv_usec;
+ context->presstime = kt;
}
lirc_buffer_write(context->driver->rbuf, buf);
diff --git a/drivers/staging/media/lirc/lirc_serial.c b/drivers/staging/media/lirc/lirc_serial.c
index 64a7b2fc5289..b798b311d32c 100644
--- a/drivers/staging/media/lirc/lirc_serial.c
+++ b/drivers/staging/media/lirc/lirc_serial.c
@@ -59,7 +59,7 @@
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/serial_reg.h>
-#include <linux/time.h>
+#include <linux/ktime.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/wait.h>
@@ -204,7 +204,7 @@ static struct lirc_serial hardware[] = {
#define RBUF_LEN 256
-static struct timeval lasttv = {0, 0};
+static ktime_t lastkt;
static struct lirc_buffer rbuf;
@@ -542,10 +542,10 @@ static void frbwrite(int l)
static irqreturn_t lirc_irq_handler(int i, void *blah)
{
- struct timeval tv;
+ ktime_t kt;
int counter, dcd;
u8 status;
- long deltv;
+ ktime_t delkt;
int data;
static int last_dcd = -1;
@@ -565,7 +565,7 @@ static irqreturn_t lirc_irq_handler(int i, void *blah)
if ((status & hardware[type].signal_pin_change)
&& sense != -1) {
/* get current time */
- do_gettimeofday(&tv);
+ kt = ktime_get();
/* New mode, written by Trent Piepho
<xyzzy@u.washington.edu>. */
@@ -594,34 +594,20 @@ static irqreturn_t lirc_irq_handler(int i, void *blah)
dcd = (status & hardware[type].signal_pin) ? 1 : 0;
if (dcd == last_dcd) {
- pr_warn("ignoring spike: %d %d %lx %lx %lx %lx\n",
- dcd, sense,
- tv.tv_sec, lasttv.tv_sec,
- (unsigned long)tv.tv_usec,
- (unsigned long)lasttv.tv_usec);
+ pr_warn("ignoring spike: %d %d %llx %llx\n",
+ dcd, sense, ktime_to_us(kt),
+ ktime_to_us(lastkt));
continue;
}
- deltv = tv.tv_sec-lasttv.tv_sec;
- if (tv.tv_sec < lasttv.tv_sec ||
- (tv.tv_sec == lasttv.tv_sec &&
- tv.tv_usec < lasttv.tv_usec)) {
- pr_warn("AIEEEE: your clock just jumped backwards\n");
- pr_warn("%d %d %lx %lx %lx %lx\n",
- dcd, sense,
- tv.tv_sec, lasttv.tv_sec,
- (unsigned long)tv.tv_usec,
- (unsigned long)lasttv.tv_usec);
- data = PULSE_MASK;
- } else if (deltv > 15) {
+ delkt = ktime_sub(kt, lastkt);
+ if (ktime_compare(delkt, ktime_set(15, 0)) > 0) {
data = PULSE_MASK; /* really long time */
if (!(dcd^sense)) {
/* sanity check */
- pr_warn("AIEEEE: %d %d %lx %lx %lx %lx\n",
- dcd, sense,
- tv.tv_sec, lasttv.tv_sec,
- (unsigned long)tv.tv_usec,
- (unsigned long)lasttv.tv_usec);
+ pr_warn("AIEEEE: %d %d %llx %llx\n",
+ dcd, sense, ktime_to_us(kt),
+ ktime_to_us(lastkt));
/*
* detecting pulse while this
* MUST be a space!
@@ -629,11 +615,9 @@ static irqreturn_t lirc_irq_handler(int i, void *blah)
sense = sense ? 0 : 1;
}
} else
- data = (int) (deltv*1000000 +
- tv.tv_usec -
- lasttv.tv_usec);
+ data = (int) ktime_to_us(delkt);
frbwrite(dcd^sense ? data : (data|PULSE_BIT));
- lasttv = tv;
+ lastkt = kt;
last_dcd = dcd;
wake_up_interruptible(&rbuf.wait_poll);
}
@@ -790,7 +774,7 @@ static int set_use_inc(void *data)
unsigned long flags;
/* initialize timestamp */
- do_gettimeofday(&lasttv);
+ lastkt = ktime_get();
spin_lock_irqsave(&hardware[type].lock, flags);
@@ -979,7 +963,7 @@ static int lirc_serial_resume(struct platform_device *dev)
spin_lock_irqsave(&hardware[type].lock, flags);
/* Enable Interrupt */
- do_gettimeofday(&lasttv);
+ lastkt = ktime_get();
soutp(UART_IER, sinp(UART_IER)|UART_IER_MSI);
off();
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.