aboutsummaryrefslogtreecommitdiff
path: root/sound/oss/dmasound/dmasound_q40.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/oss/dmasound/dmasound_q40.c')
-rw-r--r--sound/oss/dmasound/dmasound_q40.c48
1 files changed, 26 insertions, 22 deletions
diff --git a/sound/oss/dmasound/dmasound_q40.c b/sound/oss/dmasound/dmasound_q40.c
index 92c25a0174d..99bcb21c228 100644
--- a/sound/oss/dmasound/dmasound_q40.c
+++ b/sound/oss/dmasound/dmasound_q40.c
@@ -36,7 +36,7 @@ static int expand_data; /* Data for expanding */
/*** Low level stuff *********************************************************/
-static void *Q40Alloc(unsigned int size, int flags);
+static void *Q40Alloc(unsigned int size, gfp_t flags);
static void Q40Free(void *, unsigned int);
static int Q40IrqInit(void);
#ifdef MODULE
@@ -48,8 +48,8 @@ static int Q40SetFormat(int format);
static int Q40SetVolume(int volume);
static void Q40PlayNextFrame(int index);
static void Q40Play(void);
-static irqreturn_t Q40StereoInterrupt(int irq, void *dummy, struct pt_regs *fp);
-static irqreturn_t Q40MonoInterrupt(int irq, void *dummy, struct pt_regs *fp);
+static irqreturn_t Q40StereoInterrupt(int irq, void *dummy);
+static irqreturn_t Q40MonoInterrupt(int irq, void *dummy);
static void Q40Interrupt(void);
@@ -58,7 +58,7 @@ static void Q40Interrupt(void);
/* userCount, frameUsed, frameLeft == byte counts */
-static ssize_t q40_ct_law(const u_char *userPtr, size_t userCount,
+static ssize_t q40_ct_law(const u_char __user *userPtr, size_t userCount,
u_char frame[], ssize_t *frameUsed,
ssize_t frameLeft)
{
@@ -79,7 +79,7 @@ static ssize_t q40_ct_law(const u_char *userPtr, size_t userCount,
}
-static ssize_t q40_ct_s8(const u_char *userPtr, size_t userCount,
+static ssize_t q40_ct_s8(const u_char __user *userPtr, size_t userCount,
u_char frame[], ssize_t *frameUsed,
ssize_t frameLeft)
{
@@ -98,7 +98,7 @@ static ssize_t q40_ct_s8(const u_char *userPtr, size_t userCount,
return used;
}
-static ssize_t q40_ct_u8(const u_char *userPtr, size_t userCount,
+static ssize_t q40_ct_u8(const u_char __user *userPtr, size_t userCount,
u_char frame[], ssize_t *frameUsed,
ssize_t frameLeft)
{
@@ -114,7 +114,7 @@ static ssize_t q40_ct_u8(const u_char *userPtr, size_t userCount,
/* a bit too complicated to optimise right now ..*/
-static ssize_t q40_ctx_law(const u_char *userPtr, size_t userCount,
+static ssize_t q40_ctx_law(const u_char __user *userPtr, size_t userCount,
u_char frame[], ssize_t *frameUsed,
ssize_t frameLeft)
{
@@ -152,7 +152,7 @@ static ssize_t q40_ctx_law(const u_char *userPtr, size_t userCount,
}
-static ssize_t q40_ctx_s8(const u_char *userPtr, size_t userCount,
+static ssize_t q40_ctx_s8(const u_char __user *userPtr, size_t userCount,
u_char frame[], ssize_t *frameUsed,
ssize_t frameLeft)
{
@@ -189,7 +189,7 @@ static ssize_t q40_ctx_s8(const u_char *userPtr, size_t userCount,
}
-static ssize_t q40_ctx_u8(const u_char *userPtr, size_t userCount,
+static ssize_t q40_ctx_u8(const u_char __user *userPtr, size_t userCount,
u_char frame[], ssize_t *frameUsed,
ssize_t frameLeft)
{
@@ -224,7 +224,7 @@ static ssize_t q40_ctx_u8(const u_char *userPtr, size_t userCount,
}
/* compressing versions */
-static ssize_t q40_ctc_law(const u_char *userPtr, size_t userCount,
+static ssize_t q40_ctc_law(const u_char __user *userPtr, size_t userCount,
u_char frame[], ssize_t *frameUsed,
ssize_t frameLeft)
{
@@ -265,7 +265,7 @@ static ssize_t q40_ctc_law(const u_char *userPtr, size_t userCount,
}
-static ssize_t q40_ctc_s8(const u_char *userPtr, size_t userCount,
+static ssize_t q40_ctc_s8(const u_char __user *userPtr, size_t userCount,
u_char frame[], ssize_t *frameUsed,
ssize_t frameLeft)
{
@@ -304,7 +304,7 @@ static ssize_t q40_ctc_s8(const u_char *userPtr, size_t userCount,
}
-static ssize_t q40_ctc_u8(const u_char *userPtr, size_t userCount,
+static ssize_t q40_ctc_u8(const u_char __user *userPtr, size_t userCount,
u_char frame[], ssize_t *frameUsed,
ssize_t frameLeft)
{
@@ -358,7 +358,7 @@ static TRANS transQ40Compressing = {
/*** Low level stuff *********************************************************/
-static void *Q40Alloc(unsigned int size, int flags)
+static void *Q40Alloc(unsigned int size, gfp_t flags)
{
return kmalloc(size, flags); /* change to vmalloc */
}
@@ -371,8 +371,9 @@ static void Q40Free(void *ptr, unsigned int size)
static int __init Q40IrqInit(void)
{
/* Register interrupt handler. */
- request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0,
- "DMA sound", Q40Interrupt);
+ if (request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0,
+ "DMA sound", Q40Interrupt))
+ return 0;
return(1);
}
@@ -401,6 +402,7 @@ static void Q40PlayNextFrame(int index)
u_char *start;
u_long size;
u_char speed;
+ int error;
/* used by Q40Play() if all doubts whether there really is something
* to be played are already wiped out.
@@ -419,11 +421,13 @@ static void Q40PlayNextFrame(int index)
master_outb( 0,SAMPLE_ENABLE_REG);
free_irq(Q40_IRQ_SAMPLE, Q40Interrupt);
if (dmasound.soft.stereo)
- request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0,
- "Q40 sound", Q40Interrupt);
+ error = request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0,
+ "Q40 sound", Q40Interrupt);
else
- request_irq(Q40_IRQ_SAMPLE, Q40MonoInterrupt, 0,
- "Q40 sound", Q40Interrupt);
+ error = request_irq(Q40_IRQ_SAMPLE, Q40MonoInterrupt, 0,
+ "Q40 sound", Q40Interrupt);
+ if (error && printk_ratelimit())
+ pr_err("Couldn't register sound interrupt\n");
master_outb( speed, SAMPLE_RATE_REG);
master_outb( 1,SAMPLE_CLEAR_REG);
@@ -451,7 +455,7 @@ static void Q40Play(void)
spin_unlock_irqrestore(&dmasound.lock, flags);
}
-static irqreturn_t Q40StereoInterrupt(int irq, void *dummy, struct pt_regs *fp)
+static irqreturn_t Q40StereoInterrupt(int irq, void *dummy)
{
spin_lock(&dmasound.lock);
if (q40_sc>1){
@@ -463,7 +467,7 @@ static irqreturn_t Q40StereoInterrupt(int irq, void *dummy, struct pt_regs *fp)
spin_unlock(&dmasound.lock);
return IRQ_HANDLED;
}
-static irqreturn_t Q40MonoInterrupt(int irq, void *dummy, struct pt_regs *fp)
+static irqreturn_t Q40MonoInterrupt(int irq, void *dummy)
{
spin_lock(&dmasound.lock);
if (q40_sc>0){
@@ -611,7 +615,7 @@ static MACHINE machQ40 = {
/*** Config & Setup **********************************************************/
-int __init dmasound_q40_init(void)
+static int __init dmasound_q40_init(void)
{
if (MACH_IS_Q40) {
dmasound.mach = machQ40;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 06:15:12 +0000