the rmh bus is not used asynchronously, so it is safe to remove the specific code pieces. Signed-off-by: Tim Blechmann <tim@xxxxxxxxxx> --- sound/pci/lx6464es/lx6464es.h | 1 - sound/pci/lx6464es/lx_core.c | 98 +---------------------------------------- 2 files changed, 1 insertions(+), 98 deletions(-)
diff --git a/sound/pci/lx6464es/lx6464es.h b/sound/pci/lx6464es/lx6464es.h
index 012c010..16442da 100644
--- a/sound/pci/lx6464es/lx6464es.h
+++ b/sound/pci/lx6464es/lx6464es.h
@@ -86,7 +86,6 @@ struct lx6464es {
/* messaging */
spinlock_t msg_lock; /* message spinlock */
- atomic_t send_message_locked;
struct lx_rmh rmh;
/* configuration */
diff --git a/sound/pci/lx6464es/lx_core.c b/sound/pci/lx6464es/lx_core.c
index 5812780..3086b75 100644
--- a/sound/pci/lx6464es/lx_core.c
+++ b/sound/pci/lx6464es/lx_core.c
@@ -314,98 +314,6 @@ static inline void lx_message_dump(struct lx_rmh *rmh)
#define XILINX_POLL_NO_SLEEP 100
#define XILINX_POLL_ITERATIONS 150
-#if 0 /* not used now */
-static int lx_message_send(struct lx6464es *chip, struct lx_rmh *rmh)
-{
- u32 reg = ED_DSP_TIMED_OUT;
- int dwloop;
- int answer_received;
-
- if (lx_dsp_reg_read(chip, eReg_CSM) & (Reg_CSM_MC | Reg_CSM_MR)) {
- snd_printk(KERN_ERR LXP "PIOSendMessage eReg_CSM %x\n", reg);
- return -EBUSY;
- }
-
- /* write command */
- lx_dsp_reg_writebuf(chip, eReg_CRM1, rmh->cmd, rmh->cmd_len);
-
- snd_BUG_ON(atomic_read(&chip->send_message_locked) != 0);
- atomic_set(&chip->send_message_locked, 1);
-
- /* MicoBlaze gogogo */
- lx_dsp_reg_write(chip, eReg_CSM, Reg_CSM_MC);
-
- /* wait for interrupt to answer */
- for (dwloop = 0; dwloop != XILINX_TIMEOUT_MS; ++dwloop) {
- answer_received = atomic_read(&chip->send_message_locked);
- if (answer_received == 0)
- break;
- msleep(1);
- }
-
- if (answer_received == 0) {
- /* in Debug mode verify Reg_CSM_MR */
- snd_BUG_ON(!(lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR));
-
- /* command finished, read status */
- if (rmh->dsp_stat == 0)
- reg = lx_dsp_reg_read(chip, eReg_CRM1);
- else
- reg = 0;
- } else {
- int i;
- snd_printk(KERN_WARNING LXP "TIMEOUT lx_message_send! "
- "Interrupts disabled?\n");
-
- /* attente bit Reg_CSM_MR */
- for (i = 0; i != XILINX_POLL_ITERATIONS; i++) {
- if ((lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR)) {
- if (rmh->dsp_stat == 0)
- reg = lx_dsp_reg_read(chip, eReg_CRM1);
- else
- reg = 0;
- goto polling_successful;
- }
-
- if (i > XILINX_POLL_NO_SLEEP)
- msleep(1);
- }
- snd_printk(KERN_WARNING LXP "TIMEOUT lx_message_send! "
- "polling failed\n");
-
-polling_successful:
- atomic_set(&chip->send_message_locked, 0);
- }
-
- if ((reg & ERROR_VALUE) == 0) {
- /* read response */
- if (rmh->stat_len) {
- snd_BUG_ON(rmh->stat_len >= (REG_CRM_NUMBER-1));
-
- lx_dsp_reg_readbuf(chip, eReg_CRM2, rmh->stat,
- rmh->stat_len);
- }
- } else
- snd_printk(KERN_WARNING LXP "lx_message_send: error_value %x\n",
- reg);
-
- /* clear Reg_CSM_MR */
- lx_dsp_reg_write(chip, eReg_CSM, 0);
-
- switch (reg) {
- case ED_DSP_TIMED_OUT:
- snd_printk(KERN_WARNING LXP "lx_message_send: dsp timeout\n");
- return -ETIMEDOUT;
-
- case ED_DSP_CRASHED:
- snd_printk(KERN_WARNING LXP "lx_message_send: dsp crashed\n");
- return -EAGAIN;
- }
-
- lx_message_dump(rmh);
- return 0;
-}
-#endif /* not used now */
static int lx_message_send_atomic(struct lx6464es *chip, struct lx_rmh *rmh)
{
@@ -423,7 +331,7 @@ static int lx_message_send_atomic(struct lx6464es *chip, struct lx_rmh *rmh)
/* MicoBlaze gogogo */
lx_dsp_reg_write(chip, eReg_CSM, Reg_CSM_MC);
- /* wait for interrupt to answer */
+ /* wait for device to answer */
for (dwloop = 0; dwloop != XILINX_TIMEOUT_MS * 1000; ++dwloop) {
if (lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR) {
if (rmh->dsp_stat == 0)
@@ -1175,10 +1083,6 @@ static int lx_interrupt_ack(struct lx6464es *chip, u32 *r_irqsrc,
*r_async_escmd = 1;
}
- if (irqsrc & MASK_SYS_STATUS_CMD_DONE)
- /* xilinx command notification */
- atomic_set(&chip->send_message_locked, 0);
-
if (irq_async) {
/* snd_printd("interrupt: async event pending\n"); */
*r_async_pending = 1;
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