[patch 2/7] staging: speakup: spk_serial_out and spk_wait_for_xmitr to take synth arg
Samuel Thibault
samuel.thibault at ens-lyon.org
Sat Mar 11 21:09:51 EST 2017
okash.khawaja at gmail.com, on sam. 11 mars 2017 13:05:26 +0000, wrote:
> These two functions are always called from a context where spk_synth instance
> is available. They also use the spk_synth instance but instead of taking it
> as an argument, they rely on a global spk_synth instance inside synth.c which
> points to the same synth as the one being passed in as argument.
>
> Signed-off-by: Okash Khawaja <okash.khawaja at gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault at ens-lyon.org>
> Index: linux-4.10.1/drivers/staging/speakup/serialio.c
> ===================================================================
> --- linux-4.10.1.orig/drivers/staging/speakup/serialio.c
> +++ linux-4.10.1/drivers/staging/speakup/serialio.c
> @@ -144,14 +144,14 @@
> free_irq(serstate->irq, (void *)synth_readbuf_handler);
> }
>
> -int spk_wait_for_xmitr(void)
> +int spk_wait_for_xmitr(struct spk_synth *in_synth)
> {
> int tmout = SPK_XMITR_TIMEOUT;
>
> - if ((synth->alive) && (timeouts >= NUM_DISABLE_TIMEOUTS)) {
> + if ((in_synth->alive) && (timeouts >= NUM_DISABLE_TIMEOUTS)) {
> pr_warn("%s: too many timeouts, deactivating speakup\n",
> - synth->long_name);
> - synth->alive = 0;
> + in_synth->long_name);
> + in_synth->alive = 0;
> /* No synth any more, so nobody will restart TTYs, and we thus
> * need to do it ourselves. Now that there is no synth we can
> * let application flood anyway
> @@ -162,7 +162,7 @@
> }
> while (spk_serial_tx_busy()) {
> if (--tmout == 0) {
> - pr_warn("%s: timed out (tx busy)\n", synth->long_name);
> + pr_warn("%s: timed out (tx busy)\n", in_synth->long_name);
> timeouts++;
> return 0;
> }
> @@ -207,9 +207,9 @@
> }
> EXPORT_SYMBOL_GPL(spk_serial_in_nowait);
>
> -int spk_serial_out(const char ch)
> +int spk_serial_out(struct spk_synth *in_synth, const char ch)
> {
> - if (synth->alive && spk_wait_for_xmitr()) {
> + if (in_synth->alive && spk_wait_for_xmitr(in_synth)) {
> outb_p(ch, speakup_info.port_tts);
> return 1;
> }
> Index: linux-4.10.1/drivers/staging/speakup/speakup_apollo.c
> ===================================================================
> --- linux-4.10.1.orig/drivers/staging/speakup/speakup_apollo.c
> +++ linux-4.10.1/drivers/staging/speakup/speakup_apollo.c
> @@ -169,7 +169,7 @@
> set_current_state(TASK_INTERRUPTIBLE);
> full_time_val = full_time->u.n.value;
> spin_unlock_irqrestore(&speakup_info.spinlock, flags);
> - if (!spk_serial_out(ch)) {
> + if (!spk_serial_out(synth, ch)) {
> outb(UART_MCR_DTR, speakup_info.port_tts + UART_MCR);
> outb(UART_MCR_DTR | UART_MCR_RTS,
> speakup_info.port_tts + UART_MCR);
> @@ -182,7 +182,7 @@
> full_time_val = full_time->u.n.value;
> delay_time_val = delay_time->u.n.value;
> spin_unlock_irqrestore(&speakup_info.spinlock, flags);
> - if (spk_serial_out(synth->procspeech))
> + if (spk_serial_out(synth, synth->procspeech))
> schedule_timeout(msecs_to_jiffies
> (delay_time_val));
> else
> @@ -195,7 +195,7 @@
> synth_buffer_getc();
> spin_unlock_irqrestore(&speakup_info.spinlock, flags);
> }
> - spk_serial_out(PROCSPEECH);
> + spk_serial_out(synth, PROCSPEECH);
> }
>
> module_param_named(ser, synth_apollo.ser, int, S_IRUGO);
> Index: linux-4.10.1/drivers/staging/speakup/speakup_audptr.c
> ===================================================================
> --- linux-4.10.1.orig/drivers/staging/speakup/speakup_audptr.c
> +++ linux-4.10.1/drivers/staging/speakup/speakup_audptr.c
> @@ -135,7 +135,7 @@
> udelay(1);
> }
> outb(SYNTH_CLEAR, speakup_info.port_tts);
> - spk_serial_out(PROCSPEECH);
> + spk_serial_out(synth, PROCSPEECH);
> }
>
> static void synth_version(struct spk_synth *synth)
> Index: linux-4.10.1/drivers/staging/speakup/speakup_decext.c
> ===================================================================
> --- linux-4.10.1.orig/drivers/staging/speakup/speakup_decext.c
> +++ linux-4.10.1/drivers/staging/speakup/speakup_decext.c
> @@ -186,7 +186,7 @@
> spin_unlock_irqrestore(&speakup_info.spinlock, flags);
> if (ch == '\n')
> ch = 0x0D;
> - if (synth_full() || !spk_serial_out(ch)) {
> + if (synth_full() || !spk_serial_out(synth, ch)) {
> schedule_timeout(msecs_to_jiffies(delay_time_val));
> continue;
> }
> @@ -200,10 +200,10 @@
> in_escape = 0;
> else if (ch <= SPACE) {
> if (!in_escape && strchr(",.!?;:", last))
> - spk_serial_out(PROCSPEECH);
> + spk_serial_out(synth, PROCSPEECH);
> if (time_after_eq(jiffies, jiff_max)) {
> if (!in_escape)
> - spk_serial_out(PROCSPEECH);
> + spk_serial_out(synth, PROCSPEECH);
> spin_lock_irqsave(&speakup_info.spinlock,
> flags);
> jiffy_delta_val = jiffy_delta->u.n.value;
> @@ -218,7 +218,7 @@
> last = ch;
> }
> if (!in_escape)
> - spk_serial_out(PROCSPEECH);
> + spk_serial_out(synth, PROCSPEECH);
> }
>
> static void synth_flush(struct spk_synth *synth)
> Index: linux-4.10.1/drivers/staging/speakup/speakup_dectlk.c
> ===================================================================
> --- linux-4.10.1.orig/drivers/staging/speakup/speakup_dectlk.c
> +++ linux-4.10.1/drivers/staging/speakup/speakup_dectlk.c
> @@ -251,7 +251,7 @@
> spin_unlock_irqrestore(&speakup_info.spinlock, flags);
> if (ch == '\n')
> ch = 0x0D;
> - if (synth_full_val || !spk_serial_out(ch)) {
> + if (synth_full_val || !spk_serial_out(synth, ch)) {
> schedule_timeout(msecs_to_jiffies(delay_time_val));
> continue;
> }
> @@ -265,10 +265,10 @@
> in_escape = 0;
> else if (ch <= SPACE) {
> if (!in_escape && strchr(",.!?;:", last))
> - spk_serial_out(PROCSPEECH);
> + spk_serial_out(synth, PROCSPEECH);
> if (time_after_eq(jiffies, jiff_max)) {
> if (!in_escape)
> - spk_serial_out(PROCSPEECH);
> + spk_serial_out(synth, PROCSPEECH);
> spin_lock_irqsave(&speakup_info.spinlock,
> flags);
> jiffy_delta_val = jiffy_delta->u.n.value;
> @@ -283,17 +283,17 @@
> last = ch;
> }
> if (!in_escape)
> - spk_serial_out(PROCSPEECH);
> + spk_serial_out(synth, PROCSPEECH);
> }
>
> static void synth_flush(struct spk_synth *synth)
> {
> if (in_escape)
> /* if in command output ']' so we don't get an error */
> - spk_serial_out(']');
> + spk_serial_out(synth, ']');
> in_escape = 0;
> is_flushing = 1;
> - spk_serial_out(SYNTH_CLEAR);
> + spk_serial_out(synth, SYNTH_CLEAR);
> }
>
> module_param_named(ser, synth_dectlk.ser, int, S_IRUGO);
> Index: linux-4.10.1/drivers/staging/speakup/spk_priv.h
> ===================================================================
> --- linux-4.10.1.orig/drivers/staging/speakup/spk_priv.h
> +++ linux-4.10.1/drivers/staging/speakup/spk_priv.h
> @@ -42,10 +42,10 @@
>
> const struct old_serial_port *spk_serial_init(int index);
> void spk_stop_serial_interrupt(void);
> -int spk_wait_for_xmitr(void);
> +int spk_wait_for_xmitr(struct spk_synth *in_synth);
> unsigned char spk_serial_in(void);
> unsigned char spk_serial_in_nowait(void);
> -int spk_serial_out(const char ch);
> +int spk_serial_out(struct spk_synth *in_synth, const char ch);
> void spk_serial_release(void);
>
> void synth_buffer_skip_nonlatin1(void);
> Index: linux-4.10.1/drivers/staging/speakup/synth.c
> ===================================================================
> --- linux-4.10.1.orig/drivers/staging/speakup/synth.c
> +++ linux-4.10.1/drivers/staging/speakup/synth.c
> @@ -120,7 +120,7 @@
> spin_unlock_irqrestore(&speakup_info.spinlock, flags);
> if (ch == '\n')
> ch = synth->procspeech;
> - if (!spk_serial_out(ch)) {
> + if (!spk_serial_out(synth, ch)) {
> schedule_timeout(msecs_to_jiffies(full_time_val));
> continue;
> }
> @@ -130,7 +130,7 @@
> delay_time_val = delay_time->u.n.value;
> full_time_val = full_time->u.n.value;
> spin_unlock_irqrestore(&speakup_info.spinlock, flags);
> - if (spk_serial_out(synth->procspeech))
> + if (spk_serial_out(synth, synth->procspeech))
> schedule_timeout(
> msecs_to_jiffies(delay_time_val));
> else
> @@ -143,7 +143,7 @@
> synth_buffer_getc();
> spin_unlock_irqrestore(&speakup_info.spinlock, flags);
> }
> - spk_serial_out(synth->procspeech);
> + spk_serial_out(synth, synth->procspeech);
> }
> EXPORT_SYMBOL_GPL(spk_do_catch_up);
>
> @@ -154,7 +154,7 @@
> while ((ch = *buff)) {
> if (ch == '\n')
> ch = synth->procspeech;
> - if (spk_wait_for_xmitr())
> + if (spk_wait_for_xmitr(synth))
> outb(ch, speakup_info.port_tts);
> else
> return buff;
> @@ -166,7 +166,7 @@
>
> void spk_synth_flush(struct spk_synth *synth)
> {
> - spk_serial_out(synth->clear);
> + spk_serial_out(synth, synth->clear);
> }
> EXPORT_SYMBOL_GPL(spk_synth_flush);
>
> @@ -181,7 +181,7 @@
> {
> if (synth->alive)
> return 1;
> - if (spk_wait_for_xmitr() > 0) {
> + if (spk_wait_for_xmitr(synth) > 0) {
> /* restart */
> synth->alive = 1;
> synth_printf("%s", synth->init);
>
--
Samuel
<y> la vraie vie, c'est quand le prompt passe de $ à #
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