#ifndef __USBAUDIO_ENDPOINT_H
#define __USBAUDIO_ENDPOINT_H

#define SND_USB_ENDPOINT_TYPE_DATA     0
#define SND_USB_ENDPOINT_TYPE_SYNC     1

struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
					      struct usb_host_interface *alts,
					      int ep_num, int direction, int type);

int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
				snd_pcm_format_t pcm_format,
				unsigned int channels,
				unsigned int period_bytes,
				unsigned int period_frames,
				unsigned int buffer_periods,
				unsigned int rate,
				struct audioformat *fmt,
				struct snd_usb_endpoint *sync_ep);

int  snd_usb_endpoint_start(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep);
int  snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_release(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_free(struct snd_usb_endpoint *ep);

int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep);
int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep);

void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep,
			     struct snd_usb_endpoint *sender,
			     const struct urb *urb);

#endif /* __USBAUDIO_ENDPOINT_H */
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<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=606f42265d384b9149bfb953c5dfc6d4710fef4c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools?id=606f42265d384b9149bfb953c5dfc6d4710fef4c'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf?id=606f42265d384b9149bfb953c5dfc6d4710fef4c'>perf</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/arch?id=606f42265d384b9149bfb953c5dfc6d4710fef4c'>arch</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/arch/arm?id=606f42265d384b9149bfb953c5dfc6d4710fef4c'>arm</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/arch/arm/util?id=606f42265d384b9149bfb953c5dfc6d4710fef4c'>util</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='606f42265d384b9149bfb953c5dfc6d4710fef4c'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Prashanth Prakash &lt;pprakash@codeaurora.org&gt;</td><td class='right'>2017-01-26 11:08:32 -0700</td></tr>
<tr><th>committer</th><td>Catalin Marinas &lt;catalin.marinas@arm.com&gt;</td><td class='right'>2017-01-27 11:30:36 +0000</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/arch/arm/util?id=606f42265d384b9149bfb953c5dfc6d4710fef4c'>606f42265d384b9149bfb953c5dfc6d4710fef4c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/perf/arch/arm/util?id=606f42265d384b9149bfb953c5dfc6d4710fef4c'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=606f42265d384b9149bfb953c5dfc6d4710fef4c'>d9f4f42760984c6dabc2b4220bfc72652591a824</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/perf/arch/arm/util?id=606f42265d384b9149bfb953c5dfc6d4710fef4c'>tools/perf/arch/arm/util</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/arch/arm/util?id=7a308bb3016f57e5be11a677d15b821536419d36'>7a308bb3016f57e5be11a677d15b821536419d36</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/perf/arch/arm/util?id=606f42265d384b9149bfb953c5dfc6d4710fef4c&amp;id2=7a308bb3016f57e5be11a677d15b821536419d36'>diff</a>)</td></tr></table>
<div class='commit-subject'>arm64: skip register_cpufreq_notifier on ACPI-based systems</div><div class='commit-msg'>On ACPI based systems where the topology is setup using the API
store_cpu_topology, at the moment we do not have necessary code
to parse cpu capacity and handle cpufreq notifier, thus
resulting in a kernel panic.

Stack:
        init_cpu_capacity_callback+0xb4/0x1c8
        notifier_call_chain+0x5c/0xa0
        __blocking_notifier_call_chain+0x58/0xa0
        blocking_notifier_call_chain+0x3c/0x50
        cpufreq_set_policy+0xe4/0x328
        cpufreq_init_policy+0x80/0x100
        cpufreq_online+0x418/0x710
        cpufreq_add_dev+0x118/0x180
        subsys_interface_register+0xa4/0xf8
        cpufreq_register_driver+0x1c0/0x298
        cppc_cpufreq_init+0xdc/0x1000 [cppc_cpufreq]
        do_one_initcall+0x5c/0x168
        do_init_module+0x64/0x1e4
        load_module+0x130c/0x14d0
        SyS_finit_module+0x108/0x120
        el0_svc_naked+0x24/0x28

Fixes: 7202bde8b7ae ("arm64: parse cpu capacity-dmips-mhz from DT")
Acked-by: Will Deacon &lt;will.deacon@arm.com&gt;
Signed-off-by: Prashanth Prakash &lt;pprakash@codeaurora.org&gt;
Signed-off-by: Catalin Marinas &lt;catalin.marinas@arm.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=606f42265d384b9149bfb953c5dfc6d4710fef4c'>Diffstat</a> (limited to 'tools/perf/arch/arm/util')</div><table summary='diffstat' class='diffstat'>