Revision 3cdd98606750a5a1d1c8bcda5b481cb86ed67b3b authored by Vasily Gorbik on 28 July 2019, 23:23:46 UTC, committed by Vasily Gorbik on 02 August 2019, 11:58:23 UTC
Silence the following warnings when built with -Wimplicit-fallthrough=3 enabled by default since 5.3-rc2: In file included from ./include/linux/preempt.h:11, from ./include/linux/spinlock.h:51, from ./include/linux/mmzone.h:8, from ./include/linux/gfp.h:6, from ./include/linux/slab.h:15, from drivers/s390/crypto/ap_queue.c:13: drivers/s390/crypto/ap_queue.c: In function 'ap_sm_recv': ./include/linux/list.h:577:2: warning: this statement may fall through [-Wimplicit-fallthrough=] 577 | for (pos = list_first_entry(head, typeof(*pos), member); \ | ^~~ drivers/s390/crypto/ap_queue.c:147:3: note: in expansion of macro 'list_for_each_entry' 147 | list_for_each_entry(ap_msg, &aq->pendingq, list) { | ^~~~~~~~~~~~~~~~~~~ drivers/s390/crypto/ap_queue.c:155:2: note: here 155 | case AP_RESPONSE_NO_PENDING_REPLY: | ^~~~ drivers/s390/crypto/zcrypt_msgtype6.c: In function 'convert_response_ep11_xcrb': drivers/s390/crypto/zcrypt_msgtype6.c:871:6: warning: this statement may fall through [-Wimplicit-fallthrough=] 871 | if (msg->cprbx.cprb_ver_id == 0x04) | ^ drivers/s390/crypto/zcrypt_msgtype6.c:874:2: note: here 874 | default: /* Unknown response type, this should NEVER EVER happen */ | ^~~~~~~ drivers/s390/crypto/zcrypt_msgtype6.c: In function 'convert_response_rng': drivers/s390/crypto/zcrypt_msgtype6.c:901:6: warning: this statement may fall through [-Wimplicit-fallthrough=] 901 | if (msg->cprbx.cprb_ver_id == 0x02) | ^ drivers/s390/crypto/zcrypt_msgtype6.c:907:2: note: here 907 | default: /* Unknown response type, this should NEVER EVER happen */ | ^~~~~~~ drivers/s390/crypto/zcrypt_msgtype6.c: In function 'convert_response_xcrb': drivers/s390/crypto/zcrypt_msgtype6.c:838:6: warning: this statement may fall through [-Wimplicit-fallthrough=] 838 | if (msg->cprbx.cprb_ver_id == 0x02) | ^ drivers/s390/crypto/zcrypt_msgtype6.c:844:2: note: here 844 | default: /* Unknown response type, this should NEVER EVER happen */ | ^~~~~~~ drivers/s390/crypto/zcrypt_msgtype6.c: In function 'convert_response_ica': drivers/s390/crypto/zcrypt_msgtype6.c:801:6: warning: this statement may fall through [-Wimplicit-fallthrough=] 801 | if (msg->cprbx.cprb_ver_id == 0x02) | ^ drivers/s390/crypto/zcrypt_msgtype6.c:808:2: note: here 808 | default: /* Unknown response type, this should NEVER EVER happen */ | ^~~~~~~ Acked-by: Patrick Steuer <patrick.steuer@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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cmp.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef SOUND_FIREWIRE_CMP_H_INCLUDED
#define SOUND_FIREWIRE_CMP_H_INCLUDED
#include <linux/mutex.h>
#include <linux/types.h>
#include "iso-resources.h"
struct fw_unit;
enum cmp_direction {
CMP_INPUT = 0,
CMP_OUTPUT,
};
/**
* struct cmp_connection - manages an isochronous connection to a device
* @speed: the connection's actual speed
*
* This structure manages (using CMP) an isochronous stream between the local
* computer and a device's input plug (iPCR) and output plug (oPCR).
*
* There is no corresponding oPCR created on the local computer, so it is not
* possible to overlay connections on top of this one.
*/
struct cmp_connection {
int speed;
/* private: */
bool connected;
struct mutex mutex;
struct fw_iso_resources resources;
__be32 last_pcr_value;
unsigned int pcr_index;
unsigned int max_speed;
enum cmp_direction direction;
};
int cmp_connection_init(struct cmp_connection *connection,
struct fw_unit *unit,
enum cmp_direction direction,
unsigned int pcr_index);
int cmp_connection_check_used(struct cmp_connection *connection, bool *used);
void cmp_connection_destroy(struct cmp_connection *connection);
int cmp_connection_reserve(struct cmp_connection *connection,
unsigned int max_payload);
void cmp_connection_release(struct cmp_connection *connection);
int cmp_connection_establish(struct cmp_connection *connection);
int cmp_connection_update(struct cmp_connection *connection);
void cmp_connection_break(struct cmp_connection *connection);
#endif
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