diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-05-07 13:15:46 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-05-07 13:15:46 +0200 |
| commit | 2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc (patch) | |
| tree | 9478e8cf470c1d5bdb2d89b57a7e35919ab95e72 /drivers/s390/char/sclp_cmd.c | |
| parent | 08f8aeb55d7727d644dbbbbfb798fe937d47751d (diff) | |
| parent | 2b4cfe64dee0d84506b951d81bf55d9891744d25 (diff) | |
Merge branch 'sched/urgent' into sched/core, to avoid conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/s390/char/sclp_cmd.c')
| -rw-r--r-- | drivers/s390/char/sclp_cmd.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index 49af8eeb90ea..6e14999f9e8f 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -37,6 +37,11 @@ static void sclp_sync_callback(struct sclp_req *req, void *data) int sclp_sync_request(sclp_cmdw_t cmd, void *sccb) { + return sclp_sync_request_timeout(cmd, sccb, 0); +} + +int sclp_sync_request_timeout(sclp_cmdw_t cmd, void *sccb, int timeout) +{ struct completion completion; struct sclp_req *request; int rc; @@ -44,6 +49,8 @@ int sclp_sync_request(sclp_cmdw_t cmd, void *sccb) request = kzalloc(sizeof(*request), GFP_KERNEL); if (!request) return -ENOMEM; + if (timeout) + request->queue_timeout = timeout; request->command = cmd; request->sccb = sccb; request->status = SCLP_REQ_FILLED; @@ -110,7 +117,8 @@ int sclp_get_cpu_info(struct sclp_cpu_info *info) if (!sccb) return -ENOMEM; sccb->header.length = sizeof(*sccb); - rc = sclp_sync_request(SCLP_CMDW_READ_CPU_INFO, sccb); + rc = sclp_sync_request_timeout(SCLP_CMDW_READ_CPU_INFO, sccb, + SCLP_QUEUE_INTERVAL); if (rc) goto out; if (sccb->header.response_code != 0x0010) { @@ -144,7 +152,7 @@ static int do_cpu_configure(sclp_cmdw_t cmd) if (!sccb) return -ENOMEM; sccb->header.length = sizeof(*sccb); - rc = sclp_sync_request(cmd, sccb); + rc = sclp_sync_request_timeout(cmd, sccb, SCLP_QUEUE_INTERVAL); if (rc) goto out; switch (sccb->header.response_code) { @@ -214,7 +222,7 @@ static int do_assign_storage(sclp_cmdw_t cmd, u16 rn) return -ENOMEM; sccb->header.length = PAGE_SIZE; sccb->rn = rn; - rc = sclp_sync_request(cmd, sccb); + rc = sclp_sync_request_timeout(cmd, sccb, SCLP_QUEUE_INTERVAL); if (rc) goto out; switch (sccb->header.response_code) { @@ -269,7 +277,8 @@ static int sclp_attach_storage(u8 id) if (!sccb) return -ENOMEM; sccb->header.length = PAGE_SIZE; - rc = sclp_sync_request(0x00080001 | id << 8, sccb); + rc = sclp_sync_request_timeout(0x00080001 | id << 8, sccb, + SCLP_QUEUE_INTERVAL); if (rc) goto out; switch (sccb->header.response_code) { @@ -506,7 +515,7 @@ static int __init sclp_detect_standby_memory(void) if (rc) goto out; sclp_pdev = platform_device_register_simple("sclp_mem", -1, NULL, 0); - rc = PTR_RET(sclp_pdev); + rc = PTR_ERR_OR_ZERO(sclp_pdev); if (rc) goto out_driver; sclp_add_standby_memory(); |