diff options
author | Jakub Byczkowski <jakub.byczkowski@intel.com> | 2017-08-13 08:08:34 -0700 |
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committer | Doug Ledford <dledford@redhat.com> | 2017-08-22 14:22:37 -0400 |
commit | 9161860463e38e1046a5fd57130be150cc0cac5d (patch) | |
tree | f865aefc2b535b38dd3a69f414dbb6da0825ead6 /drivers/infiniband | |
parent | 55774d09b7a1f0d2bfec3320ed71d30fe05466a1 (diff) | |
download | op-kernel-dev-9161860463e38e1046a5fd57130be150cc0cac5d.zip op-kernel-dev-9161860463e38e1046a5fd57130be150cc0cac5d.tar.gz |
IB/hfi1: Add flag for platform config scratch register read
Add flag in pport data structure to determine when platform config was
read from scratch registers. Change conditions in parse_platform_config
and get_platform_config_field to use the new flag.
Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jakub Byczkowski <jakub.byczkowski@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r-- | drivers/infiniband/hw/hfi1/firmware.c | 6 | ||||
-rw-r--r-- | drivers/infiniband/hw/hfi1/hfi.h | 3 | ||||
-rw-r--r-- | drivers/infiniband/hw/hfi1/platform.c | 2 |
3 files changed, 9 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hfi1/firmware.c b/drivers/infiniband/hw/hfi1/firmware.c index 885714b..fb095e6 100644 --- a/drivers/infiniband/hw/hfi1/firmware.c +++ b/drivers/infiniband/hw/hfi1/firmware.c @@ -1789,6 +1789,7 @@ static int check_meta_version(struct hfi1_devdata *dd, u32 *system_table) int parse_platform_config(struct hfi1_devdata *dd) { struct platform_config_cache *pcfgcache = &dd->pcfg_cache; + struct hfi1_pportdata *ppd = dd->pport; u32 *ptr = NULL; u32 header1 = 0, header2 = 0, magic_num = 0, crc = 0, file_length = 0; u32 record_idx = 0, table_type = 0, table_length_dwords = 0; @@ -1800,7 +1801,7 @@ int parse_platform_config(struct hfi1_devdata *dd) * scratch register bitmap, thus there is no platform config to parse. * Skip parsing in these situations. */ - if (is_integrated(dd) && !platform_config_load) + if (ppd->config_from_scratch) return 0; if (!dd->platform_config.data) { @@ -2089,13 +2090,14 @@ int get_platform_config_field(struct hfi1_devdata *dd, int ret = 0, wlen = 0, seek = 0; u32 field_len_bits = 0, field_start_bits = 0, *src_ptr = NULL; struct platform_config_cache *pcfgcache = &dd->pcfg_cache; + struct hfi1_pportdata *ppd = dd->pport; if (data) memset(data, 0, len); else return -EINVAL; - if (is_integrated(dd) && !platform_config_load) { + if (ppd->config_from_scratch) { /* * Use saved configuration from ppd for integrated platforms */ diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index dff3d3f..181feca 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -677,6 +677,9 @@ struct hfi1_pportdata { u8 default_atten; u8 max_power_class; + /* did we read platform config from scratch registers? */ + bool config_from_scratch; + /* GUIDs for this interface, in host order, guids[0] is a port guid */ u64 guids[HFI1_GUIDS_PER_PORT]; diff --git a/drivers/infiniband/hw/hfi1/platform.c b/drivers/infiniband/hw/hfi1/platform.c index 5c38a24..ab221b0 100644 --- a/drivers/infiniband/hw/hfi1/platform.c +++ b/drivers/infiniband/hw/hfi1/platform.c @@ -138,6 +138,8 @@ static void save_platform_config_fields(struct hfi1_devdata *dd) ppd->max_power_class = (temp_scratch & QSFP_MAX_POWER_SMASK) >> QSFP_MAX_POWER_SHIFT; + + ppd->config_from_scratch = true; } void get_platform_config(struct hfi1_devdata *dd) |