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s390/ism: Cleanups 

Reworked signature of the function to retrieve the system EID: No plausible
reason to use a double pointer. And neither to pass in the device as an
argument, as this identifier is by definition per system, not per device.
Plus some minor consistency edits.

Signed-off-by: Stefan Raspl <raspl@linux.ibm.com>
Signed-off-by: Wenjia Zhang < wenjia@linux.ibm.com>
Reviewed-by: Tony Lu <tonylu@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stefan Raspl 2022-07-25 16:09:58 +02:00 committed by David S. Miller
parent eb481b02bd
commit 0a2f4f9893
3 changed files with 7 additions and 8 deletions
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11
drivers/s390/net/ism_drv.c
View File

@ -409,20 +409,19 @@ static void ism_create_system_eid(void)
memcpy(&SYSTEM_EID.type, tmp, 4); memcpy(&SYSTEM_EID.type, tmp, 4);
} }
static void ism_get_system_eid(struct smcd_dev *smcd, u8 **eid) static u8 *ism_get_system_eid(void)
{ {
*eid = &SYSTEM_EID.seid_string[0]; return SYSTEM_EID.seid_string;
} }
static u16 ism_get_chid(struct smcd_dev *smcd) static u16 ism_get_chid(struct smcd_dev *smcd)
{ {
struct ism_dev *ismdev; struct ism_dev *ism = (struct ism_dev *)smcd->priv;
ismdev = (struct ism_dev *)smcd->priv; if (!ism || !ism->pdev)
if (!ismdev || !ismdev->pdev)
return 0; return 0;
return to_zpci(ismdev->pdev)->pchid; return to_zpci(ism->pdev)->pchid;
} }
static void ism_handle_event(struct ism_dev *ism) static void ism_handle_event(struct ism_dev *ism)

2
include/net/smc.h
View File

@ -72,7 +72,7 @@ struct smcd_ops {
int (*move_data)(struct smcd_dev *dev, u64 dmb_tok, unsigned int idx, int (*move_data)(struct smcd_dev *dev, u64 dmb_tok, unsigned int idx,
bool sf, unsigned int offset, void *data, bool sf, unsigned int offset, void *data,
unsigned int size); unsigned int size);
void (*get_system_eid)(struct smcd_dev *dev, u8 **eid); u8* (*get_system_eid)(void);
u16 (*get_chid)(struct smcd_dev *dev); u16 (*get_chid)(struct smcd_dev *dev);
}; };

2
net/smc/smc_ism.c
View File

@ -429,7 +429,7 @@ int smcd_register_dev(struct smcd_dev *smcd)
if (list_empty(&smcd_dev_list.list)) { if (list_empty(&smcd_dev_list.list)) {
u8 *system_eid = NULL; u8 *system_eid = NULL;
smcd->ops->get_system_eid(smcd, &system_eid); system_eid = smcd->ops->get_system_eid();
if (system_eid[24] != '0' || system_eid[28] != '0') { if (system_eid[24] != '0' || system_eid[28] != '0') {
smc_ism_v2_capable = true; smc_ism_v2_capable = true;
memcpy(smc_ism_v2_system_eid, system_eid, memcpy(smc_ism_v2_system_eid, system_eid,