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ARM SCMI/SCPI updates for v5.8

Browse source 
1. Addition of ARM SMC/HVC as SCMI transport type with required
    abstraction already in place
 2. Initial infrastructure support to add SCMI notifications from
    platform to agents
 3. Miscellaneous fix adding header include guards
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Merge tag 'scmi-updates-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/drivers

ARM SCMI/SCPI updates for v5.8

1. Addition of ARM SMC/HVC as SCMI transport type with required
   abstraction already in place
2. Initial infrastructure support to add SCMI notifications from
   platform to agents
3. Miscellaneous fix adding header include guards

* tag 'scmi-updates-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  firmware: arm_scmi: fix psci dependency
  firmware: arm_scmi: Fix return error code in smc_send_message
  firmware: arm_scmi: Fix handling of unexpected delayed responses
  firmware: arm_scmi: Clear channel for delayed responses
  firmware: arm_scmi: Clear channel on reception of unexpected responses
  firmware: arm_scmi: Rename .clear_notification() transport_ops
  firmware: arm_scmi: Add support for notifications message processing
  firmware: arm_scmi: Add notifications support in transport layer
  firmware: arm_scmi: Update protocol commands and notification list
  firmware: arm_scmi: Add receive buffer support for notifications
  firmware: arm_scpi: Add include guard to linux/scpi_protocol.h
  firmware: arm_scmi: Add include guard to linux/scmi_protocol.h
  firmware: arm_scmi: Drop checking for shmem property in parent node
  firmware: arm_scmi: Check shmem property for channel availablity
  firmware: arm_scmi: Drop empty stub for smc_mark_txdone
  firmware: arm_scmi: Make mutex channel specific
  firmware: arm_scmi: Add smc/hvc transport
  dt-bindings: arm: Add smc/hvc transport for SCMI

Link: https://lore.kernel.org/r/20200512110357.GA26454@bogus
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2020-05-25 16:23:55 +02:00
commit a7afae50e2
13 changed files with 344 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

6
include/linux/scmi_protocol.h
View file

@ -4,6 +4,10 @@
*
* Copyright (C) 2018 ARM Ltd.
*/
#ifndef _LINUX_SCMI_PROTOCOL_H
#define _LINUX_SCMI_PROTOCOL_H
#include <linux/device.h>
#include <linux/types.h>
@ -319,3 +323,5 @@ static inline void scmi_driver_unregister(struct scmi_driver *driver) {}
typedef int (*scmi_prot_init_fn_t)(struct scmi_handle *);
int scmi_protocol_register(int protocol_id, scmi_prot_init_fn_t fn);
void scmi_protocol_unregister(int protocol_id);
#endif /* _LINUX_SCMI_PROTOCOL_H */

6
include/linux/scpi_protocol.h
View file

@ -4,6 +4,10 @@
*
* Copyright (C) 2014 ARM Ltd.
*/
#ifndef _LINUX_SCPI_PROTOCOL_H
#define _LINUX_SCPI_PROTOCOL_H
#include <linux/types.h>
struct scpi_opp {
@ -71,3 +75,5 @@ struct scpi_ops *get_scpi_ops(void);
#else
static inline struct scpi_ops *get_scpi_ops(void) { return NULL; }
#endif
#endif /* _LINUX_SCPI_PROTOCOL_H */