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FSI changes for v5.18

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* Improvements in SCOM and OCC drivers for error handling and retries
 
  * Addition of tracepoints for initialisation path
 
  * API for setting long running SBE FIFO operations
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Merge tag 'fsi-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi into char-misc-next

Joel writes:

FSI changes for v5.18

 * Improvements in SCOM and OCC drivers for error handling and retries

 * Addition of tracepoints for initialisation path

 * API for setting long running SBE FIFO operations

* tag 'fsi-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi:
  fsi: Add trace events in initialization path
  fsi: sbefifo: Implement FSI_SBEFIFO_READ_TIMEOUT_SECONDS ioctl
  fsi: sbefifo: Use specified value of start of response timeout
  fsi: occ: Improve response status checking
  fsi: scom: Remove retries in indirect scoms
  fsi: scom: Fix error handling
This commit is contained in:
Greg Kroah-Hartman 2022-02-21 17:47:42 +01:00
commit c29930ef83
8 changed files with 247 additions and 63 deletions
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14
include/uapi/linux/fsi.h
View file

@ -55,4 +55,18 @@ struct scom_access {
#define FSI_SCOM_WRITE _IOWR('s', 0x02, struct scom_access)
#define FSI_SCOM_RESET _IOW('s', 0x03, __u32)
/*
* /dev/sbefifo* ioctl interface
*/
/**
* FSI_SBEFIFO_READ_TIMEOUT sets the read timeout for response from SBE.
*
* The read timeout is specified in seconds. The minimum value of read
* timeout is 10 seconds (default) and the maximum value of read timeout is
* 120 seconds. A read timeout of 0 will reset the value to the default of
* (10 seconds).
*/
#define FSI_SBEFIFO_READ_TIMEOUT_SECONDS _IOW('s', 0x00, __u32)
#endif /* _UAPI_LINUX_FSI_H */