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stm32wl5: fix unbuffered mode and other possible bugs

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This patch fixes unbuffered mode so it actually works.

Also, patch contains fixes for possible bugs that could result in
deadlock or system hang in certain situations.

Signed-off-by: Michał Łyszczek <michal.lyszczek@bofc.pl>
This commit is contained in:
Michał Łyszczek 2022-08-03 14:57:50 +02:00 • committed by Xiang Xiao
parent 3e43128f07
commit 4e967c67b4
5 changed files with 101 additions and 33 deletions
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4
include/nuttx/ipcc.h
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@ -114,8 +114,10 @@ struct ipcc_ops_s
*
**************************************************************************/
#ifdef CONFIG_IPCC_BUFFERED
CODE ssize_t (*buffer_data)(FAR struct ipcc_lower_s *ipcc,
FAR struct circbuf_s *rxbuf);
#endif
/**************************************************************************
* Name: write_notify
@ -133,7 +135,9 @@ struct ipcc_ops_s
*
**************************************************************************/
#ifdef CONFIG_IPCC_BUFFERED
CODE ssize_t (*write_notify)(FAR struct ipcc_lower_s *ipcc);
#endif
/**************************************************************************
* Name: cleanup