From e244720aa4d5e618b839570ed2cb72fb1ae62ccb Mon Sep 17 00:00:00 2001 From: Xiang Xiao Date: Wed, 9 Nov 2022 19:25:49 +0800 Subject: [PATCH] bl602/spi: add reference in bl602_spibus_initialize and unlock the mutex before return Signed-off-by: Xiang Xiao --- arch/risc-v/src/bl602/bl602_spi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/risc-v/src/bl602/bl602_spi.c b/arch/risc-v/src/bl602/bl602_spi.c index 402177a858b..484a8ee06fb 100644 --- a/arch/risc-v/src/bl602/bl602_spi.c +++ b/arch/risc-v/src/bl602/bl602_spi.c @@ -1671,7 +1671,7 @@ struct spi_dev_s *bl602_spibus_initialize(int port) nxmutex_lock(&priv->lock); if (priv->refs != 0) { - priv->refs--; + priv->refs++; nxmutex_unlock(&priv->lock); return spi_dev; @@ -1711,6 +1711,8 @@ int bl602_spibus_uninitialize(struct spi_dev_s *dev) } bl602_spi_deinit(dev); + nxmutex_unlock(&priv->lock); + return OK; }