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| author | Li-hao Kuo <lhjeff911@gmail.com> | 2022-04-15 16:12:04 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-04-19 13:13:42 +0100 |
| commit | c81085840e03dd421532e16b22a8cde95de8ea41 (patch) | |
| tree | 75ea3ad999c5ec19561c5e62b80c23a42b151944 /drivers/spi/spi-sunplus-sp7021.c | |
| parent | 73f93db5c49b9f52c902e5dc6c750bf9832e0450 (diff) | |
| download | lwn-c81085840e03dd421532e16b22a8cde95de8ea41.tar.gz lwn-c81085840e03dd421532e16b22a8cde95de8ea41.zip | |
spi: remove spin_lock_irq and variable in the irq procress
remove spin_lock_irq spin_unlock_irq and variable in the irq funciton
Signed-off-by: Li-hao Kuo <lhjeff911@gmail.com>
Link: https://lore.kernel.org/r/f9991d6064d892d22ac7c2dfabe16309e9d03888.1650010304.git.lhjeff911@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-sunplus-sp7021.c')
| -rw-r--r-- | drivers/spi/spi-sunplus-sp7021.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/spi/spi-sunplus-sp7021.c b/drivers/spi/spi-sunplus-sp7021.c index f989f7b99296..f1fa88777575 100644 --- a/drivers/spi/spi-sunplus-sp7021.c +++ b/drivers/spi/spi-sunplus-sp7021.c @@ -85,8 +85,6 @@ struct sp7021_spi_ctlr { int s_irq; struct clk *spi_clk; struct reset_control *rstc; - // irq spin lock - spinlock_t lock; // data xfer lock struct mutex buf_lock; struct completion isr_done; @@ -199,8 +197,6 @@ static irqreturn_t sp7021_spi_master_irq(int irq, void *dev) if (tx_len == 0 && total_len == 0) return IRQ_NONE; - spin_lock_irq(&pspim->lock); - rx_cnt = FIELD_GET(SP7021_RX_CNT_MASK, fd_status); if (fd_status & SP7021_RX_FULL_FLAG) rx_cnt = pspim->data_unit; @@ -239,7 +235,6 @@ static irqreturn_t sp7021_spi_master_irq(int irq, void *dev) if (isrdone) complete(&pspim->isr_done); - spin_unlock_irq(&pspim->lock); return IRQ_HANDLED; } @@ -446,7 +441,6 @@ static int sp7021_spi_controller_probe(struct platform_device *pdev) pspim->mode = mode; pspim->ctlr = ctlr; pspim->dev = dev; - spin_lock_init(&pspim->lock); mutex_init(&pspim->buf_lock); init_completion(&pspim->isr_done); init_completion(&pspim->slave_isr); |