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authorLi-hao Kuo <lhjeff911@gmail.com>2022-04-15 11:12:04 +0300
committerMark Brown <broonie@kernel.org>2022-04-19 15:13:42 +0300
commitc81085840e03dd421532e16b22a8cde95de8ea41 (patch)
tree75ea3ad999c5ec19561c5e62b80c23a42b151944 /drivers/spi/spi-sunplus-sp7021.c
parent73f93db5c49b9f52c902e5dc6c750bf9832e0450 (diff)
downloadlinux-c81085840e03dd421532e16b22a8cde95de8ea41.tar.xz
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.c6
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);