From c81085840e03dd421532e16b22a8cde95de8ea41 Mon Sep 17 00:00:00 2001 From: Li-hao Kuo Date: Fri, 15 Apr 2022 16:12:04 +0800 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/f9991d6064d892d22ac7c2dfabe16309e9d03888.1650010304.git.lhjeff911@gmail.com Signed-off-by: Mark Brown --- drivers/spi/spi-sunplus-sp7021.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/spi/spi-sunplus-sp7021.c b/drivers/spi/spi-sunplus-sp7021.c index f989f7b..f1fa887 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); -- 2.7.4