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ramips: remove broken and bogus spinlock in the SPI driver

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Based on patch by Neil Brown

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2018-04-14 19:52:36 +02:00
parent ceff5d8c82
commit 31a6ee0219
1 changed files with 1 additions and 4 deletions
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5
target/linux/ramips/patches-4.14/0043-spi-add-mt7621-support.patch
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@ -38,7 +38,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
obj-$(CONFIG_SPI_OC_TINY) += spi-oc-tiny.o
--- /dev/null
+++ b/drivers/spi/spi-mt7621.c
@@ -0,0 +1,491 @@
@@ -0,0 +1,488 @@
+/*
+ * spi-mt7621.c -- MediaTek MT7621 SPI controller driver
+ *
@ -106,7 +106,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ unsigned int sys_freq;
+ unsigned int speed;
+ struct clk *clk;
+ spinlock_t lock;
+
+ struct mt7621_spi_ops *ops;
+};
@ -438,7 +437,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ const struct of_device_id *match;
+ struct spi_master *master;
+ struct mt7621_spi *rs;
+ unsigned long flags;
+ void __iomem *base;
+ struct resource *r;
+ int status = 0;
@ -490,7 +488,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ rs->sys_freq = clk_get_rate(rs->clk);
+ rs->ops = ops;
+ dev_info(&pdev->dev, "sys_freq: %u\n", rs->sys_freq);
+ spin_lock_irqsave(&rs->lock, flags);
+
+ device_reset(&pdev->dev);
+