diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0080-i2c-aspeed-filter-garbage-interrupts-out.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0080-i2c-aspeed-filter-garbage-interrupts-out.patch | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0080-i2c-aspeed-filter-garbage-interrupts-out.patch b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0080-i2c-aspeed-filter-garbage-interrupts-out.patch index 0e32615d5..801fc2eae 100644 --- a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0080-i2c-aspeed-filter-garbage-interrupts-out.patch +++ b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0080-i2c-aspeed-filter-garbage-interrupts-out.patch @@ -1,4 +1,4 @@ -From 6825259fc0ac015c6544f6070ceaf9cc263c1853 Mon Sep 17 00:00:00 2001 +From b080287881fd76acd54b7971d1f0910907c4f673 Mon Sep 17 00:00:00 2001 From: Jae Hyun Yoo <jae.hyun.yoo@intel.com> Date: Fri, 8 Nov 2019 15:57:27 -0800 Subject: [PATCH] i2c: aspeed: filter garbage interrupts out @@ -8,11 +8,11 @@ in datasheet so filter them out. Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> --- - drivers/i2c/busses/i2c-aspeed.c | 19 +++++++++++++++++++ - 1 file changed, 19 insertions(+) + drivers/i2c/busses/i2c-aspeed.c | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c -index 62b803e15ce2..e7cba33c0c87 100644 +index 15a9e1b..916ff7f 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -87,7 +87,11 @@ @@ -39,15 +39,7 @@ index 62b803e15ce2..e7cba33c0c87 100644 /* 0x14 : I2CD Command/Status Register */ #define ASPEED_I2CD_SCL_LINE_STS BIT(18) -@@ -1018,9 +1027,19 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id) - - spin_lock(&bus->lock); - irq_received = readl(bus->base + ASPEED_I2C_INTR_STS_REG); -+ if (!irq_received) { -+ spin_unlock(&bus->lock); -+ return IRQ_NONE; -+ } -+ +@@ -1032,6 +1041,11 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id) /* Ack all interrupts except for Rx done */ writel(irq_received & ~ASPEED_I2CD_INTR_RX_DONE, bus->base + ASPEED_I2C_INTR_STS_REG); |