diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0069-i2c-aspeed-add-SLAVE_ADDR_RECEIVED_PENDING-interrupt.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0069-i2c-aspeed-add-SLAVE_ADDR_RECEIVED_PENDING-interrupt.patch | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0069-i2c-aspeed-add-SLAVE_ADDR_RECEIVED_PENDING-interrupt.patch b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0069-i2c-aspeed-add-SLAVE_ADDR_RECEIVED_PENDING-interrupt.patch deleted file mode 100644 index 104279ace..000000000 --- a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0069-i2c-aspeed-add-SLAVE_ADDR_RECEIVED_PENDING-interrupt.patch +++ /dev/null @@ -1,50 +0,0 @@ -From b43bdeb5f3aa297549655e67f0e6a5db5f592e34 Mon Sep 17 00:00:00 2001 -From: Jae Hyun Yoo <jae.hyun.yoo@intel.com> -Date: Thu, 11 Jul 2019 14:04:39 -0700 -Subject: [PATCH] i2c: aspeed: add SLAVE_ADDR_RECEIVED_PENDING interrupt - handling - -If a peer master sends messages too quickly before it processes -previous slave DMA data handling, this indicator will be set. It's -just a indicator and driver can't recover this case so just ignore -it. - -Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> ---- - drivers/i2c/busses/i2c-aspeed.c | 13 +++++++++++++ - 1 file changed, 13 insertions(+) - -diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c -index 830b3d2cabad..a308d5896632 100644 ---- a/drivers/i2c/busses/i2c-aspeed.c -+++ b/drivers/i2c/busses/i2c-aspeed.c -@@ -87,6 +87,7 @@ - * These share bit definitions, so use the same values for the enable & - * status bits. - */ -+#define ASPEED_I2CD_INTR_SLAVE_ADDR_RECEIVED_PENDING BIT(30) - #define ASPEED_I2CD_INTR_SLAVE_INACTIVE_TIMEOUT BIT(15) - #define ASPEED_I2CD_INTR_SDA_DL_TIMEOUT BIT(14) - #define ASPEED_I2CD_INTR_BUS_RECOVER_DONE BIT(13) -@@ -468,6 +469,18 @@ static u32 aspeed_i2c_slave_irq(struct aspeed_i2c_bus *bus, u32 irq_status) - dev_dbg(bus->dev, "slave irq status 0x%08x, cmd 0x%08x\n", - irq_status, command); - -+ /* -+ * If a peer master sends messages too quickly before it processes -+ * previous slave DMA data handling, this indicator will be set. It's -+ * just a indicator and driver can't recover this case so just ignore -+ * it. -+ */ -+ if (unlikely(irq_status & -+ ASPEED_I2CD_INTR_SLAVE_ADDR_RECEIVED_PENDING)) { -+ dev_dbg(bus->dev, "A slave addr match interrupt is pending.\n"); -+ irq_handled |= ASPEED_I2CD_INTR_SLAVE_ADDR_RECEIVED_PENDING; -+ } -+ - /* Slave was sent something. */ - if (irq_status & ASPEED_I2CD_INTR_RX_DONE) { - aspeed_i2c_slave_handle_rx_done(bus, irq_status, &value); --- -2.7.4 - |