From dad0218116b4c007f9d1ae70aecafbd1e112cf0f Mon Sep 17 00:00:00 2001 From: Jae Hyun Yoo Date: Fri, 8 Nov 2019 15:57:27 -0800 Subject: i2c: aspeed: filter garbage interrupts out AST2600 makes a garbage interrupt which is decribed as 'reserved' in datasheet so filter them out. Signed-off-by: Jae Hyun Yoo --- drivers/i2c/busses/i2c-aspeed.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/i2c') diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index eeb622715527..f4b82e457260 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -88,7 +88,11 @@ * status bits. */ #define ASPEED_I2CD_INTR_RECV_MASK 0xf000ffff +#if defined(CONFIG_MACH_ASPEED_G6) +#define ASPEED_I2CD_INTR_SLAVE_ADDR_RECEIVED_PENDING BIT(29) +#else #define ASPEED_I2CD_INTR_SLAVE_ADDR_RECEIVED_PENDING BIT(30) +#endif #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) @@ -119,6 +123,11 @@ ASPEED_I2CD_INTR_RX_DONE | \ ASPEED_I2CD_INTR_TX_NAK | \ ASPEED_I2CD_INTR_TX_ACK) +#define ASPEED_I2CD_INTR_STATUS_MASK \ + (ASPEED_I2CD_INTR_SLAVE_ADDR_RECEIVED_PENDING | \ + ASPEED_I2CD_INTR_GCALL_ADDR | \ + ASPEED_I2CD_INTR_SLAVE_MATCH | \ + ASPEED_I2CD_INTR_ALL) /* 0x14 : I2CD Command/Status Register */ #define ASPEED_I2CD_SCL_LINE_STS BIT(18) -- cgit v1.2.3