diff options
Diffstat (limited to 'drivers/mailbox/zynqmp-ipi.c')
| -rw-r--r-- | drivers/mailbox/zynqmp-ipi.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/mailbox/zynqmp-ipi.c b/drivers/mailbox/zynqmp-ipi.c index f206a27a79..746377e557 100644 --- a/drivers/mailbox/zynqmp-ipi.c +++ b/drivers/mailbox/zynqmp-ipi.c @@ -24,10 +24,12 @@ struct ipi_int_regs { u32 trig; /* 0x0 */ u32 obs; /* 0x4 */ - u32 ist; /* 0x8 */ - u32 imr; /* 0xC */ - u32 ier; /* 0x10 */ - u32 idr; /* 0x14 */ + u32 dummy0; + u32 dummy1; + u32 isr; /* 0x10 */ + u32 imr; /* 0x14 */ + u32 ier; /* 0x18 */ + u32 idr; /* 0x1C */ }; #define ipi_int_apu ((struct ipi_int_regs *)IPI_INT_REG_BASE_APU) @@ -66,6 +68,10 @@ static int zynqmp_ipi_recv(struct mbox_chan *chan, void *data) struct zynqmp_ipi *zynqmp = dev_get_priv(chan->dev); u32 *mbx = (u32 *)zynqmp->local_res_regs; + /* + * PMU Firmware does not trigger IPI interrupt for API call responses so + * there is no need to check ISR flags + */ for (size_t i = 0; i < msg->len; i++) msg->buf[i] = readl(&mbx[i]); |