| Message ID | 20170407135225.20387-3-cbostic@linux.vnet.ibm.com |
|---|---|
| State | Changes Requested, archived |
| Headers | show |
On 04/07/2017 08:52 AM, Christopher Bostic wrote: > In addition to looking for local device IRQs on the slave also > check if the IRQ came from a hub source in the interrupt handler. > > Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com> > --- > drivers/fsi/fsi-core.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c > index 36dde94..45e1171 100644 > --- a/drivers/fsi/fsi-core.c > +++ b/drivers/fsi/fsi-core.c > @@ -98,6 +98,11 @@ static int fsi_slave_write(struct fsi_slave *slave, uint32_t addr, > #define FSI_SI1S 0x1C /* R: IRQ status */ > > /* > + * SI1S, SI1M fields > + */ > +#define FSI_SI1_HUB_SRC 0x00100000 /* hub IRQ source */ > + > +/* > * SMODE fields > */ > #define FSI_SMODE_WSC 0x80000000 /* Warm start done */ > @@ -793,6 +798,13 @@ static int __fsi_dev_irq(struct device *dev, void *data) > return 1; > } > > + if (!(*si1s & FSI_SI1_HUB_SRC)) { > + dev_dbg(dev, "IRQ not from a hub source\n"); > + return 0; > + } > + > + /* TODO: handle hub sourced IRQ */ > + > return 0; > } > Acked-by: Eddie James <eajames@linux.vnet.ibm.com>
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 36dde94..45e1171 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -98,6 +98,11 @@ static int fsi_slave_write(struct fsi_slave *slave, uint32_t addr, #define FSI_SI1S 0x1C /* R: IRQ status */ /* + * SI1S, SI1M fields + */ +#define FSI_SI1_HUB_SRC 0x00100000 /* hub IRQ source */ + +/* * SMODE fields */ #define FSI_SMODE_WSC 0x80000000 /* Warm start done */ @@ -793,6 +798,13 @@ static int __fsi_dev_irq(struct device *dev, void *data) return 1; } + if (!(*si1s & FSI_SI1_HUB_SRC)) { + dev_dbg(dev, "IRQ not from a hub source\n"); + return 0; + } + + /* TODO: handle hub sourced IRQ */ + return 0; }
In addition to looking for local device IRQs on the slave also check if the IRQ came from a hub source in the interrupt handler. Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com> --- drivers/fsi/fsi-core.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)