diff options
| author |   Bharat Bhushan <Bharat.Bhushan@nxp.com> | 2020-09-29 11:54:40 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-02 16:05:02 +0200 |
| commit | 273ee53ddf2e7d79565aff0ddc009ea2114d763b (patch) | |
| tree | 3116957d5c55914f6638c1d7678b16d3c252030e | |
| parent | bus/fsl-mc: Export IRQ pool handling functions to be used by VFIO (diff) | |
| download | wireguard-linux-273ee53ddf2e7d79565aff0ddc009ea2114d763b.tar.xz wireguard-linux-273ee53ddf2e7d79565aff0ddc009ea2114d763b.zip | |
bus/fsl-mc: Extend ICID size from 16bit to 32bit
In virtual machines the device-id range is defined
between 0x10000-0x20000. The reason for using such a
large range is to avoid overlapping with the PCI range.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-13-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/bus/fsl-mc/dprc.c | 2 | ||||
| -rw-r--r-- | drivers/bus/fsl-mc/fsl-mc-bus.c | 2 | ||||
| -rw-r--r-- | drivers/bus/fsl-mc/fsl-mc-private.h | 5 | ||||
| -rw-r--r-- | include/linux/fsl/mc.h | 2 |
4 files changed, 5 insertions, 6 deletions
diff --git a/drivers/bus/fsl-mc/dprc.c b/drivers/bus/fsl-mc/dprc.c index 2448a723eb28..650808799a29 100644 --- a/drivers/bus/fsl-mc/dprc.c +++ b/drivers/bus/fsl-mc/dprc.c @@ -360,7 +360,7 @@ int dprc_get_attributes(struct fsl_mc_io *mc_io, /* retrieve response parameters */ rsp_params = (struct dprc_rsp_get_attributes *)cmd.params; attr->container_id = le32_to_cpu(rsp_params->container_id); - attr->icid = le16_to_cpu(rsp_params->icid); + attr->icid = le32_to_cpu(rsp_params->icid); attr->options = le32_to_cpu(rsp_params->options); attr->portal_id = le32_to_cpu(rsp_params->portal_id); diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c index d53315f42dc2..76a6ee505d33 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -503,7 +503,7 @@ common_cleanup: } static int get_dprc_icid(struct fsl_mc_io *mc_io, - int container_id, u16 *icid) + int container_id, u32 *icid) { struct dprc_attributes attr; int error; diff --git a/drivers/bus/fsl-mc/fsl-mc-private.h b/drivers/bus/fsl-mc/fsl-mc-private.h index ffe709a3f0f8..3e9f9c778631 100644 --- a/drivers/bus/fsl-mc/fsl-mc-private.h +++ b/drivers/bus/fsl-mc/fsl-mc-private.h @@ -159,8 +159,7 @@ struct dprc_cmd_clear_irq_status { struct dprc_rsp_get_attributes { /* response word 0 */ __le32 container_id; - __le16 icid; - __le16 pad; + __le32 icid; /* response word 1 */ __le32 options; __le32 portal_id; @@ -337,7 +336,7 @@ int dprc_clear_irq_status(struct fsl_mc_io *mc_io, */ struct dprc_attributes { int container_id; - u16 icid; + u32 icid; int portal_id; u64 options; }; diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h index f791fe38c251..db244874e834 100644 --- a/include/linux/fsl/mc.h +++ b/include/linux/fsl/mc.h @@ -195,7 +195,7 @@ struct fsl_mc_device { struct device dev; u64 dma_mask; u16 flags; - u16 icid; + u32 icid; u16 mc_handle; struct fsl_mc_io *mc_io; struct fsl_mc_obj_desc obj_desc; |