diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-03-09 13:43:18 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-03-09 13:43:18 +0100 |
| commit | 9a14a1f6284c0a5d3bbbb4ccfea8b6959ca63d83 (patch) | |
| tree | 5c8e9c1cc4365cee43e407eb72871d5ba4b08357 /drivers/infiniband/hw/hfi1/chip.c | |
| parent | dc6fa31dd7b294f586a07d5929ae3765ddbf86f3 (diff) | |
| parent | cd7c926fa65431a20a044f55dbd7609beaffbe46 (diff) | |
Merge remote-tracking branch 'fslc/4.14-2.3.x-imx' into toradex_4.14-2.3.x-imx
Conflicts:
arch/arm64/boot/dts/freescale/Makefile
arch/arm64/boot/dts/freescale/fsl-imx8qm-device.dtsi
Diffstat (limited to 'drivers/infiniband/hw/hfi1/chip.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/chip.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 9f78bb07744c..4a0b7c003477 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -10552,12 +10552,29 @@ void set_link_down_reason(struct hfi1_pportdata *ppd, u8 lcl_reason, } } -/* - * Verify if BCT for data VLs is non-zero. +/** + * data_vls_operational() - Verify if data VL BCT credits and MTU + * are both set. + * @ppd: pointer to hfi1_pportdata structure + * + * Return: true - Ok, false -otherwise. */ static inline bool data_vls_operational(struct hfi1_pportdata *ppd) { - return !!ppd->actual_vls_operational; + int i; + u64 reg; + + if (!ppd->actual_vls_operational) + return false; + + for (i = 0; i < ppd->vls_supported; i++) { + reg = read_csr(ppd->dd, SEND_CM_CREDIT_VL + (8 * i)); + if ((reg && !ppd->dd->vld[i].mtu) || + (!reg && ppd->dd->vld[i].mtu)) + return false; + } + + return true; } /* @@ -10662,7 +10679,8 @@ int set_link_state(struct hfi1_pportdata *ppd, u32 state) if (!data_vls_operational(ppd)) { dd_dev_err(dd, - "%s: data VLs not operational\n", __func__); + "%s: Invalid data VL credits or mtu\n", + __func__); ret = -EINVAL; break; } |