diff options
Diffstat (limited to 'drivers/net/ethernet/amd/pds_core/dev.c')
| -rw-r--r-- | drivers/net/ethernet/amd/pds_core/dev.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/drivers/net/ethernet/amd/pds_core/dev.c b/drivers/net/ethernet/amd/pds_core/dev.c index 7c1b965d61a9..e494e1298dc9 100644 --- a/drivers/net/ethernet/amd/pds_core/dev.c +++ b/drivers/net/ethernet/amd/pds_core/dev.c @@ -57,6 +57,9 @@ int pdsc_err_to_errno(enum pds_core_status_code code) bool pdsc_is_fw_running(struct pdsc *pdsc) { + if (!pdsc->info_regs) + return false; + pdsc->fw_status = ioread8(&pdsc->info_regs->fw_status); pdsc->last_fw_time = jiffies; pdsc->last_hb = ioread32(&pdsc->info_regs->fw_heartbeat); @@ -182,13 +185,17 @@ int pdsc_devcmd_locked(struct pdsc *pdsc, union pds_core_dev_cmd *cmd, { int err; + if (!pdsc->cmd_regs) + return -ENXIO; + memcpy_toio(&pdsc->cmd_regs->cmd, cmd, sizeof(*cmd)); pdsc_devcmd_dbell(pdsc); err = pdsc_devcmd_wait(pdsc, cmd->opcode, max_seconds); - memcpy_fromio(comp, &pdsc->cmd_regs->comp, sizeof(*comp)); if ((err == -ENXIO || err == -ETIMEDOUT) && pdsc->wq) queue_work(pdsc->wq, &pdsc->health_work); + else + memcpy_fromio(comp, &pdsc->cmd_regs->comp, sizeof(*comp)); return err; } @@ -261,10 +268,14 @@ static int pdsc_identify(struct pdsc *pdsc) struct pds_core_drv_identity drv = {}; size_t sz; int err; + int n; drv.drv_type = cpu_to_le32(PDS_DRIVER_LINUX); - snprintf(drv.driver_ver_str, sizeof(drv.driver_ver_str), - "%s %s", PDS_CORE_DRV_NAME, utsname()->release); + /* Catching the return quiets a Wformat-truncation complaint */ + n = snprintf(drv.driver_ver_str, sizeof(drv.driver_ver_str), + "%s %s", PDS_CORE_DRV_NAME, utsname()->release); + if (n > sizeof(drv.driver_ver_str)) + dev_dbg(pdsc->dev, "release name truncated, don't care\n"); /* Next let's get some info about the device * We use the devcmd_lock at this level in order to @@ -305,11 +316,20 @@ static int pdsc_identify(struct pdsc *pdsc) return 0; } -int pdsc_dev_reinit(struct pdsc *pdsc) +void pdsc_dev_uninit(struct pdsc *pdsc) { - pdsc_init_devinfo(pdsc); + if (pdsc->intr_info) { + int i; + + for (i = 0; i < pdsc->nintrs; i++) + pdsc_intr_free(pdsc, i); - return pdsc_identify(pdsc); + kfree(pdsc->intr_info); + pdsc->intr_info = NULL; + pdsc->nintrs = 0; + } + + pci_free_irq_vectors(pdsc->pdev); } int pdsc_dev_init(struct pdsc *pdsc) @@ -337,10 +357,8 @@ int pdsc_dev_init(struct pdsc *pdsc) /* Get intr_info struct array for tracking */ pdsc->intr_info = kcalloc(nintrs, sizeof(*pdsc->intr_info), GFP_KERNEL); - if (!pdsc->intr_info) { - err = -ENOMEM; - goto err_out; - } + if (!pdsc->intr_info) + return -ENOMEM; err = pci_alloc_irq_vectors(pdsc->pdev, nintrs, nintrs, PCI_IRQ_MSIX); if (err != nintrs) { |