diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/pmc.c')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/pmc.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wil6210/pmc.c b/drivers/net/wireless/ath/wil6210/pmc.c index c49f7988369e..4b7ac14fc2a7 100644 --- a/drivers/net/wireless/ath/wil6210/pmc.c +++ b/drivers/net/wireless/ath/wil6210/pmc.c @@ -18,6 +18,7 @@ #include <linux/types.h> #include <linux/errno.h> #include <linux/fs.h> +#include <linux/seq_file.h> #include "wmi.h" #include "wil6210.h" #include "txrx.h" @@ -431,3 +432,28 @@ out: return newpos; } + +int wil_pmcring_read(struct seq_file *s, void *data) +{ + struct wil6210_priv *wil = s->private; + struct pmc_ctx *pmc = &wil->pmc; + size_t pmc_ring_size = + sizeof(struct vring_rx_desc) * pmc->num_descriptors; + + mutex_lock(&pmc->lock); + + if (!wil_is_pmc_allocated(pmc)) { + wil_err(wil, "error, pmc is not allocated!\n"); + pmc->last_cmd_status = -EPERM; + mutex_unlock(&pmc->lock); + return -EPERM; + } + + wil_dbg_misc(wil, "pmcring_read: size %zu\n", pmc_ring_size); + + seq_write(s, pmc->pring_va, pmc_ring_size); + + mutex_unlock(&pmc->lock); + + return 0; +} |