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| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2021-01-29 15:00:22 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-29 14:16:50 +0100 |
| commit | b1adc42d440df3233255e313a45ab7e9b2b74096 (patch) | |
| tree | 910a9086f8dd43621f9d402f082e364dbd0f0b74 /drivers/usb/host/xhci.h | |
| parent | a181030703df185c20a8eed2313beb1b0b025e0d (diff) | |
| download | linux-b1adc42d440df3233255e313a45ab7e9b2b74096.tar.gz linux-b1adc42d440df3233255e313a45ab7e9b2b74096.tar.bz2 linux-b1adc42d440df3233255e313a45ab7e9b2b74096.zip | |
xhci: add xhci_get_virt_ep() helper
In several event handlers we need to find the right endpoint
structure from slot_id and ep_index in the event.
Add a helper for this, check that slot_id and ep_index are valid.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20210129130044.206855-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 123ccdd3fea5..a9862f1083ad 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -995,6 +995,7 @@ struct xhci_interval_bw_table { unsigned int ss_bw_out; }; +#define EP_CTX_PER_DEV 31 struct xhci_virt_device { int slot_id; @@ -1010,7 +1011,7 @@ struct xhci_virt_device { struct xhci_container_ctx *out_ctx; /* Used for addressing devices and configuration changes */ struct xhci_container_ctx *in_ctx; - struct xhci_virt_ep eps[31]; + struct xhci_virt_ep eps[EP_CTX_PER_DEV]; u8 fake_port; u8 real_port; struct xhci_interval_bw_table *bw_table; |