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Commit b8e7a06d authored by Samuel Ortiz's avatar Samuel Ortiz Committed by John W. Linville
Browse files

NFC: Build LLCP general bytes upon request



Drivers will need them before starting a poll or when being activated
as targets. Mostly WKS can have changed between device registration and
then so we need to re-build the whole array.

Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 12e5bdfe
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+17 −15
Original line number Diff line number Diff line
@@ -310,21 +310,6 @@ void nfc_llcp_put_ssap(struct nfc_llcp_local *local, u8 ssap)
	mutex_unlock(&local->sdp_lock);
}

u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len)
{
	struct nfc_llcp_local *local;

	local = nfc_llcp_find_local(dev);
	if (local == NULL) {
		*general_bytes_len = 0;
		return NULL;
	}

	*general_bytes_len = local->gb_len;

	return local->gb;
}

static int nfc_llcp_build_gb(struct nfc_llcp_local *local)
{
	u8 *gb_cur, *version_tlv, version, version_length;
@@ -386,6 +371,23 @@ static int nfc_llcp_build_gb(struct nfc_llcp_local *local)
	return 0;
}

u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len)
{
	struct nfc_llcp_local *local;

	local = nfc_llcp_find_local(dev);
	if (local == NULL) {
		*general_bytes_len = 0;
		return NULL;
	}

	nfc_llcp_build_gb(local);

	*general_bytes_len = local->gb_len;

	return local->gb;
}

int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len)
{
	struct nfc_llcp_local *local = nfc_llcp_find_local(dev);