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soc: qcom: qmi: use const for struct qmi_elem_info

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Currently all usage of struct qmi_elem_info, which is used to define
the QMI message encoding/decoding rules, does not use const. This
prevents clients from registering const arrays. Since these arrays are
always pre-defined, they should be const, so add the const qualifier
to all places in the QMI interface where struct qmi_elem_info is used.

Once this patch is in place, clients can independently update their
pre-defined arrays to be const, as demonstrated in the QMI sample
code.

Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220822153435.7856-1-quic_jjohnson@quicinc.com
This commit is contained in:
Jeff Johnson
2022-08-22 08:34:35 -07:00
committed by Bjorn Andersson
parent 7eb89c17ab
commit ff6d365898
4 changed files with 47 additions and 45 deletions
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12
drivers/soc/qcom/qmi_interface.c
View File

@@ -305,7 +305,7 @@ EXPORT_SYMBOL(qmi_add_server);
* Return: Transaction id on success, negative errno on failure.
*/
int qmi_txn_init(struct qmi_handle *qmi, struct qmi_txn *txn,
struct qmi_elem_info *ei, void *c_struct)
const struct qmi_elem_info *ei, void *c_struct)
{
int ret;
@@ -736,7 +736,8 @@ EXPORT_SYMBOL(qmi_handle_release);
static ssize_t qmi_send_message(struct qmi_handle *qmi,
struct sockaddr_qrtr *sq, struct qmi_txn *txn,
int type, int msg_id, size_t len,
struct qmi_elem_info *ei, const void *c_struct)
const struct qmi_elem_info *ei,
const void *c_struct)
{
struct msghdr msghdr = {};
struct kvec iv;
@@ -787,7 +788,7 @@ static ssize_t qmi_send_message(struct qmi_handle *qmi,
*/
ssize_t qmi_send_request(struct qmi_handle *qmi, struct sockaddr_qrtr *sq,
struct qmi_txn *txn, int msg_id, size_t len,
struct qmi_elem_info *ei, const void *c_struct)
const struct qmi_elem_info *ei, const void *c_struct)
{
return qmi_send_message(qmi, sq, txn, QMI_REQUEST, msg_id, len, ei,
c_struct);
@@ -808,7 +809,7 @@ EXPORT_SYMBOL(qmi_send_request);
*/
ssize_t qmi_send_response(struct qmi_handle *qmi, struct sockaddr_qrtr *sq,
struct qmi_txn *txn, int msg_id, size_t len,
struct qmi_elem_info *ei, const void *c_struct)
const struct qmi_elem_info *ei, const void *c_struct)
{
return qmi_send_message(qmi, sq, txn, QMI_RESPONSE, msg_id, len, ei,
c_struct);
@@ -827,7 +828,8 @@ EXPORT_SYMBOL(qmi_send_response);
* Return: 0 on success, negative errno on failure.
*/
ssize_t qmi_send_indication(struct qmi_handle *qmi, struct sockaddr_qrtr *sq,
int msg_id, size_t len, struct qmi_elem_info *ei,
int msg_id, size_t len,
const struct qmi_elem_info *ei,
const void *c_struct)
{
struct qmi_txn txn;