[PATCH 9/9] HID: intel-ish-hid: Use the new interface functions in HID ish client

From: Srinivas Pandruvada
Date: Sun Mar 03 2019 - 11:47:23 EST

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Only include intel-ish-client-if.h, which has all interfaces required to
implment ISHTP client. There is no longer any direct field access from
core ISHTP only include files.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
---
drivers/hid/intel-ish-hid/ishtp-hid-client.c | 68 +++++++++-----------
drivers/hid/intel-ish-hid/ishtp-hid.c | 2 -
drivers/hid/intel-ish-hid/ishtp-hid.h | 6 +-
3 files changed, 35 insertions(+), 41 deletions(-)

diff --git a/drivers/hid/intel-ish-hid/ishtp-hid-client.c b/drivers/hid/intel-ish-hid/ishtp-hid-client.c
index 9084fea4c247..5b98e36e3a81 100644
--- a/drivers/hid/intel-ish-hid/ishtp-hid-client.c
+++ b/drivers/hid/intel-ish-hid/ishtp-hid-client.c
@@ -17,8 +17,6 @@
#include <linux/hid.h>
#include <linux/intel-ish-client-if.h>
#include <linux/sched.h>
-#include "ishtp/ishtp-dev.h"
-#include "ishtp/client.h"
#include "ishtp-hid.h"

/* Rx ring buffer pool size */
@@ -40,7 +38,7 @@ static void report_bad_packet(struct ishtp_cl *hid_ishtp_cl, void *recv_buf,
size_t cur_pos, size_t payload_len)
{
struct hostif_msg *recv_msg = recv_buf;
- struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
+ struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);

dev_err(cl_data_to_dev(client_data), "[hid-ish]: BAD packet %02X\n"
"total_bad=%u cur_pos=%u\n"
@@ -77,7 +75,7 @@ static void process_recv(struct ishtp_cl *hid_ishtp_cl, void *recv_buf,
struct report_list *reports_list;
char *reports;
size_t report_len;
- struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
+ struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
int curr_hid_dev = client_data->cur_hid_dev;

payload = recv_buf + sizeof(struct hostif_msg_hdr);
@@ -91,7 +89,7 @@ static void process_recv(struct ishtp_cl *hid_ishtp_cl, void *recv_buf,
(unsigned int)data_len,
(unsigned int)sizeof(struct hostif_msg_hdr));
++client_data->bad_recv_cnt;
- ish_hw_reset(hid_ishtp_cl->dev);
+ ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
break;
}

@@ -104,7 +102,7 @@ static void process_recv(struct ishtp_cl *hid_ishtp_cl, void *recv_buf,
++client_data->bad_recv_cnt;
report_bad_packet(hid_ishtp_cl, recv_msg, cur_pos,
payload_len);
- ish_hw_reset(hid_ishtp_cl->dev);
+ ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
break;
}

@@ -119,7 +117,7 @@ static void process_recv(struct ishtp_cl *hid_ishtp_cl, void *recv_buf,
report_bad_packet(hid_ishtp_cl, recv_msg,
cur_pos,
payload_len);
- ish_hw_reset(hid_ishtp_cl->dev);
+ ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
break;
}
client_data->hid_dev_count = (unsigned int)*payload;
@@ -168,7 +166,7 @@ static void process_recv(struct ishtp_cl *hid_ishtp_cl, void *recv_buf,
report_bad_packet(hid_ishtp_cl, recv_msg,
cur_pos,
payload_len);
- ish_hw_reset(hid_ishtp_cl->dev);
+ ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
break;
}
if (!client_data->hid_descr[curr_hid_dev])
@@ -193,7 +191,7 @@ static void process_recv(struct ishtp_cl *hid_ishtp_cl, void *recv_buf,
report_bad_packet(hid_ishtp_cl, recv_msg,
cur_pos,
payload_len);
- ish_hw_reset(hid_ishtp_cl->dev);
+ ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
break;
}
if (!client_data->report_descr[curr_hid_dev])
@@ -298,7 +296,7 @@ static void process_recv(struct ishtp_cl *hid_ishtp_cl, void *recv_buf,
++client_data->bad_recv_cnt;
report_bad_packet(hid_ishtp_cl, recv_msg, cur_pos,
payload_len);
- ish_hw_reset(hid_ishtp_cl->dev);
+ ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
break;

}
@@ -478,7 +476,7 @@ int ishtp_hid_link_ready_wait(struct ishtp_cl_data *client_data)
static int ishtp_enum_enum_devices(struct ishtp_cl *hid_ishtp_cl)
{
struct hostif_msg msg;
- struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
+ struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
int retry_count;
int rv;

@@ -515,7 +513,7 @@ static int ishtp_enum_enum_devices(struct ishtp_cl *hid_ishtp_cl)
}

client_data->num_hid_devices = client_data->hid_dev_count;
- dev_info(&hid_ishtp_cl->device->dev,
+ dev_info(ishtp_device(client_data->cl_device),
"[hid-ish]: enum_devices_done OK, num_hid_devices=%d\n",
client_data->num_hid_devices);

@@ -534,7 +532,7 @@ static int ishtp_enum_enum_devices(struct ishtp_cl *hid_ishtp_cl)
static int ishtp_get_hid_descriptor(struct ishtp_cl *hid_ishtp_cl, int index)
{
struct hostif_msg msg;
- struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
+ struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
int rv;

/* Get HID descriptor */
@@ -581,7 +579,7 @@ static int ishtp_get_report_descriptor(struct ishtp_cl *hid_ishtp_cl,
int index)
{
struct hostif_msg msg;
- struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
+ struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
int rv;

/* Get report descriptor */
@@ -629,7 +627,7 @@ static int ishtp_get_report_descriptor(struct ishtp_cl *hid_ishtp_cl,
static int hid_ishtp_cl_init(struct ishtp_cl *hid_ishtp_cl, int reset)
{
struct ishtp_device *dev;
- struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
+ struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
struct ishtp_fw_client *fw_client;
int i;
int rv;
@@ -646,11 +644,11 @@ static int hid_ishtp_cl_init(struct ishtp_cl *hid_ishtp_cl, int reset)

client_data->init_done = 0;

- dev = hid_ishtp_cl->dev;
+ dev = ishtp_get_ishtp_device(hid_ishtp_cl);

/* Connect to FW client */
- hid_ishtp_cl->rx_ring_size = HID_CL_RX_RING_SIZE;
- hid_ishtp_cl->tx_ring_size = HID_CL_TX_RING_SIZE;
+ ishtp_set_tx_ring_size(hid_ishtp_cl, HID_CL_TX_RING_SIZE);
+ ishtp_set_rx_ring_size(hid_ishtp_cl, HID_CL_RX_RING_SIZE);

fw_client = ishtp_fw_cl_get_client(dev, &hid_ishtp_guid);
if (!fw_client) {
@@ -658,9 +656,9 @@ static int hid_ishtp_cl_init(struct ishtp_cl *hid_ishtp_cl, int reset)
"ish client uuid not found\n");
return -ENOENT;
}
-
- hid_ishtp_cl->fw_client_id = fw_client->client_id;
- hid_ishtp_cl->state = ISHTP_CL_CONNECTING;
+ ishtp_cl_set_fw_client_id(hid_ishtp_cl,
+ ishtp_get_fw_client_id(fw_client));
+ ishtp_set_connection_state(hid_ishtp_cl, ISHTP_CL_CONNECTING);

rv = ishtp_cl_connect(hid_ishtp_cl);
if (rv) {
@@ -672,7 +670,7 @@ static int hid_ishtp_cl_init(struct ishtp_cl *hid_ishtp_cl, int reset)
hid_ishtp_trace(client_data, "%s client connected\n", __func__);

/* Register read callback */
- ishtp_register_event_cb(hid_ishtp_cl->device, ish_cl_event_cb);
+ ishtp_register_event_cb(client_data->cl_device, ish_cl_event_cb);

rv = ishtp_enum_enum_devices(hid_ishtp_cl);
if (rv)
@@ -710,7 +708,7 @@ static int hid_ishtp_cl_init(struct ishtp_cl *hid_ishtp_cl, int reset)
return 0;

err_cl_disconnect:
- hid_ishtp_cl->state = ISHTP_CL_DISCONNECTING;
+ ishtp_set_connection_state(hid_ishtp_cl, ISHTP_CL_DISCONNECTING);
ishtp_cl_disconnect(hid_ishtp_cl);
err_cl_unlink:
ishtp_cl_unlink(hid_ishtp_cl);
@@ -747,7 +745,7 @@ static void hid_ishtp_cl_reset_handler(struct work_struct *work)

hid_ishtp_trace(client_data, "%s hid_ishtp_cl %p\n", __func__,
hid_ishtp_cl);
- dev_dbg(&cl_device->dev, "%s\n", __func__);
+ dev_dbg(ishtp_device(client_data->cl_device), "%s\n", __func__);

hid_ishtp_cl_deinit(hid_ishtp_cl);

@@ -756,7 +754,7 @@ static void hid_ishtp_cl_reset_handler(struct work_struct *work)
return;

ishtp_set_drvdata(cl_device, hid_ishtp_cl);
- hid_ishtp_cl->client_data = client_data;
+ ishtp_set_client_data(hid_ishtp_cl, client_data);
client_data->hid_ishtp_cl = hid_ishtp_cl;

client_data->num_hid_devices = 0;
@@ -774,7 +772,7 @@ static void hid_ishtp_cl_reset_handler(struct work_struct *work)
}
}

-void (*hid_print_trace)(void *dev, const char *format, ...);
+void (*hid_print_trace)(void *unused, const char *format, ...);

/**
* hid_ishtp_cl_probe() - ISHTP client driver probe
@@ -804,7 +802,7 @@ static int hid_ishtp_cl_probe(struct ishtp_cl_device *cl_device)
return -ENOMEM;

ishtp_set_drvdata(cl_device, hid_ishtp_cl);
- hid_ishtp_cl->client_data = client_data;
+ ishtp_set_client_data(hid_ishtp_cl, client_data);
client_data->hid_ishtp_cl = hid_ishtp_cl;
client_data->cl_device = cl_device;

@@ -836,13 +834,13 @@ static int hid_ishtp_cl_probe(struct ishtp_cl_device *cl_device)
static int hid_ishtp_cl_remove(struct ishtp_cl_device *cl_device)
{
struct ishtp_cl *hid_ishtp_cl = ishtp_get_drvdata(cl_device);
- struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
+ struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);

hid_ishtp_trace(client_data, "%s hid_ishtp_cl %p\n", __func__,
hid_ishtp_cl);

dev_dbg(ishtp_device(cl_device), "%s\n", __func__);
- hid_ishtp_cl->state = ISHTP_CL_DISCONNECTING;
+ ishtp_set_connection_state(hid_ishtp_cl, ISHTP_CL_DISCONNECTING);
ishtp_cl_disconnect(hid_ishtp_cl);
ishtp_put_device(cl_device);
ishtp_hid_remove(client_data);
@@ -866,7 +864,7 @@ static int hid_ishtp_cl_remove(struct ishtp_cl_device *cl_device)
static int hid_ishtp_cl_reset(struct ishtp_cl_device *cl_device)
{
struct ishtp_cl *hid_ishtp_cl = ishtp_get_drvdata(cl_device);
- struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
+ struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);

hid_ishtp_trace(client_data, "%s hid_ishtp_cl %p\n", __func__,
hid_ishtp_cl);
@@ -876,8 +874,6 @@ static int hid_ishtp_cl_reset(struct ishtp_cl_device *cl_device)
return 0;
}

-#define to_ishtp_cl_device(d) container_of(d, struct ishtp_cl_device, dev)
-
/**
* hid_ishtp_cl_suspend() - ISHTP client driver suspend
* @device: device instance
@@ -888,9 +884,9 @@ static int hid_ishtp_cl_reset(struct ishtp_cl_device *cl_device)
*/
static int hid_ishtp_cl_suspend(struct device *device)
{
- struct ishtp_cl_device *cl_device = to_ishtp_cl_device(device);
+ struct ishtp_cl_device *cl_device = dev_get_drvdata(device);
struct ishtp_cl *hid_ishtp_cl = ishtp_get_drvdata(cl_device);
- struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
+ struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);

hid_ishtp_trace(client_data, "%s hid_ishtp_cl %p\n", __func__,
hid_ishtp_cl);
@@ -909,9 +905,9 @@ static int hid_ishtp_cl_suspend(struct device *device)
*/
static int hid_ishtp_cl_resume(struct device *device)
{
- struct ishtp_cl_device *cl_device = to_ishtp_cl_device(device);
+ struct ishtp_cl_device *cl_device = dev_get_drvdata(device);
struct ishtp_cl *hid_ishtp_cl = ishtp_get_drvdata(cl_device);
- struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
+ struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);

hid_ishtp_trace(client_data, "%s hid_ishtp_cl %p\n", __func__,
hid_ishtp_cl);
diff --git a/drivers/hid/intel-ish-hid/ishtp-hid.c b/drivers/hid/intel-ish-hid/ishtp-hid.c
index cb71ad43ea3b..7fac8fa593b9 100644
--- a/drivers/hid/intel-ish-hid/ishtp-hid.c
+++ b/drivers/hid/intel-ish-hid/ishtp-hid.c
@@ -16,7 +16,6 @@
#include <linux/hid.h>
#include <linux/intel-ish-client-if.h>
#include <uapi/linux/input.h>
-#include "ishtp/client.h"
#include "ishtp-hid.h"

/**
@@ -117,7 +116,6 @@ static void ishtp_hid_request(struct hid_device *hid, struct hid_report *rep,
static int ishtp_wait_for_response(struct hid_device *hid)
{
struct ishtp_hid_data *hid_data = hid->driver_data;
- struct ishtp_cl_data *client_data = hid_data->client_data;
int rv;

hid_ishtp_trace(client_data, "%s hid %p\n", __func__, hid);
diff --git a/drivers/hid/intel-ish-hid/ishtp-hid.h b/drivers/hid/intel-ish-hid/ishtp-hid.h
index e1b00f5125c7..5e38345e5ee6 100644
--- a/drivers/hid/intel-ish-hid/ishtp-hid.h
+++ b/drivers/hid/intel-ish-hid/ishtp-hid.h
@@ -24,9 +24,9 @@
#define IS_RESPONSE 0x80

/* Used to dump to Linux trace buffer, if enabled */
-#define hid_ishtp_trace(client, ...) \
- client->cl_device->ishtp_dev->print_log(\
- client->cl_device->ishtp_dev, __VA_ARGS__)
+extern void (*hid_print_trace)(void *unused, const char *format, ...);
+#define hid_ishtp_trace(client, ...) \
+ (hid_print_trace)(NULL, __VA_ARGS__)

/* ISH Transport protocol (ISHTP in short) GUID */
static const guid_t hid_ishtp_guid =
--
2.17.2

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