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drivers: rpmsg: Add IPC logging for glink rpm transport

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Add IPC logging for glink rpm transport.

Change-Id: Id33a4da8b1b239fc0fd389b6ea7dec9960b98a33
Signed-off-by: Pranav Mahesh Phansalkar <quic_pphansal@quicinc.com>
This commit is contained in:
Pranav Mahesh Phansalkar 2024-04-30 15:22:09 +05:30
parent 4d166850d9
commit edfe9e43cd
1 changed files with 14 additions and 0 deletions
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14
drivers/rpmsg/qcom_glink_rpm.c
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@ -17,6 +17,7 @@
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <linux/mailbox_client.h>
#include <linux/ipc_logging.h>
#include "rpmsg_internal.h"
#include "qcom_glink_native.h"
@ -29,6 +30,13 @@
#define RPM_TX_FIFO_ID 0x61703272 /* ap2r */
#define RPM_RX_FIFO_ID 0x72326170 /* r2ap */
/* Define IPC Logging Macros */
#define GLINK_RPM_IPC_LOG_PAGE_CNT 8
static void *glink_ilctxt;
#define GLINK_RPM_INFO(x, ...) \
ipc_log_string(glink_ilctxt, "[%s]: "x, __func__, ##__VA_ARGS__)
#define to_rpm_pipe(p) container_of(p, struct glink_rpm_pipe, native)
struct rpm_toc_entry {
@ -62,6 +70,7 @@ static size_t glink_rpm_rx_avail(struct qcom_glink_pipe *glink_pipe)
head = readl(pipe->head);
tail = readl(pipe->tail);
GLINK_RPM_INFO("RX: head:0X%X tail:0X%X\n", head, tail);
if (head < tail)
return pipe->native.length - tail + head;
else
@ -100,6 +109,7 @@ static void glink_rpm_rx_advance(struct qcom_glink_pipe *glink_pipe,
tail = readl(pipe->tail);
GLINK_RPM_INFO("RX: tail:0X%X tail+Count:0X%X\n", tail, tail+count);
tail += count;
if (tail >= pipe->native.length)
tail -= pipe->native.length;
@ -333,6 +343,10 @@ struct qcom_glink *glink_rpm_register(struct device *parent,
goto err_put_dev;
}
if (!glink_ilctxt)
glink_ilctxt = ipc_log_context_create(GLINK_RPM_IPC_LOG_PAGE_CNT,
"glink_rpm", 0);
return glink;
err_put_dev: