diff options
Diffstat (limited to 'drivers/soc/qcom')
| -rw-r--r-- | drivers/soc/qcom/cmd-db.c | 32 | ||||
| -rw-r--r-- | drivers/soc/qcom/rpmh-rsc.c | 3 |
2 files changed, 33 insertions, 2 deletions
diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c index a5fd68411bed..86fb2cd4f484 100644 --- a/drivers/soc/qcom/cmd-db.c +++ b/drivers/soc/qcom/cmd-db.c @@ -1,6 +1,10 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (c) 2016-2018, 2020, The Linux Foundation. All rights reserved. */ +/* + * Copyright (c) 2016-2018, 2020, The Linux Foundation. All rights reserved. + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved. + */ +#include <linux/bitfield.h> #include <linux/debugfs.h> #include <linux/kernel.h> #include <linux/module.h> @@ -17,6 +21,8 @@ #define MAX_SLV_ID 8 #define SLAVE_ID_MASK 0x7 #define SLAVE_ID_SHIFT 16 +#define SLAVE_ID(addr) FIELD_GET(GENMASK(19, 16), addr) +#define VRM_ADDR(addr) FIELD_GET(GENMASK(19, 4), addr) /** * struct entry_header: header for each entry in cmddb @@ -221,6 +227,30 @@ const void *cmd_db_read_aux_data(const char *id, size_t *len) EXPORT_SYMBOL_GPL(cmd_db_read_aux_data); /** + * cmd_db_match_resource_addr() - Compare if both Resource addresses are same + * + * @addr1: Resource address to compare + * @addr2: Resource address to compare + * + * Return: true if two addresses refer to the same resource, false otherwise + */ +bool cmd_db_match_resource_addr(u32 addr1, u32 addr2) +{ + /* + * Each RPMh VRM accelerator resource has 3 or 4 contiguous 4-byte + * aligned addresses associated with it. Ignore the offset to check + * for VRM requests. + */ + if (addr1 == addr2) + return true; + else if (SLAVE_ID(addr1) == CMD_DB_HW_VRM && VRM_ADDR(addr1) == VRM_ADDR(addr2)) + return true; + + return false; +} +EXPORT_SYMBOL_GPL(cmd_db_match_resource_addr); + +/** * cmd_db_read_slave_id - Get the slave ID for a given resource address * * @id: Resource id to query the DB for version diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index a021dc71807b..daf64be966fe 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. + * Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved. */ #define pr_fmt(fmt) "%s " fmt, KBUILD_MODNAME @@ -557,7 +558,7 @@ static int check_for_req_inflight(struct rsc_drv *drv, struct tcs_group *tcs, for_each_set_bit(j, &curr_enabled, MAX_CMDS_PER_TCS) { addr = read_tcs_cmd(drv, drv->regs[RSC_DRV_CMD_ADDR], i, j); for (k = 0; k < msg->num_cmds; k++) { - if (addr == msg->cmds[k].addr) + if (cmd_db_match_resource_addr(msg->cmds[k].addr, addr)) return -EBUSY; } } |