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This reduces code size and simplifies adding additional attributes if needed. Signed-off-by: Guenter Roeck Reviewed-by: Tzung-Bi Shih --- drivers/hwmon/pmbus/pmbus_core.c | 125 ++++++++----------------------- 1 file changed, 32 insertions(+), 93 deletions(-) diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 91dfb9ec9223..f4d4a91ff4aa 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -3501,6 +3501,7 @@ static void pmbus_remove_symlink(void *symlink) struct pmbus_debugfs_data { u8 reg; + u32 flag; const char *name; }; @@ -3513,6 +3514,19 @@ static const struct pmbus_debugfs_data pmbus_debugfs_block_data[] = { { .reg = PMBUS_MFR_SERIAL, .name = "mfr_serial" }, }; +static const struct pmbus_debugfs_data pmbus_debugfs_status_data[] = { + { .reg = PMBUS_STATUS_VOUT, .flag = PMBUS_HAVE_STATUS_VOUT, .name = "status%d_vout" }, + { .reg = PMBUS_STATUS_IOUT, .flag = PMBUS_HAVE_STATUS_IOUT, .name = "status%d_iout" }, + { .reg = PMBUS_STATUS_INPUT, .flag = PMBUS_HAVE_STATUS_INPUT, .name = "status%d_input" }, + { .reg = PMBUS_STATUS_TEMPERATURE, .flag = PMBUS_HAVE_STATUS_TEMP, + .name = "status%d_temp" }, + { .reg = PMBUS_STATUS_FAN_12, .flag = PMBUS_HAVE_STATUS_FAN12, .name = "status%d_fan12" }, + { .reg = PMBUS_STATUS_FAN_34, .flag = PMBUS_HAVE_STATUS_FAN34, .name = "status%d_fan34" }, + { .reg = PMBUS_STATUS_CML, .name = "status%d_cml" }, + { .reg = PMBUS_STATUS_OTHER, .name = "status%d_other" }, + { .reg = PMBUS_STATUS_MFR_SPECIFIC, .name = "status%d_mfr" }, +}; + static void pmbus_init_debugfs(struct i2c_client *client, struct pmbus_data *data) { @@ -3520,7 +3534,7 @@ static void pmbus_init_debugfs(struct i2c_client *client, struct pmbus_debugfs_entry *entries; const char *pathname, *symlink; char name[PMBUS_NAME_SIZE]; - int i, idx = 0; + int page, i, idx = 0; /* * client->debugfs may be NULL or an ERR_PTR(). dentry_path_raw() @@ -3594,107 +3608,32 @@ static void pmbus_init_debugfs(struct i2c_client *client, } /* Add page specific entries */ - for (i = 0; i < data->info->pages; ++i) { + for (page = 0; page < data->info->pages; ++page) { /* Check accessibility of status register if it's not page 0 */ - if (!i || pmbus_check_status_register(client, i)) { + if (!page || pmbus_check_status_register(client, page)) { /* No need to set reg as we have special read op. */ entries[idx].client = client; - entries[idx].page = i; - scnprintf(name, PMBUS_NAME_SIZE, "status%d", i); + entries[idx].page = page; + scnprintf(name, PMBUS_NAME_SIZE, "status%d", page); debugfs_create_file(name, 0444, debugfs, &entries[idx++], &pmbus_debugfs_ops_status); } - if (data->info->func[i] & PMBUS_HAVE_STATUS_VOUT) { - entries[idx].client = client; - entries[idx].page = i; - entries[idx].reg = PMBUS_STATUS_VOUT; - scnprintf(name, PMBUS_NAME_SIZE, "status%d_vout", i); - debugfs_create_file(name, 0444, debugfs, - &entries[idx++], - &pmbus_debugfs_ops); - } + for (i = 0; i < ARRAY_SIZE(pmbus_debugfs_status_data); i++) { + const struct pmbus_debugfs_data *d = + &pmbus_debugfs_status_data[i]; - if (data->info->func[i] & PMBUS_HAVE_STATUS_IOUT) { - entries[idx].client = client; - entries[idx].page = i; - entries[idx].reg = PMBUS_STATUS_IOUT; - scnprintf(name, PMBUS_NAME_SIZE, "status%d_iout", i); - debugfs_create_file(name, 0444, debugfs, - &entries[idx++], - &pmbus_debugfs_ops); - } - - if (data->info->func[i] & PMBUS_HAVE_STATUS_INPUT) { - entries[idx].client = client; - entries[idx].page = i; - entries[idx].reg = PMBUS_STATUS_INPUT; - scnprintf(name, PMBUS_NAME_SIZE, "status%d_input", i); - debugfs_create_file(name, 0444, debugfs, - &entries[idx++], - &pmbus_debugfs_ops); - } - - if (data->info->func[i] & PMBUS_HAVE_STATUS_TEMP) { - entries[idx].client = client; - entries[idx].page = i; - entries[idx].reg = PMBUS_STATUS_TEMPERATURE; - scnprintf(name, PMBUS_NAME_SIZE, "status%d_temp", i); - debugfs_create_file(name, 0444, debugfs, - &entries[idx++], - &pmbus_debugfs_ops); - } - - if (pmbus_check_byte_register(client, i, PMBUS_STATUS_CML)) { - entries[idx].client = client; - entries[idx].page = i; - entries[idx].reg = PMBUS_STATUS_CML; - scnprintf(name, PMBUS_NAME_SIZE, "status%d_cml", i); - debugfs_create_file(name, 0444, debugfs, - &entries[idx++], - &pmbus_debugfs_ops); - } - - if (pmbus_check_byte_register(client, i, PMBUS_STATUS_OTHER)) { - entries[idx].client = client; - entries[idx].page = i; - entries[idx].reg = PMBUS_STATUS_OTHER; - scnprintf(name, PMBUS_NAME_SIZE, "status%d_other", i); - debugfs_create_file(name, 0444, debugfs, - &entries[idx++], - &pmbus_debugfs_ops); - } - - if (pmbus_check_byte_register(client, i, - PMBUS_STATUS_MFR_SPECIFIC)) { - entries[idx].client = client; - entries[idx].page = i; - entries[idx].reg = PMBUS_STATUS_MFR_SPECIFIC; - scnprintf(name, PMBUS_NAME_SIZE, "status%d_mfr", i); - debugfs_create_file(name, 0444, debugfs, - &entries[idx++], - &pmbus_debugfs_ops); - } - - if (data->info->func[i] & PMBUS_HAVE_STATUS_FAN12) { - entries[idx].client = client; - entries[idx].page = i; - entries[idx].reg = PMBUS_STATUS_FAN_12; - scnprintf(name, PMBUS_NAME_SIZE, "status%d_fan12", i); - debugfs_create_file(name, 0444, debugfs, - &entries[idx++], - &pmbus_debugfs_ops); - } - - if (data->info->func[i] & PMBUS_HAVE_STATUS_FAN34) { - entries[idx].client = client; - entries[idx].page = i; - entries[idx].reg = PMBUS_STATUS_FAN_34; - scnprintf(name, PMBUS_NAME_SIZE, "status%d_fan34", i); - debugfs_create_file(name, 0444, debugfs, - &entries[idx++], - &pmbus_debugfs_ops); + if ((data->info->func[page] & d->flag) || + (!d->flag && pmbus_check_byte_register(client, page, d->reg))) { + entries[idx].client = client; 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Sun, 09 Feb 2025 20:00:30 -0800 (PST) Received: from server.roeck-us.net ([2600:1700:e321:62f0:da43:aeff:fecc:bfd5]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21f3653c997sm67123145ad.78.2025.02.09.20.00.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Feb 2025 20:00:30 -0800 (PST) Sender: Guenter Roeck From: Guenter Roeck To: linux-hwmon@vger.kernel.org Cc: Wolfram Sang , Guenter Roeck Subject: [PATCH 8/8] hwmon: (pmbus/core) Report content of CAPABILITY register in debugfs Date: Sun, 9 Feb 2025 20:00:24 -0800 Message-ID: <20250210040024.2296208-2-linux@roeck-us.net> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250210040024.2296208-1-linux@roeck-us.net> References: <20250210040024.2296208-1-linux@roeck-us.net> Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Report the value of the CAPABILITY register in debugfs if supported. Only check if the register is supported if PMBUS_NO_CAPABILITY is not set. Signed-off-by: Guenter Roeck --- drivers/hwmon/pmbus/pmbus_core.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index f4d4a91ff4aa..b2e3cd1ec941 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -3585,6 +3585,15 @@ static void pmbus_init_debugfs(struct i2c_client *client, * assume that values of the following registers are the same for all * pages and report values only for page 0. */ + if (!(data->flags & PMBUS_NO_CAPABILITY) && + pmbus_check_byte_register(client, 0, PMBUS_CAPABILITY)) { + entries[idx].client = client; + entries[idx].page = 0; + entries[idx].reg = PMBUS_CAPABILITY; + debugfs_create_file("capability", 0444, debugfs, + &entries[idx++], + &pmbus_debugfs_ops); + } if (pmbus_check_byte_register(client, 0, PMBUS_REVISION)) { entries[idx].client = client; entries[idx].page = 0;