linux-kernel - [PATCH v3 3/4] mfd: intel-m10-bmc: Move m10bmc_sys

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Message-Id: <20230417092653.16487-4-ilpo.jarvinen@linux.intel.com>
Date:   Mon, 17 Apr 2023 12:26:52 +0300
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     Xu Yilun <yilun.xu@...el.com>, Wu Hao <hao.wu@...el.com>,
        Tom Rix <trix@...hat.com>, Moritz Fischer <mdf@...nel.org>,
        linux-fpga@...r.kernel.org, Lee Jones <lee@...nel.org>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Russ Weight <russell.h.weight@...el.com>,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH v3 3/4] mfd: intel-m10-bmc: Move m10bmc_sys_read() away from header

Move m10bmc_sys_read() out from the header to prepare it for adding
more code into the function which would make it too large to be a
static inline any more.

While at it, replace the vague wording in function comment with more
precise statements.

Reviewed-by: Russ Weight <russell.h.weight@...el.com>
Acked-by: Guenter Roeck <linux@...ck-us.net> # For hwmon
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
---
 drivers/hwmon/intel-m10-bmc-hwmon.c |  1 +
 drivers/mfd/intel-m10-bmc-core.c    | 14 ++++++++++++++
 include/linux/mfd/intel-m10-bmc.h   | 17 +----------------
 3 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/hwmon/intel-m10-bmc-hwmon.c b/drivers/hwmon/intel-m10-bmc-hwmon.c
index 2f0323c14bab..92900ce7986b 100644
--- a/drivers/hwmon/intel-m10-bmc-hwmon.c
+++ b/drivers/hwmon/intel-m10-bmc-hwmon.c
@@ -794,3 +794,4 @@ MODULE_DEVICE_TABLE(platform, intel_m10bmc_hwmon_ids);
 MODULE_AUTHOR("Intel Corporation");
 MODULE_DESCRIPTION("Intel MAX 10 BMC hardware monitor");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(INTEL_M10_BMC_CORE);
diff --git a/drivers/mfd/intel-m10-bmc-core.c b/drivers/mfd/intel-m10-bmc-core.c
index dab1bb152fd6..51f865174796 100644
--- a/drivers/mfd/intel-m10-bmc-core.c
+++ b/drivers/mfd/intel-m10-bmc-core.c
@@ -12,6 +12,20 @@
 #include <linux/mfd/intel-m10-bmc.h>
 #include <linux/module.h>
 
+/*
+ * This function helps to simplify the accessing of the system registers.
+ *
+ * The base of the system registers is configured through the struct
+ * csr_map.
+ */
+int m10bmc_sys_read(struct intel_m10bmc *m10bmc, unsigned int offset, unsigned int *val)
+{
+	const struct m10bmc_csr_map *csr_map = m10bmc->info->csr_map;
+
+	return m10bmc_raw_read(m10bmc, csr_map->base + offset, val);
+}
+EXPORT_SYMBOL_NS_GPL(m10bmc_sys_read, INTEL_M10_BMC_CORE);
+
 int m10bmc_sys_update_bits(struct intel_m10bmc *m10bmc, unsigned int offset,
 			   unsigned int msk, unsigned int val)
 {
diff --git a/include/linux/mfd/intel-m10-bmc.h b/include/linux/mfd/intel-m10-bmc.h
index 5418f7279ed0..252644fa61be 100644
--- a/include/linux/mfd/intel-m10-bmc.h
+++ b/include/linux/mfd/intel-m10-bmc.h
@@ -267,22 +267,7 @@ m10bmc_raw_read(struct intel_m10bmc *m10bmc, unsigned int addr,
 	return ret;
 }
 
-/*
- * The base of the system registers could be configured by HW developers, and
- * in HW SPEC, the base is not added to the addresses of the system registers.
- *
- * This function helps to simplify the accessing of the system registers. And if
- * the base is reconfigured in HW, SW developers could simply change the
- * csr_map's base accordingly.
- */
-static inline int m10bmc_sys_read(struct intel_m10bmc *m10bmc, unsigned int offset,
-				  unsigned int *val)
-{
-	const struct m10bmc_csr_map *csr_map = m10bmc->info->csr_map;
-
-	return m10bmc_raw_read(m10bmc, csr_map->base + offset, val);
-}
-
+int m10bmc_sys_read(struct intel_m10bmc *m10bmc, unsigned int offset, unsigned int *val);
 int m10bmc_sys_update_bits(struct intel_m10bmc *m10bmc, unsigned int offset,
 			   unsigned int msk, unsigned int val);
 
-- 
2.30.2