i3c: mipi-i3c-hci: Relocate helper macros to HCI header file

The reg_* helper macros are currently limited to core.c. Moving them to
hci.h will allow their functionality to be utilized in other files outside
of core.c.
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Co-developed-by: Guruvendra Punugupati <Guruvendra.Punugupati@amd.com>
Signed-off-by: Guruvendra Punugupati <Guruvendra.Punugupati@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20240829091713.736217-5-Shyam-sundar.S-k@amd.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/i3c/master/mipi-i3c-hci/core.c

@@ -12,7 +12,6 @@
 #include <linux/errno.h>
 #include <linux/i3c/master.h>
 #include <linux/interrupt.h>
-#include <linux/io.h>
 #include <linux/iopoll.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
@@ -27,11 +26,6 @@
  * Host Controller Capabilities and Operation Registers
  */
 
-#define reg_read(r)		readl(hci->base_regs + (r))
-#define reg_write(r, v)		writel(v, hci->base_regs + (r))
-#define reg_set(r, v)		reg_write(r, reg_read(r) | (v))
-#define reg_clear(r, v)		reg_write(r, reg_read(r) & ~(v))
-
 #define HCI_VERSION			0x00	/* HCI Version (in BCD) */
 
 #define HC_CONTROL			0x04

drivers/i3c/master/mipi-i3c-hci/hci.h

@@ -10,6 +10,7 @@
 #ifndef HCI_H
 #define HCI_H
 
+#include <linux/io.h>
 
 /* Handy logging macro to save on line length */
 #define DBG(x, ...) pr_devel("%s: " x "\n", __func__, ##__VA_ARGS__)
@@ -26,6 +27,10 @@
 #define W2_BIT_(x)  BIT((x) - 64)
 #define W3_BIT_(x)  BIT((x) - 96)
 
+#define reg_read(r)		readl(hci->base_regs + (r))
+#define reg_write(r, v)		writel(v, hci->base_regs + (r))
+#define reg_set(r, v)		reg_write(r, reg_read(r) | (v))
+#define reg_clear(r, v)		reg_write(r, reg_read(r) & ~(v))
 
 struct hci_cmd_ops;