linux-kernel - [PATCH v2 3/5] i3c: mipi-i3c-hci: Relocate helper macros to HCI header file

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Message-ID: <20240724071245.3833404-4-Shyam-sundar.S-k@amd.com>
Date: Wed, 24 Jul 2024 12:42:43 +0530
From: Shyam Sundar S K <Shyam-sundar.S-k@....com>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>, Jarkko Nikula
	<jarkko.nikula@...ux.intel.com>
CC: Guruvendra Punugupati <Guruvendra.Punugupati@....com>, Krishnamoorthi M
	<krishnamoorthi.m@....com>, <linux-i3c@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, Shyam Sundar S K <Shyam-sundar.S-k@....com>
Subject: [PATCH v2 3/5] 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.

Co-developed-by: Guruvendra Punugupati <Guruvendra.Punugupati@....com>
Signed-off-by: Guruvendra Punugupati <Guruvendra.Punugupati@....com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@....com>
---
 drivers/i3c/master/mipi-i3c-hci/core.c | 6 ------
 drivers/i3c/master/mipi-i3c-hci/hci.h  | 5 +++++
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/i3c/master/mipi-i3c-hci/core.c b/drivers/i3c/master/mipi-i3c-hci/core.c
index 8bb422ab1d01..ca9d4e2c80e6 100644
--- a/drivers/i3c/master/mipi-i3c-hci/core.c
+++ b/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 HCI_VERSION_V1			0x100	/* MIPI HCI Version number V1.0 */
 
diff --git a/drivers/i3c/master/mipi-i3c-hci/hci.h b/drivers/i3c/master/mipi-i3c-hci/hci.h
index 046b65d43e63..8e5af4e55de1 100644
--- a/drivers/i3c/master/mipi-i3c-hci/hci.h
+++ b/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;
 
-- 
2.25.1