linux-kernel - [PATCH 2/2] soundwire: bus: Remove unused reset_page

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Date:   Thu, 1 Dec 2022 14:08:13 +0000
From:   Richard Fitzgerald <rf@...nsource.cirrus.com>
To:     <vkoul@...nel.org>, <pierre-louis.bossart@...ux.intel.com>
CC:     <yung-chuan.liao@...ux.intel.com>, <sanyog.r.kale@...el.com>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <patches@...nsource.cirrus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>
Subject: [PATCH 2/2] soundwire: bus: Remove unused reset_page_addr() callback

A previous patch removed unnecessary zeroing of the page registers
after a paged transaction, so now the reset_page_addr callback is
unused and can be removed.

Signed-off-by: Richard Fitzgerald <rf@...nsource.cirrus.com>
---
 drivers/soundwire/cadence_master.c  | 14 --------------
 drivers/soundwire/cadence_master.h  |  3 ---
 drivers/soundwire/intel_auxdevice.c |  1 -
 include/linux/soundwire/sdw.h       |  3 ---
 4 files changed, 21 deletions(-)

diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c
index 6bffecf3d61a..1c4f8dea57f2 100644
--- a/drivers/soundwire/cadence_master.c
+++ b/drivers/soundwire/cadence_master.c
@@ -769,20 +769,6 @@ cdns_xfer_msg_defer(struct sdw_bus *bus,
 }
 EXPORT_SYMBOL(cdns_xfer_msg_defer);
 
-enum sdw_command_response
-cdns_reset_page_addr(struct sdw_bus *bus, unsigned int dev_num)
-{
-	struct sdw_cdns *cdns = bus_to_cdns(bus);
-	struct sdw_msg msg;
-
-	/* Create dummy message with valid device number */
-	memset(&msg, 0, sizeof(msg));
-	msg.dev_num = dev_num;
-
-	return cdns_program_scp_addr(cdns, &msg);
-}
-EXPORT_SYMBOL(cdns_reset_page_addr);
-
 u32 cdns_read_ping_status(struct sdw_bus *bus)
 {
 	struct sdw_cdns *cdns = bus_to_cdns(bus);
diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h
index c2d817e8e22a..064fe38fe7f0 100644
--- a/drivers/soundwire/cadence_master.h
+++ b/drivers/soundwire/cadence_master.h
@@ -172,9 +172,6 @@ struct sdw_cdns_pdi *sdw_cdns_alloc_pdi(struct sdw_cdns *cdns,
 void sdw_cdns_config_stream(struct sdw_cdns *cdns,
 			    u32 ch, u32 dir, struct sdw_cdns_pdi *pdi);
 
-enum sdw_command_response
-cdns_reset_page_addr(struct sdw_bus *bus, unsigned int dev_num);
-
 enum sdw_command_response
 cdns_xfer_msg(struct sdw_bus *bus, struct sdw_msg *msg);
 
diff --git a/drivers/soundwire/intel_auxdevice.c b/drivers/soundwire/intel_auxdevice.c
index 96c6b2112feb..5021be0f4158 100644
--- a/drivers/soundwire/intel_auxdevice.c
+++ b/drivers/soundwire/intel_auxdevice.c
@@ -113,7 +113,6 @@ static struct sdw_master_ops sdw_intel_ops = {
 	.override_adr = sdw_dmi_override_adr,
 	.xfer_msg = cdns_xfer_msg,
 	.xfer_msg_defer = cdns_xfer_msg_defer,
-	.reset_page_addr = cdns_reset_page_addr,
 	.set_bus_conf = cdns_bus_conf,
 	.pre_bank_switch = generic_pre_bank_switch,
 	.post_bank_switch = generic_post_bank_switch,
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 9e4537f409c2..208faf3c886a 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -835,7 +835,6 @@ struct sdw_defer {
  * @override_adr: Override value read from firmware (quirk for buggy firmware)
  * @xfer_msg: Transfer message callback
  * @xfer_msg_defer: Defer version of transfer message callback
- * @reset_page_addr: Reset the SCP page address registers
  * @set_bus_conf: Set the bus configuration
  * @pre_bank_switch: Callback for pre bank switch
  * @post_bank_switch: Callback for post bank switch
@@ -851,8 +850,6 @@ struct sdw_master_ops {
 	enum sdw_command_response (*xfer_msg_defer)
 			(struct sdw_bus *bus, struct sdw_msg *msg,
 			struct sdw_defer *defer);
-	enum sdw_command_response (*reset_page_addr)
-			(struct sdw_bus *bus, unsigned int dev_num);
 	int (*set_bus_conf)(struct sdw_bus *bus,
 			struct sdw_bus_params *params);
 	int (*pre_bank_switch)(struct sdw_bus *bus);
-- 
2.30.2