netdev - [PATCH 12/18] thunderbolt: Drop unused tb_port_set_initial

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Date:   Thu,  4 Mar 2021 15:31:19 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     linux-usb@...r.kernel.org
Cc:     Michael Jamet <michael.jamet@...el.com>,
        Yehezkel Bernat <YehezkelShB@...il.com>,
        Andreas Noever <andreas.noever@...il.com>,
        Isaac Hazan <isaac.hazan@...el.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Lukas Wunner <lukas@...ner.de>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org
Subject: [PATCH 12/18] thunderbolt: Drop unused tb_port_set_initial_credits()

This function is not used anymore in the driver so we can remove it.

Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
---
 drivers/thunderbolt/switch.c | 22 ----------------------
 drivers/thunderbolt/tb.h     |  1 -
 2 files changed, 23 deletions(-)

diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 218869c6ee21..7ac37a1f95e1 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -626,28 +626,6 @@ int tb_port_add_nfc_credits(struct tb_port *port, int credits)
 			     TB_CFG_PORT, ADP_CS_4, 1);
 }
 
-/**
- * tb_port_set_initial_credits() - Set initial port link credits allocated
- * @port: Port to set the initial credits
- * @credits: Number of credits to to allocate
- *
- * Set initial credits value to be used for ingress shared buffering.
- */
-int tb_port_set_initial_credits(struct tb_port *port, u32 credits)
-{
-	u32 data;
-	int ret;
-
-	ret = tb_port_read(port, &data, TB_CFG_PORT, ADP_CS_5, 1);
-	if (ret)
-		return ret;
-
-	data &= ~ADP_CS_5_LCA_MASK;
-	data |= (credits << ADP_CS_5_LCA_SHIFT) & ADP_CS_5_LCA_MASK;
-
-	return tb_port_write(port, &data, TB_CFG_PORT, ADP_CS_5, 1);
-}
-
 /**
  * tb_port_clear_counter() - clear a counter in TB_CFG_COUNTER
  * @port: Port whose counters to clear
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index d6ad45686488..ec8cdbc761fa 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -860,7 +860,6 @@ static inline bool tb_switch_tmu_is_enabled(const struct tb_switch *sw)
 
 int tb_wait_for_port(struct tb_port *port, bool wait_if_unplugged);
 int tb_port_add_nfc_credits(struct tb_port *port, int credits);
-int tb_port_set_initial_credits(struct tb_port *port, u32 credits);
 int tb_port_clear_counter(struct tb_port *port, int counter);
 int tb_port_unlock(struct tb_port *port);
 int tb_port_enable(struct tb_port *port);
-- 
2.30.1