patches.renesas/0019-clk-renesas-cpg-mssr-Rename-cpg_mssr_priv.mstp_lock.patch

From df8d4a6120036c61f31ad5f523ce0236595c32c4 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Fri, 20 Jan 2017 10:58:11 +0100
Subject: [PATCH 019/255] clk: renesas: cpg-mssr: Rename
 cpg_mssr_priv.mstp_lock

The spinlock is used to protect Read-Modify-Write register accesses,
which won't be limited to SMSTPCR register accesses.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
(cherry picked from commit a4ea6a0f83073f256547a49fa6433806cee2cc87)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/clk/renesas/renesas-cpg-mssr.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -98,7 +98,7 @@ static const u16 srcr[] = {
  *
  * @dev: CPG/MSSR device
  * @base: CPG/MSSR register block base address
- * @mstp_lock: protects writes to SMSTPCR
+ * @rmw_lock: protects RMW register accesses
  * @clks: Array containing all Core and Module Clocks
  * @num_core_clks: Number of Core Clocks in clks[]
  * @num_mod_clks: Number of Module Clocks in clks[]
@@ -107,7 +107,7 @@ static const u16 srcr[] = {
 struct cpg_mssr_priv {
 	struct device *dev;
 	void __iomem *base;
-	spinlock_t mstp_lock;
+	spinlock_t rmw_lock;
 
 	struct clk **clks;
 	unsigned int num_core_clks;
@@ -144,7 +144,7 @@ static int cpg_mstp_clock_endisable(stru
 
 	dev_dbg(dev, "MSTP %u%02u/%pC %s\n", reg, bit, hw->clk,
 		enable ? "ON" : "OFF");
-	spin_lock_irqsave(&priv->mstp_lock, flags);
+	spin_lock_irqsave(&priv->rmw_lock, flags);
 
 	value = readl(priv->base + SMSTPCR(reg));
 	if (enable)
@@ -153,7 +153,7 @@ static int cpg_mstp_clock_endisable(stru
 		value |= bitmask;
 	writel(value, priv->base + SMSTPCR(reg));
 
-	spin_unlock_irqrestore(&priv->mstp_lock, flags);
+	spin_unlock_irqrestore(&priv->rmw_lock, flags);
 
 	if (!enable)
 		return 0;
@@ -550,7 +550,7 @@ static int __init cpg_mssr_probe(struct
 		return -ENOMEM;
 
 	priv->dev = dev;
-	spin_lock_init(&priv->mstp_lock);
+	spin_lock_init(&priv->rmw_lock);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->base = devm_ioremap_resource(dev, res);