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Subject[PATCH v2 3/9] soc: brcmstb: Make CPU credit offset more parameterized
Date
In preparation for fixing and changing values in the CPU_CREDIT_REG
register for B53-based systems, make the offset parameterized.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
drivers/soc/bcm/brcmstb/biuctrl.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/soc/bcm/brcmstb/biuctrl.c b/drivers/soc/bcm/brcmstb/biuctrl.c
index 3c39415d484f..c3c548fcaa8c 100644
--- a/drivers/soc/bcm/brcmstb/biuctrl.c
+++ b/drivers/soc/bcm/brcmstb/biuctrl.c
@@ -26,6 +26,7 @@

static void __iomem *cpubiuctrl_base;
static bool mcp_wr_pairing_en;
+static unsigned int cpu_credit_reg_offset = CPU_CREDIT_REG_OFFSET;

static int __init mcp_write_pairing_set(void)
{
@@ -34,15 +35,15 @@ static int __init mcp_write_pairing_set(void)
if (!cpubiuctrl_base)
return -1;

- creds = readl_relaxed(cpubiuctrl_base + CPU_CREDIT_REG_OFFSET);
+ creds = readl_relaxed(cpubiuctrl_base + cpu_credit_reg_offset);
if (mcp_wr_pairing_en) {
pr_info("MCP: Enabling write pairing\n");
writel_relaxed(creds | CPU_CREDIT_REG_MCPx_WR_PAIRING_EN_MASK,
- cpubiuctrl_base + CPU_CREDIT_REG_OFFSET);
+ cpubiuctrl_base + cpu_credit_reg_offset);
} else if (creds & CPU_CREDIT_REG_MCPx_WR_PAIRING_EN_MASK) {
pr_info("MCP: Disabling write pairing\n");
writel_relaxed(creds & ~CPU_CREDIT_REG_MCPx_WR_PAIRING_EN_MASK,
- cpubiuctrl_base + CPU_CREDIT_REG_OFFSET);
+ cpubiuctrl_base + cpu_credit_reg_offset);
} else {
pr_info("MCP: Write pairing already disabled\n");
}
@@ -81,7 +82,7 @@ static int brcmstb_cpu_credit_reg_suspend(void)
{
if (cpubiuctrl_base)
cpu_credit_reg_dump =
- readl_relaxed(cpubiuctrl_base + CPU_CREDIT_REG_OFFSET);
+ readl_relaxed(cpubiuctrl_base + cpu_credit_reg_offset);
return 0;
}

@@ -89,7 +90,7 @@ static void brcmstb_cpu_credit_reg_resume(void)
{
if (cpubiuctrl_base)
writel_relaxed(cpu_credit_reg_dump,
- cpubiuctrl_base + CPU_CREDIT_REG_OFFSET);
+ cpubiuctrl_base + cpu_credit_reg_offset);
}

static struct syscore_ops brcmstb_cpu_credit_syscore_ops = {
--
2.9.3
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