openwrt/target/linux/cns3xxx/patches-4.9/097-l2x0_cmdline_disable.patch
Koen Vandeputte 1db4135e32 cns3xxx: add preliminary 4.9 support
Adds preliminary kernel 4.9 support for this target.

- Refreshed/Updated all patches

Added 3 new patches:
- 093 --> Add virtual PCI MMIO mapping
- 230 --> Remove deprecated code
- 240 --> Rework AT24 eeprom code to use the new NVMEM API

Compiled & tested on cns3xxx (gw2388)

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2017-02-10 11:05:57 +01:00

70 lines
1.6 KiB
Diff

--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -307,13 +307,26 @@ void __init cns3xxx_timer_init(void)
#ifdef CONFIG_CACHE_L2X0
-void __init cns3xxx_l2x0_init(void)
+static int cns3xxx_l2x0_enable = 1;
+
+static int __init cns3xxx_l2x0_disable(char *s)
+{
+ cns3xxx_l2x0_enable = 0;
+ return 1;
+}
+__setup("nol2x0", cns3xxx_l2x0_disable);
+
+static int __init cns3xxx_l2x0_init(void)
{
- void __iomem *base = ioremap(CNS3XXX_L2C_BASE, SZ_4K);
+ void __iomem *base;
u32 val;
+ if (!cns3xxx_l2x0_enable)
+ return 0;
+
+ base = ioremap(CNS3XXX_L2C_BASE, SZ_4K);
if (WARN_ON(!base))
- return;
+ return 0;
/*
* Tag RAM Control register
@@ -343,7 +356,10 @@ void __init cns3xxx_l2x0_init(void)
/* 32 KiB, 8-way, parity disable */
l2x0_init(base, 0x00500000, 0xfe0f0fff);
+
+ return 0;
}
+arch_initcall(cns3xxx_l2x0_init);
#endif /* CONFIG_CACHE_L2X0 */
--- a/arch/arm/mach-cns3xxx/cns3420vb.c
+++ b/arch/arm/mach-cns3xxx/cns3420vb.c
@@ -239,8 +239,6 @@ static struct platform_device *cns3420_p
static void __init cns3420_init(void)
{
- cns3xxx_l2x0_init();
-
platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs));
cns3xxx_ahci_init();
--- a/arch/arm/mach-cns3xxx/core.h
+++ b/arch/arm/mach-cns3xxx/core.h
@@ -16,12 +16,6 @@
extern struct smp_operations cns3xxx_smp_ops;
extern void cns3xxx_timer_init(void);
-#ifdef CONFIG_CACHE_L2X0
-void __init cns3xxx_l2x0_init(void);
-#else
-static inline void cns3xxx_l2x0_init(void) {}
-#endif /* CONFIG_CACHE_L2X0 */
-
#ifdef CONFIG_PCI
extern void __init cns3xxx_pcie_init_late(void);
#else