kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 95 deletions

diff --git a/target/linux/layerscape/patches-5.4/301-arch-0008-arm-add-new-non-shareable-ioremap.patch b/target/linux/layerscape/patches-5.4/301-arch-0008-arm-add-new-non-shareable-ioremap.patch
deleted file mode 100644
index c09efca570..0000000000
--- a/target/linux/layerscape/patches-5.4/301-arch-0008-arm-add-new-non-shareable-ioremap.patch
+++ /dev/null
@@ -1,95 +0,0 @@
-From e5bf75ca33946d81c82014168042a64db7c81551 Mon Sep 17 00:00:00 2001
-From: Pan Jiafei <Jiafei.Pan@nxp.com>
-Date: Thu, 17 Mar 2016 02:01:03 +0000
-Subject: [PATCH] arm: add new non-shareable ioremap
-
-Signed-off-by: Pan Jiafei <Jiafei.Pan@nxp.com>
-Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
----
- arch/arm/include/asm/io.h       | 3 +++
- arch/arm/include/asm/mach/map.h | 4 ++--
- arch/arm/mm/ioremap.c           | 7 +++++++
- arch/arm/mm/mmu.c               | 9 +++++++++
- 4 files changed, 21 insertions(+), 2 deletions(-)
-
---- a/arch/arm/include/asm/io.h
-+++ b/arch/arm/include/asm/io.h
-@@ -123,6 +123,7 @@ static inline u32 __raw_readl(const vola
- #define MT_DEVICE_NONSHARED	1
- #define MT_DEVICE_CACHED	2
- #define MT_DEVICE_WC		3
-+#define MT_MEMORY_RW_NS		4
- /*
-  * types 4 onwards can be found in asm/mach/map.h and are undefined
-  * for ioremap
-@@ -438,6 +439,8 @@ void __iomem *ioremap_wc(resource_size_t
- #define ioremap_wc ioremap_wc
- #define ioremap_wt ioremap_wc
- 
-+void __iomem *ioremap_cache_ns(resource_size_t res_cookie, size_t size);
-+
- void iounmap(volatile void __iomem *iomem_cookie);
- #define iounmap iounmap
- 
---- a/arch/arm/include/asm/mach/map.h
-+++ b/arch/arm/include/asm/mach/map.h
-@@ -18,9 +18,9 @@ struct map_desc {
- 	unsigned int type;
- };
- 
--/* types 0-3 are defined in asm/io.h */
-+/* types 0-4 are defined in asm/io.h */
- enum {
--	MT_UNCACHED = 4,
-+	MT_UNCACHED = 5,
- 	MT_CACHECLEAN,
- 	MT_MINICLEAN,
- 	MT_LOW_VECTORS,
---- a/arch/arm/mm/ioremap.c
-+++ b/arch/arm/mm/ioremap.c
-@@ -401,6 +401,13 @@ void __iomem *ioremap_wc(resource_size_t
- }
- EXPORT_SYMBOL(ioremap_wc);
- 
-+void __iomem *ioremap_cache_ns(resource_size_t res_cookie, size_t size)
-+{
-+	return arch_ioremap_caller(res_cookie, size, MT_MEMORY_RW_NS,
-+				   __builtin_return_address(0));
-+}
-+EXPORT_SYMBOL(ioremap_cache_ns);
-+
- /*
-  * Remap an arbitrary physical address space into the kernel virtual
-  * address space as memory. Needed when the kernel wants to execute
---- a/arch/arm/mm/mmu.c
-+++ b/arch/arm/mm/mmu.c
-@@ -314,6 +314,13 @@ static struct mem_type mem_types[] __ro_
- 		.prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE,
- 		.domain    = DOMAIN_KERNEL,
- 	},
-+	[MT_MEMORY_RW_NS] = {
-+		.prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
-+			     L_PTE_XN,
-+		.prot_l1   = PMD_TYPE_TABLE,
-+		.prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_XN,
-+		.domain    = DOMAIN_KERNEL,
-+	},
- 	[MT_ROM] = {
- 		.prot_sect = PMD_TYPE_SECT,
- 		.domain    = DOMAIN_KERNEL,
-@@ -650,6 +657,7 @@ static void __init build_mem_type_table(
- 	}
- 	kern_pgprot |= PTE_EXT_AF;
- 	vecs_pgprot |= PTE_EXT_AF;
-+	mem_types[MT_MEMORY_RW_NS].prot_pte |= PTE_EXT_AF | cp->pte;
- 
- 	/*
- 	 * Set PXN for user mappings
-@@ -678,6 +686,7 @@ static void __init build_mem_type_table(
- 	mem_types[MT_MEMORY_RWX].prot_pte |= kern_pgprot;
- 	mem_types[MT_MEMORY_RW].prot_sect |= ecc_mask | cp->pmd;
- 	mem_types[MT_MEMORY_RW].prot_pte |= kern_pgprot;
-+	mem_types[MT_MEMORY_RW_NS].prot_sect |= ecc_mask | cp->pmd;
- 	mem_types[MT_MEMORY_DMA_READY].prot_pte |= kern_pgprot;
- 	mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= ecc_mask;
- 	mem_types[MT_ROM].prot_sect |= cp->pmd;