Merge tag 'microblaze-v6.6' of git://git.monstr.eu/linux-2.6-microblaze

893a259c · Linus Torvalds <[email protected]> · 2023-09-05 10:15:22 -07:00

Pull microblaze updates from Michal Simek:

 - Cleanup DT headers

 - Remove unused zalloc_maybe_bootmem()

 - Make virt_to_pfn() a static inline

* tag 'microblaze-v6.6' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: Make virt_to_pfn() a static inline
  microblaze: Remove zalloc_maybe_bootmem()
  microblaze: Explicitly include correct DT includes

Commit: 893a259caa6f08477bff2bccf1df0cdff38271ac
Parents: 3dceb8a9 · 0d2b4947

Merge commit. Changes below are compared with the first parent: 3dceb8a9.

Changes

4 files changed · +19 −27

File	Status	Add	Del	Content
arch/microblaze/include/asm/page.h	modified	+19	−8	View file
arch/microblaze/include/asm/setup.h	modified	+0	−2	View file
arch/microblaze/kernel/reset.c	modified	+0	−1	View file
arch/microblaze/mm/init.c	modified	+0	−16	View file

arch/microblaze/include/asm/page.h

View file

diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index 337f23e..86a4ce0 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -99,9 +99,6 @@ extern int page_is_ram(unsigned long pfn);
 # define phys_to_pfn(phys)	(PFN_DOWN(phys))
 # define pfn_to_phys(pfn)	(PFN_PHYS(pfn))
 
-# define virt_to_pfn(vaddr)	(phys_to_pfn((__pa(vaddr))))
-# define pfn_to_virt(pfn)	__va(pfn_to_phys((pfn)))
-
 #  define virt_to_page(kaddr)	(pfn_to_page(__pa(kaddr) >> PAGE_SHIFT))
 #  define page_to_virt(page)   __va(page_to_pfn(page) << PAGE_SHIFT)
 #  define page_to_phys(page)     (page_to_pfn(page) << PAGE_SHIFT)
@@ -109,11 +106,6 @@ extern int page_is_ram(unsigned long pfn);
 #  define ARCH_PFN_OFFSET	(memory_start >> PAGE_SHIFT)
 # endif /* __ASSEMBLY__ */
 
-#define	virt_addr_valid(vaddr)	(pfn_valid(virt_to_pfn(vaddr)))
-
-# define __pa(x)	__virt_to_phys((unsigned long)(x))
-# define __va(x)	((void *)__phys_to_virt((unsigned long)(x)))
-
 /* Convert between virtual and physical address for MMU. */
 /* Handle MicroBlaze processor with virtual memory. */
 #define __virt_to_phys(addr) \
@@ -125,6 +117,25 @@ extern int page_is_ram(unsigned long pfn);
 #define tovirt(rd, rs) \
 	addik rd, rs, (CONFIG_KERNEL_START - CONFIG_KERNEL_BASE_ADDR)
 
+#ifndef __ASSEMBLY__
+
+# define __pa(x)	__virt_to_phys((unsigned long)(x))
+# define __va(x)	((void *)__phys_to_virt((unsigned long)(x)))
+
+static inline unsigned long virt_to_pfn(const void *vaddr)
+{
+	return phys_to_pfn(__pa(vaddr));
+}
+
+static inline const void *pfn_to_virt(unsigned long pfn)
+{
+	return __va(pfn_to_phys((pfn)));
+}
+
+#define	virt_addr_valid(vaddr)	(pfn_valid(virt_to_pfn(vaddr)))
+
+#endif /* __ASSEMBLY__ */
+
 #define TOPHYS(addr)  __virt_to_phys(addr)
 
 #endif /* __KERNEL__ */

arch/microblaze/include/asm/setup.h

View file

diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h
index 3657f5e..bf2600f 100644
--- a/arch/microblaze/include/asm/setup.h
+++ b/arch/microblaze/include/asm/setup.h
@@ -25,7 +25,5 @@ void machine_shutdown(void);
 void machine_halt(void);
 void machine_power_off(void);
 
-extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
-
 # endif /* __ASSEMBLY__ */
 #endif /* _ASM_MICROBLAZE_SETUP_H */

arch/microblaze/kernel/reset.c

View file

diff --git a/arch/microblaze/kernel/reset.c b/arch/microblaze/kernel/reset.c
index 5f47229..2f66c79 100644
--- a/arch/microblaze/kernel/reset.c
+++ b/arch/microblaze/kernel/reset.c
@@ -9,7 +9,6 @@
 
 #include <linux/init.h>
 #include <linux/delay.h>
-#include <linux/of_platform.h>
 #include <linux/reboot.h>
 
 void machine_shutdown(void)

arch/microblaze/mm/init.c

View file

diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 353fabd..3827dc7 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -270,22 +270,6 @@ asmlinkage void __init mmu_init(void)
 	memblock_dump_all();
 }
 
-void * __ref zalloc_maybe_bootmem(size_t size, gfp_t mask)
-{
-	void *p;
-
-	if (mem_init_done) {
-		p = kzalloc(size, mask);
-	} else {
-		p = memblock_alloc(size, SMP_CACHE_BYTES);
-		if (!p)
-			panic("%s: Failed to allocate %zu bytes\n",
-			      __func__, size);
-	}
-
-	return p;
-}
-
 static const pgprot_t protection_map[16] = {
 	[VM_NONE]					= PAGE_NONE,
 	[VM_READ]					= PAGE_READONLY_X,