[PATCH] MIPS: Remove empty prom_free_prom_memory functions

From: Thomas Bogendoerfer
Date: Tue Jan 05 2021 - 16:37:26 EST


Most of the prom_free_prom_memory functions are empty. With
a new weak prom_free_prom_memory() we can remove all of them.

Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
---
arch/mips/alchemy/common/prom.c | 4 ----
arch/mips/ar7/memory.c | 5 -----
arch/mips/ath25/prom.c | 4 ----
arch/mips/ath79/prom.c | 5 -----
arch/mips/bcm47xx/prom.c | 4 ----
arch/mips/bcm63xx/prom.c | 4 ----
arch/mips/bmips/setup.c | 4 ----
arch/mips/cobalt/setup.c | 5 -----
arch/mips/fw/arc/memory.c | 2 +-
arch/mips/fw/sni/sniprom.c | 4 ----
arch/mips/generic/init.c | 4 ----
arch/mips/lantiq/prom.c | 4 ----
arch/mips/loongson2ef/common/init.c | 4 ----
arch/mips/loongson32/common/prom.c | 4 ----
arch/mips/loongson64/init.c | 4 ----
arch/mips/mm/init.c | 5 +++++
arch/mips/mti-malta/malta-memory.c | 4 ----
arch/mips/netlogic/xlp/setup.c | 5 -----
arch/mips/netlogic/xlr/setup.c | 5 -----
arch/mips/pic32/pic32mzda/init.c | 4 ----
arch/mips/pistachio/init.c | 4 ----
arch/mips/ralink/prom.c | 4 ----
arch/mips/rb532/prom.c | 5 -----
arch/mips/sgi-ip27/ip27-memory.c | 5 -----
arch/mips/sgi-ip32/ip32-memory.c | 5 -----
arch/mips/sibyte/common/cfe.c | 5 -----
arch/mips/txx9/generic/setup.c | 4 ----
arch/mips/vr41xx/common/init.c | 4 ----
28 files changed, 6 insertions(+), 114 deletions(-)

diff --git a/arch/mips/alchemy/common/prom.c b/arch/mips/alchemy/common/prom.c
index d910c0a64de9..b13d8adf3be4 100644
--- a/arch/mips/alchemy/common/prom.c
+++ b/arch/mips/alchemy/common/prom.c
@@ -143,7 +143,3 @@ int __init prom_get_ethernet_addr(char *ethernet_addr)

return 0;
}
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/ar7/memory.c b/arch/mips/ar7/memory.c
index 787716c5e946..ce8024c1a54e 100644
--- a/arch/mips/ar7/memory.c
+++ b/arch/mips/ar7/memory.c
@@ -49,8 +49,3 @@ void __init prom_meminit(void)
pages = memsize() >> PAGE_SHIFT;
memblock_add(PHYS_OFFSET, pages << PAGE_SHIFT);
}
-
-void __init prom_free_prom_memory(void)
-{
- /* Nothing to free */
-}
diff --git a/arch/mips/ath25/prom.c b/arch/mips/ath25/prom.c
index edf82be8870d..4466e14feaa4 100644
--- a/arch/mips/ath25/prom.c
+++ b/arch/mips/ath25/prom.c
@@ -20,7 +20,3 @@
void __init prom_init(void)
{
}
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/ath79/prom.c b/arch/mips/ath79/prom.c
index 25724b4e97fd..cc6dc5600677 100644
--- a/arch/mips/ath79/prom.c
+++ b/arch/mips/ath79/prom.c
@@ -32,8 +32,3 @@ void __init prom_init(void)
}
#endif
}
-
-void __init prom_free_prom_memory(void)
-{
- /* We do not have to prom memory to free */
-}
diff --git a/arch/mips/bcm47xx/prom.c b/arch/mips/bcm47xx/prom.c
index 3e2a8166377f..0a63721d0fbf 100644
--- a/arch/mips/bcm47xx/prom.c
+++ b/arch/mips/bcm47xx/prom.c
@@ -113,10 +113,6 @@ void __init prom_init(void)
setup_8250_early_printk_port(CKSEG1ADDR(BCM47XX_SERIAL_ADDR), 0, 0);
}

-void __init prom_free_prom_memory(void)
-{
-}
-
#if defined(CONFIG_BCM47XX_BCMA) && defined(CONFIG_HIGHMEM)

#define EXTVBASE 0xc0000000
diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c
index df69eaa453a1..c3a2ea62c5c3 100644
--- a/arch/mips/bcm63xx/prom.c
+++ b/arch/mips/bcm63xx/prom.c
@@ -94,7 +94,3 @@ void __init prom_init(void)
*/
}
}
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c
index 19308df5f577..afc9d696bcb6 100644
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -129,10 +129,6 @@ void __init prom_init(void)
register_bmips_smp_ops();
}

-void __init prom_free_prom_memory(void)
-{
-}
-
const char *get_system_type(void)
{
return "Generic BMIPS kernel";
diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c
index 46581e686882..2e099d55a564 100644
--- a/arch/mips/cobalt/setup.c
+++ b/arch/mips/cobalt/setup.c
@@ -117,8 +117,3 @@ void __init prom_init(void)

setup_8250_early_printk_port(CKSEG1ADDR(0x1c800000), 0, 0);
}
-
-void __init prom_free_prom_memory(void)
-{
- /* Nothing to do! */
-}
diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c
index 37625ae5e35d..ef5fc1ca1b5d 100644
--- a/arch/mips/fw/arc/memory.c
+++ b/arch/mips/fw/arc/memory.c
@@ -173,7 +173,7 @@ void __weak __init prom_cleanup(void)
{
}

-void __weak __init prom_free_prom_memory(void)
+void __init prom_free_prom_memory(void)
{
int i;

diff --git a/arch/mips/fw/sni/sniprom.c b/arch/mips/fw/sni/sniprom.c
index 8f6730376a42..74975e115950 100644
--- a/arch/mips/fw/sni/sniprom.c
+++ b/arch/mips/fw/sni/sniprom.c
@@ -87,10 +87,6 @@ void *prom_get_hwconf(void)
return (void *)CKSEG1ADDR(hwconf);
}

-void __init prom_free_prom_memory(void)
-{
-}
-
/*
* /proc/cpuinfo system type
*
diff --git a/arch/mips/generic/init.c b/arch/mips/generic/init.c
index 66a19337d2ab..68763fcde1d0 100644
--- a/arch/mips/generic/init.c
+++ b/arch/mips/generic/init.c
@@ -202,7 +202,3 @@ void __init arch_init_irq(void)

irqchip_init();
}
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index 51a218f04fe0..0eb1d276da3e 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -44,10 +44,6 @@ int ltq_soc_type(void)
return soc_info.type;
}

-void __init prom_free_prom_memory(void)
-{
-}
-
static void __init prom_init_cmdline(void)
{
int argc = fw_arg0;
diff --git a/arch/mips/loongson2ef/common/init.c b/arch/mips/loongson2ef/common/init.c
index ce3f02f75e2a..088aa56d4ed1 100644
--- a/arch/mips/loongson2ef/common/init.c
+++ b/arch/mips/loongson2ef/common/init.c
@@ -46,7 +46,3 @@ void __init prom_init(void)
prom_init_uart_base();
board_nmi_handler_setup = mips_nmi_setup;
}
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/loongson32/common/prom.c b/arch/mips/loongson32/common/prom.c
index c133b5adf34e..fc580a22748e 100644
--- a/arch/mips/loongson32/common/prom.c
+++ b/arch/mips/loongson32/common/prom.c
@@ -36,10 +36,6 @@ void __init prom_init(void)
setup_8250_early_printk_port((unsigned long)uart_base, 0, 0);
}

-void __init prom_free_prom_memory(void)
-{
-}
-
void __init plat_mem_setup(void)
{
memblock_add(0x0, (memsize << 20));
diff --git a/arch/mips/loongson64/init.c b/arch/mips/loongson64/init.c
index e13f704bef80..87a4569972ae 100644
--- a/arch/mips/loongson64/init.c
+++ b/arch/mips/loongson64/init.c
@@ -115,10 +115,6 @@ void __init prom_init(void)
board_nmi_handler_setup = mips_nmi_setup;
}

-void __init prom_free_prom_memory(void)
-{
-}
-
static int __init add_legacy_isa_io(struct fwnode_handle *fwnode, resource_size_t hw_start,
resource_size_t size)
{
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index bc80893e5c0f..5cb73bf74a8b 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -495,6 +495,11 @@ void free_init_pages(const char *what, unsigned long begin, unsigned long end)

void (*free_init_pages_eva)(void *begin, void *end) = NULL;

+void __weak __init prom_free_prom_memory(void)
+{
+ /* nothing to do */
+}
+
void __ref free_initmem(void)
{
prom_free_prom_memory();
diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c
index 7c25a0a2345c..952018812885 100644
--- a/arch/mips/mti-malta/malta-memory.c
+++ b/arch/mips/mti-malta/malta-memory.c
@@ -37,10 +37,6 @@ void __init fw_meminit(void)
free_init_pages_eva = eva ? free_init_pages_eva_malta : NULL;
}

-void __init prom_free_prom_memory(void)
-{
-}
-
phys_addr_t mips_cdmm_phys_base(void)
{
/* This address is "typically unused" */
diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c
index 9adc0c1b4ffc..9fbaa1e5b340 100644
--- a/arch/mips/netlogic/xlp/setup.c
+++ b/arch/mips/netlogic/xlp/setup.c
@@ -130,11 +130,6 @@ const char *get_system_type(void)
}
}

-void __init prom_free_prom_memory(void)
-{
- /* Nothing yet */
-}
-
void xlp_mmu_init(void)
{
u32 conf4;
diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c
index 627e88101316..aa83d691df0f 100644
--- a/arch/mips/netlogic/xlr/setup.c
+++ b/arch/mips/netlogic/xlr/setup.c
@@ -89,11 +89,6 @@ unsigned int nlm_get_cpu_frequency(void)
return (unsigned int)nlm_prom_info.cpu_frequency;
}

-void __init prom_free_prom_memory(void)
-{
- /* Nothing yet */
-}
-
void nlm_percpu_init(int hwcpuid)
{
if (hwcpuid % 4 == 0)
diff --git a/arch/mips/pic32/pic32mzda/init.c b/arch/mips/pic32/pic32mzda/init.c
index 50f376f058f4..d0b1429da656 100644
--- a/arch/mips/pic32/pic32mzda/init.c
+++ b/arch/mips/pic32/pic32mzda/init.c
@@ -91,10 +91,6 @@ void __init prom_init(void)
pic32_init_cmdline((int)fw_arg0, (char **)fw_arg1);
}

-void __init prom_free_prom_memory(void)
-{
-}
-
void __init device_tree_init(void)
{
if (!initial_boot_params)
diff --git a/arch/mips/pistachio/init.c b/arch/mips/pistachio/init.c
index 558995ed6fe8..ddc0e84c13f5 100644
--- a/arch/mips/pistachio/init.c
+++ b/arch/mips/pistachio/init.c
@@ -118,10 +118,6 @@ void __init prom_init(void)
pr_info("SoC Type: %s\n", get_system_type());
}

-void __init prom_free_prom_memory(void)
-{
-}
-
void __init device_tree_init(void)
{
if (!initial_boot_params)
diff --git a/arch/mips/ralink/prom.c b/arch/mips/ralink/prom.c
index 02e7878dc427..25728def3503 100644
--- a/arch/mips/ralink/prom.c
+++ b/arch/mips/ralink/prom.c
@@ -66,7 +66,3 @@ void __init prom_init(void)

prom_init_cmdline();
}
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/rb532/prom.c b/arch/mips/rb532/prom.c
index a9d1f2019dc3..23ad8dd9aa5e 100644
--- a/arch/mips/rb532/prom.c
+++ b/arch/mips/rb532/prom.c
@@ -34,11 +34,6 @@ static struct resource ddr_reg[] = {
}
};

-void __init prom_free_prom_memory(void)
-{
- /* No prom memory to free */
-}
-
static inline int match_tag(char *arg, const char *tag)
{
return strncmp(arg, tag, strlen(tag)) == 0;
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index d411e0a90a5b..87bb6945ec25 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -404,11 +404,6 @@ void __init prom_meminit(void)
}
}

-void __init prom_free_prom_memory(void)
-{
- /* We got nothing to free here ... */
-}
-
extern void setup_zero_pages(void);

void __init paging_init(void)
diff --git a/arch/mips/sgi-ip32/ip32-memory.c b/arch/mips/sgi-ip32/ip32-memory.c
index 0f53fed39da6..3fc8d0a0bdfa 100644
--- a/arch/mips/sgi-ip32/ip32-memory.c
+++ b/arch/mips/sgi-ip32/ip32-memory.c
@@ -40,8 +40,3 @@ void __init prom_meminit(void)
memblock_add(base, size);
}
}
-
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/sibyte/common/cfe.c b/arch/mips/sibyte/common/cfe.c
index 89f7fca45152..a3323f8dcc1b 100644
--- a/arch/mips/sibyte/common/cfe.c
+++ b/arch/mips/sibyte/common/cfe.c
@@ -316,11 +316,6 @@ void __init prom_init(void)
#endif
}

-void __init prom_free_prom_memory(void)
-{
- /* Not sure what I'm supposed to do here. Nothing, I think */
-}
-
void prom_putchar(char c)
{
int ret;
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 0ce49978a47e..20d3d27fcc8f 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -266,10 +266,6 @@ void __init prom_init(void)
txx9_board_vec->prom_init();
}

-void __init prom_free_prom_memory(void)
-{
-}
-
const char *get_system_type(void)
{
return txx9_system_type;
diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c
index ca53ac3060ef..628dddf79a05 100644
--- a/arch/mips/vr41xx/common/init.c
+++ b/arch/mips/vr41xx/common/init.c
@@ -58,7 +58,3 @@ void __init prom_init(void)
strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
}
}
-
-void __init prom_free_prom_memory(void)
-{
-}
--
2.29.2