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-rw-r--r--arch/arm/mach-shmobile/headsmp.S1
-rw-r--r--arch/arm/mach-shmobile/pm-rcar-gen2.c2
-rw-r--r--arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c18
-rw-r--r--arch/arm/mach-shmobile/setup-rcar-gen2.c76
4 files changed, 7 insertions, 90 deletions
diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S
index a956b489b6ea..2bc7e73a8582 100644
--- a/arch/arm/mach-shmobile/headsmp.S
+++ b/arch/arm/mach-shmobile/headsmp.S
@@ -136,6 +136,7 @@ ENDPROC(shmobile_smp_sleep)
.long shmobile_smp_arg - 1b
.bss
+ .align 2
.globl shmobile_smp_mpidr
shmobile_smp_mpidr:
.space NR_CPUS * 4
diff --git a/arch/arm/mach-shmobile/pm-rcar-gen2.c b/arch/arm/mach-shmobile/pm-rcar-gen2.c
index 907a4f8c5aed..46654d196f8d 100644
--- a/arch/arm/mach-shmobile/pm-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/pm-rcar-gen2.c
@@ -81,7 +81,7 @@ void __init rcar_gen2_pm_init(void)
map:
/* RAM for jump stub, because BAR requires 256KB aligned address */
- if (res.start & (256 * 1024 - 1) ||
+ if (res.start & (SZ_256K - 1) ||
resource_size(&res) < shmobile_boot_size) {
pr_err("Invalid smp-sram region\n");
return;
diff --git a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
index 117e7b07995b..747a96c58df1 100644
--- a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
@@ -141,7 +141,7 @@ static struct notifier_block regulator_quirk_nb = {
static int __init rcar_gen2_regulator_quirk(void)
{
struct regulator_quirk *quirk, *pos, *tmp;
- struct of_phandle_args *argsa, *argsb;
+ struct of_phandle_args *args;
const struct of_device_id *id;
struct device_node *np;
u32 mon, addr;
@@ -164,21 +164,21 @@ static int __init rcar_gen2_regulator_quirk(void)
if (ret) /* Skip invalid entry and continue */
continue;
- quirk = kzalloc(sizeof(*quirk), GFP_KERNEL);
+ quirk = kzalloc_obj(*quirk);
if (!quirk) {
ret = -ENOMEM;
of_node_put(np);
goto err_mem;
}
- argsa = &quirk->irq_args;
+ args = &quirk->irq_args;
memcpy(&quirk->i2c_msg, id->data, sizeof(quirk->i2c_msg));
quirk->id = id;
quirk->np = of_node_get(np);
quirk->i2c_msg.addr = addr;
- ret = of_irq_parse_one(np, 0, argsa);
+ ret = of_irq_parse_one(np, 0, args);
if (ret) { /* Skip invalid entry and continue */
of_node_put(np);
kfree(quirk);
@@ -186,15 +186,7 @@ static int __init rcar_gen2_regulator_quirk(void)
}
list_for_each_entry(pos, &quirk_list, list) {
- argsb = &pos->irq_args;
-
- if (argsa->args_count != argsb->args_count)
- continue;
-
- ret = memcmp(argsa->args, argsb->args,
- argsa->args_count *
- sizeof(argsa->args[0]));
- if (!ret) {
+ if (of_phandle_args_equal(args, &pos->irq_args)) {
pos->shared = true;
quirk->shared = true;
}
diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c
index c38367a10c79..3cd34a42e39b 100644
--- a/arch/arm/mach-shmobile/setup-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c
@@ -8,19 +8,15 @@
*/
#include <linux/clocksource.h>
-#include <linux/device.h>
-#include <linux/dma-map-ops.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/memblock.h>
#include <linux/of.h>
#include <linux/of_clk.h>
-#include <linux/of_fdt.h>
#include <linux/psci.h>
#include <asm/mach/arch.h>
#include <asm/secure_cntvoff.h>
#include "common.h"
-#include "rcar-gen2.h"
static const struct of_device_id cpg_matches[] __initconst = {
{ .compatible = "renesas,r8a7742-cpg-mssr", .data = "extal" },
@@ -122,76 +118,6 @@ skip_update:
timer_probe();
}
-struct memory_reserve_config {
- u64 reserved;
- u64 base, size;
-};
-
-static int __init rcar_gen2_scan_mem(unsigned long node, const char *uname,
- int depth, void *data)
-{
- const char *type = of_get_flat_dt_prop(node, "device_type", NULL);
- const __be32 *reg, *endp;
- int l;
- struct memory_reserve_config *mrc = data;
- u64 lpae_start = 1ULL << 32;
-
- /* We are scanning "memory" nodes only */
- if (type == NULL || strcmp(type, "memory"))
- return 0;
-
- reg = of_get_flat_dt_prop(node, "linux,usable-memory", &l);
- if (reg == NULL)
- reg = of_get_flat_dt_prop(node, "reg", &l);
- if (reg == NULL)
- return 0;
-
- endp = reg + (l / sizeof(__be32));
- while ((endp - reg) >= (dt_root_addr_cells + dt_root_size_cells)) {
- u64 base, size;
-
- base = dt_mem_next_cell(dt_root_addr_cells, &reg);
- size = dt_mem_next_cell(dt_root_size_cells, &reg);
-
- if (base >= lpae_start)
- continue;
-
- if ((base + size) >= lpae_start)
- size = lpae_start - base;
-
- if (size < mrc->reserved)
- continue;
-
- if (base < mrc->base)
- continue;
-
- /* keep the area at top near the 32-bit legacy limit */
- mrc->base = base + size - mrc->reserved;
- mrc->size = mrc->reserved;
- }
-
- return 0;
-}
-
-static void __init rcar_gen2_reserve(void)
-{
- struct memory_reserve_config mrc;
-
- /* reserve 256 MiB at the top of the physical legacy 32-bit space */
- memset(&mrc, 0, sizeof(mrc));
- mrc.reserved = SZ_256M;
-
- of_scan_flat_dt(rcar_gen2_scan_mem, &mrc);
-#ifdef CONFIG_DMA_CMA
- if (mrc.size && memblock_is_region_memory(mrc.base, mrc.size)) {
- static struct cma *rcar_gen2_dma_contiguous;
-
- dma_contiguous_reserve_area(mrc.size, mrc.base, 0,
- &rcar_gen2_dma_contiguous, true);
- }
-#endif
-}
-
static const char * const rcar_gen2_boards_compat_dt[] __initconst = {
"renesas,r8a7790",
"renesas,r8a7791",
@@ -204,7 +130,6 @@ static const char * const rcar_gen2_boards_compat_dt[] __initconst = {
DT_MACHINE_START(RCAR_GEN2_DT, "Generic R-Car Gen2 (Flattened Device Tree)")
.init_late = shmobile_init_late,
.init_time = rcar_gen2_timer_init,
- .reserve = rcar_gen2_reserve,
.dt_compat = rcar_gen2_boards_compat_dt,
MACHINE_END
@@ -220,6 +145,5 @@ static const char * const rz_g1_boards_compat_dt[] __initconst = {
DT_MACHINE_START(RZ_G1_DT, "Generic RZ/G1 (Flattened Device Tree)")
.init_late = shmobile_init_late,
.init_time = rcar_gen2_timer_init,
- .reserve = rcar_gen2_reserve,
.dt_compat = rz_g1_boards_compat_dt,
MACHINE_END