diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
| commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
| tree | 76267dbc9b9a130337be3640948fe397b04ac629 /arch/arm/mach-shmobile/smp-sh73a0.c | |
| parent | Adding upstream version 6.6.15. (diff) | |
| download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip | |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-shmobile/smp-sh73a0.c')
| -rw-r--r-- | arch/arm/mach-shmobile/smp-sh73a0.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index 453d488650..9196b37ea2 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -44,10 +44,16 @@ static int sh73a0_boot_secondary(unsigned int cpu, struct task_struct *idle) static void __init sh73a0_smp_prepare_cpus(unsigned int max_cpus) { - void __iomem *ap = ioremap(AP_BASE, PAGE_SIZE); - void __iomem *sysc = ioremap(SYSC_BASE, PAGE_SIZE); + void __iomem *ap, *sysc; + + if (!request_mem_region(0, SZ_4K, "Boot Area")) { + pr_err("Failed to request boot area\n"); + return; + } /* Map the reset vector (in headsmp.S) */ + ap = ioremap(AP_BASE, PAGE_SIZE); + sysc = ioremap(SYSC_BASE, PAGE_SIZE); writel(0, ap + APARMBAREA); /* 4k */ writel(__pa(shmobile_boot_vector), sysc + SBAR); iounmap(sysc); |