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powerpc/setup: replace ifdefs by IS_ENABLED() wherever possible.

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Compared to ifdefs, IS_ENABLED() provide a cleaner code and allows
to detect compilation failure regardless of the selected options.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2019-03-22 08:08:45 +00:00 committed by Michael Ellerman
parent 48018e42e5
commit 65184f2f04
1 changed files with 18 additions and 21 deletions
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39
arch/powerpc/kernel/setup-common.c
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@ -199,14 +199,15 @@ static void show_cpuinfo_summary(struct seq_file *m)
{
struct device_node *root;
const char *model = NULL;
#if defined(CONFIG_SMP) && defined(CONFIG_PPC32)
unsigned long bogosum = 0;
int i;
for_each_online_cpu(i)
bogosum += loops_per_jiffy;
seq_printf(m, "total bogomips\t: %lu.%02lu\n",
bogosum/(500000/HZ), bogosum/(5000/HZ) % 100);
#endif /* CONFIG_SMP && CONFIG_PPC32 */
if (IS_ENABLED(CONFIG_SMP) && IS_ENABLED(CONFIG_PPC32)) {
for_each_online_cpu(i)
bogosum += loops_per_jiffy;
seq_printf(m, "total bogomips\t: %lu.%02lu\n",
bogosum / (500000 / HZ), bogosum / (5000 / HZ) % 100);
}
seq_printf(m, "timebase\t: %lu\n", ppc_tb_freq);
if (ppc_md.name)
seq_printf(m, "platform\t: %s\n", ppc_md.name);
@ -220,11 +221,10 @@ static void show_cpuinfo_summary(struct seq_file *m)
if (ppc_md.show_cpuinfo != NULL)
ppc_md.show_cpuinfo(m);
#ifdef CONFIG_PPC32
/* Display the amount of memory */
seq_printf(m, "Memory\t\t: %d MB\n",
(unsigned int)(total_memory / (1024 * 1024)));
#endif
if (IS_ENABLED(CONFIG_PPC32))
seq_printf(m, "Memory\t\t: %d MB\n",
(unsigned int)(total_memory / (1024 * 1024)));
}
static int show_cpuinfo(struct seq_file *m, void *v)
@ -332,11 +332,10 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "revision\t: %hd.%hd (pvr %04x %04x)\n",
maj, min, PVR_VER(pvr), PVR_REV(pvr));
#ifdef CONFIG_PPC32
seq_printf(m, "bogomips\t: %lu.%02lu\n",
loops_per_jiffy / (500000/HZ),
(loops_per_jiffy / (5000/HZ)) % 100);
#endif
if (IS_ENABLED(CONFIG_PPC32))
seq_printf(m, "bogomips\t: %lu.%02lu\n", loops_per_jiffy / (500000 / HZ),
(loops_per_jiffy / (5000 / HZ)) % 100);
seq_printf(m, "\n");
/* If this is the last cpu, print the summary */
@ -934,9 +933,9 @@ void __init setup_arch(char **cmdline_p)
early_memtest(min_low_pfn << PAGE_SHIFT, max_low_pfn << PAGE_SHIFT);
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
if (IS_ENABLED(CONFIG_DUMMY_CONSOLE))
conswitchp = &dummy_con;
if (ppc_md.setup_arch)
ppc_md.setup_arch();
@ -948,10 +947,8 @@ void __init setup_arch(char **cmdline_p)
/* Initialize the MMU context management stuff. */
mmu_context_init();
#ifdef CONFIG_PPC64
/* Interrupt code needs to be 64K-aligned. */
if ((unsigned long)_stext & 0xffff)
if (IS_ENABLED(CONFIG_PPC64) && (unsigned long)_stext & 0xffff)
panic("Kernelbase not 64K-aligned (0x%lx)!\n",
(unsigned long)_stext);
#endif
}