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authorArnd Bergmann <arnd@arndb.de>2014-02-26 17:55:35 +0100
committerArnd Bergmann <arnd@arndb.de>2014-03-21 18:26:20 +0100
commit0443a653982942da4237b8344027bbb86e4b83a1 (patch)
tree4591fd96af266d97671a491a5677be857838a6ac /arch/arm/mach-s5p64x0
parent943fa72629d9f5e8d3df5fc39351fe3360ff03cb (diff)
downloadop-kernel-dev-0443a653982942da4237b8344027bbb86e4b83a1.zip
op-kernel-dev-0443a653982942da4237b8344027bbb86e4b83a1.tar.gz
ARM: samsung: allow serial driver to be disabled
If CONFIG_SERIAL_SAMSUNG is disabled, we run into build errors with some samsung platforms. This adds a couple of #ifdef statements to hopefully deal with this more gracefully. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Cc: Tomasz Figa <tomasz.figa@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s5p64x0')
-rw-r--r--arch/arm/mach-s5p64x0/irq-pm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p64x0/irq-pm.c b/arch/arm/mach-s5p64x0/irq-pm.c
index 3e6f245..d5f0fd6 100644
--- a/arch/arm/mach-s5p64x0/irq-pm.c
+++ b/arch/arm/mach-s5p64x0/irq-pm.c
@@ -34,7 +34,9 @@ static struct irq_grp_save {
u32 mask;
} eint_grp_save[4];
+#ifdef CONFIG_SERIAL_SAMSUNG
static u32 irq_uart_mask[CONFIG_SERIAL_SAMSUNG_UARTS];
+#endif
static int s5p64x0_irq_pm_suspend(void)
{
@@ -45,8 +47,10 @@ static int s5p64x0_irq_pm_suspend(void)
s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save));
+#ifdef CONFIG_SERIAL_SAMSUNG
for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++)
irq_uart_mask[i] = __raw_readl(S3C_VA_UARTx(i) + S3C64XX_UINTM);
+#endif
for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) {
grp->con = __raw_readl(S5P64X0_EINT12CON + (i * 4));
@@ -66,8 +70,10 @@ static void s5p64x0_irq_pm_resume(void)
s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save));
+#ifdef CONFIG_SERIAL_SAMSUNG
for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++)
__raw_writel(irq_uart_mask[i], S3C_VA_UARTx(i) + S3C64XX_UINTM);
+#endif
for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) {
__raw_writel(grp->con, S5P64X0_EINT12CON + (i * 4));
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