diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2014-02-26 20:55:35 +0400 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2014-03-21 21:26:20 +0400 |
| commit | 0443a653982942da4237b8344027bbb86e4b83a1 (patch) | |
| tree | 4591fd96af266d97671a491a5677be857838a6ac | |
| parent | 943fa72629d9f5e8d3df5fc39351fe3360ff03cb (diff) | |
| download | linux-0443a653982942da4237b8344027bbb86e4b83a1.tar.xz | |
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>
| -rw-r--r-- | arch/arm/mach-s3c64xx/irq-pm.c | 12 | ||||
| -rw-r--r-- | arch/arm/mach-s5p64x0/irq-pm.c | 6 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/init.c | 4 |
3 files changed, 19 insertions, 3 deletions
diff --git a/arch/arm/mach-s3c64xx/irq-pm.c b/arch/arm/mach-s3c64xx/irq-pm.c index 1649c0d1c1b8..ddf65583a5d8 100644 --- a/arch/arm/mach-s3c64xx/irq-pm.c +++ b/arch/arm/mach-s3c64xx/irq-pm.c @@ -55,7 +55,13 @@ static struct irq_grp_save { u32 mask; } eint_grp_save[5]; -static u32 irq_uart_mask[CONFIG_SERIAL_SAMSUNG_UARTS]; +#ifndef CONFIG_SERIAL_SAMSUNG_UARTS +#define SERIAL_SAMSUNG_UARTS 0 +#else +#define SERIAL_SAMSUNG_UARTS CONFIG_SERIAL_SAMSUNG_UARTS +#endif + +static u32 irq_uart_mask[SERIAL_SAMSUNG_UARTS]; static int s3c64xx_irq_pm_suspend(void) { @@ -66,7 +72,7 @@ static int s3c64xx_irq_pm_suspend(void) s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save)); - for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++) + for (i = 0; i < SERIAL_SAMSUNG_UARTS; i++) irq_uart_mask[i] = __raw_readl(S3C_VA_UARTx(i) + S3C64XX_UINTM); for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) { @@ -87,7 +93,7 @@ static void s3c64xx_irq_pm_resume(void) s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save)); - for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++) + for (i = 0; i < SERIAL_SAMSUNG_UARTS; i++) __raw_writel(irq_uart_mask[i], S3C_VA_UARTx(i) + S3C64XX_UINTM); for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) { diff --git a/arch/arm/mach-s5p64x0/irq-pm.c b/arch/arm/mach-s5p64x0/irq-pm.c index 3e6f2456ee9d..d5f0fd66b635 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)); diff --git a/arch/arm/plat-samsung/init.c b/arch/arm/plat-samsung/init.c index aa9511b6914a..a30df396ca34 100644 --- a/arch/arm/plat-samsung/init.c +++ b/arch/arm/plat-samsung/init.c @@ -97,7 +97,9 @@ void __init s3c24xx_init_clocks(int xtal) #if IS_ENABLED(CONFIG_SAMSUNG_ATAGS) static int nr_uarts __initdata = 0; +#ifdef CONFIG_SERIAL_SAMSUNG_UARTS static struct s3c2410_uartcfg uart_cfgs[CONFIG_SERIAL_SAMSUNG_UARTS]; +#endif /* s3c24xx_init_uartdevs * @@ -112,6 +114,7 @@ void __init s3c24xx_init_uartdevs(char *name, struct s3c24xx_uart_resources *res, struct s3c2410_uartcfg *cfg, int no) { +#ifdef CONFIG_SERIAL_SAMSUNG_UARTS struct platform_device *platdev; struct s3c2410_uartcfg *cfgptr = uart_cfgs; struct s3c24xx_uart_resources *resp; @@ -134,6 +137,7 @@ void __init s3c24xx_init_uartdevs(char *name, } nr_uarts = no; +#endif } void __init s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no) |