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authorEric Miao <eric.y.miao@gmail.com>2010-02-09 11:10:10 +0800
committerEric Miao <eric.y.miao@gmail.com>2010-03-02 07:40:52 +0800
commita056bef45529810183f56944dcea8b4e297c2dc3 (patch)
tree31155e0d6d746fbb2272e109a2d5790e03f0d1c5 /arch/arm/mach-pxa
parent98acdbe4cf83f5a2e21c7aac830146b5d6da9282 (diff)
downloadblackbird-op-linux-a056bef45529810183f56944dcea8b4e297c2dc3.tar.gz
blackbird-op-linux-a056bef45529810183f56944dcea8b4e297c2dc3.zip
[ARM] pxa: introduce PXA_SSP_LEGACY for legacy SSP API
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r--arch/arm/mach-pxa/Kconfig6
-rw-r--r--arch/arm/mach-pxa/include/mach/ssp.h2
-rw-r--r--arch/arm/mach-pxa/ssp.c5
3 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 3602c729b89a..38fbd0a0e402 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -458,6 +458,7 @@ config SHARPSL_PM
config CORGI_SSP_DEPRECATED
bool
select PXA_SSP
+ select PXA_SSP_LEGACY
help
This option will include corgi_ssp.c and corgi_lcd.c
that corgi_ts.c and other legacy drivers (corgi_bl.c
@@ -658,6 +659,11 @@ config PXA_SSP
help
Enable support for PXA2xx SSP ports
+config PXA_SSP_LEGACY
+ bool
+ help
+ Support of legacy SSP API
+
config TOSA_BT
tristate "Control the state of built-in bluetooth chip on Sharp SL-6000"
depends on MACH_TOSA
diff --git a/arch/arm/mach-pxa/include/mach/ssp.h b/arch/arm/mach-pxa/include/mach/ssp.h
index cb5cb766f0f1..be1be5b6db51 100644
--- a/arch/arm/mach-pxa/include/mach/ssp.h
+++ b/arch/arm/mach-pxa/include/mach/ssp.h
@@ -46,6 +46,7 @@ struct ssp_device {
int drcmr_tx;
};
+#ifdef CONFIG_PXA_SSP_LEGACY
/*
* SSP initialisation flags
*/
@@ -78,6 +79,7 @@ void ssp_restore_state(struct ssp_dev *dev, struct ssp_state *ssp);
int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags);
int ssp_config(struct ssp_dev *dev, u32 mode, u32 flags, u32 psp_flags, u32 speed);
void ssp_exit(struct ssp_dev *dev);
+#endif /* CONFIG_PXA_SSP_LEGACY */
/**
* ssp_write_reg - Write to a SSP register
diff --git a/arch/arm/mach-pxa/ssp.c b/arch/arm/mach-pxa/ssp.c
index 9ebe658590fa..a81d6dbf662d 100644
--- a/arch/arm/mach-pxa/ssp.c
+++ b/arch/arm/mach-pxa/ssp.c
@@ -35,6 +35,8 @@
#include <mach/ssp.h>
#include <mach/regs-ssp.h>
+#ifdef CONFIG_PXA_SSP_LEGACY
+
#define TIMEOUT 100000
static irqreturn_t ssp_interrupt(int irq, void *dev_id)
@@ -303,6 +305,7 @@ void ssp_exit(struct ssp_dev *dev)
clk_disable(ssp->clk);
ssp_free(ssp);
}
+#endif /* CONFIG_PXA_SSP_LEGACY */
static DEFINE_MUTEX(ssp_lock);
static LIST_HEAD(ssp_list);
@@ -488,6 +491,7 @@ static void __exit pxa_ssp_exit(void)
arch_initcall(pxa_ssp_init);
module_exit(pxa_ssp_exit);
+#ifdef CONFIG_PXA_SSP_LEGACY
EXPORT_SYMBOL(ssp_write_word);
EXPORT_SYMBOL(ssp_read_word);
EXPORT_SYMBOL(ssp_flush);
@@ -498,6 +502,7 @@ EXPORT_SYMBOL(ssp_restore_state);
EXPORT_SYMBOL(ssp_init);
EXPORT_SYMBOL(ssp_exit);
EXPORT_SYMBOL(ssp_config);
+#endif
MODULE_DESCRIPTION("PXA SSP driver");
MODULE_AUTHOR("Liam Girdwood");
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