diff options
| -rw-r--r-- | arch/arm/mach-omap2/mcbsp.c | 3 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/mcbsp.h | 3 | ||||
| -rw-r--r-- | arch/arm/plat-omap/mcbsp.c | 43 |
3 files changed, 15 insertions, 34 deletions
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index 43b9ccffba9..de3457d750f 100644 --- a/arch/arm/mach-omap2/mcbsp.c +++ b/arch/arm/mach-omap2/mcbsp.c @@ -141,6 +141,9 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused) pdata->buffer_size = 0x80; } + if (oh->class->rev >= MCBSP_CONFIG_TYPE3) + pdata->has_wakeup = true; + oh_device[0] = oh; if (oh->dev_attr) { diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h index 14bc1cbe43d..ac48d836ab3 100644 --- a/arch/arm/plat-omap/include/plat/mcbsp.h +++ b/arch/arm/plat-omap/include/plat/mcbsp.h @@ -317,6 +317,9 @@ struct omap_mcbsp_platform_data { u16 buffer_size; u8 reg_size; u8 reg_step; + + /* McBSP platform and instance specific features */ + bool has_wakeup; /* Wakeup capability */ }; struct omap_mcbsp_st_data { diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index 623f2c1e9d4..0338ad07eb7 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -659,35 +659,7 @@ int omap_mcbsp_get_dma_op_mode(unsigned int id) } EXPORT_SYMBOL(omap_mcbsp_get_dma_op_mode); -static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp) -{ - /* - * Enable wakup behavior, smart idle and all wakeups - * REVISIT: some wakeups may be unnecessary - */ - if (cpu_is_omap34xx() || cpu_is_omap44xx()) { - MCBSP_WRITE(mcbsp, WAKEUPEN, XRDYEN | RRDYEN); - } -} - -static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp) -{ - /* - * Disable wakup behavior, smart idle and all wakeups - */ - if (cpu_is_omap34xx() || cpu_is_omap44xx()) { - /* - * HW bug workaround - If no_idle mode is taken, we need to - * go to smart_idle before going to always_idle, or the - * device will not hit retention anymore. - */ - - MCBSP_WRITE(mcbsp, WAKEUPEN, 0); - } -} #else -static inline void omap34xx_mcbsp_request(struct omap_mcbsp *mcbsp) {} -static inline void omap34xx_mcbsp_free(struct omap_mcbsp *mcbsp) {} static inline void omap_st_start(struct omap_mcbsp *mcbsp) {} static inline void omap_st_stop(struct omap_mcbsp *mcbsp) {} #endif @@ -726,8 +698,9 @@ int omap_mcbsp_request(unsigned int id) pm_runtime_get_sync(mcbsp->dev); - /* Do procedure specific to omap34xx arch, if applicable */ - omap34xx_mcbsp_request(mcbsp); + /* Enable wakeup behavior */ + if (mcbsp->pdata->has_wakeup) + MCBSP_WRITE(mcbsp, WAKEUPEN, XRDYEN | RRDYEN); /* * Make sure that transmitter, receiver and sample-rate generator are @@ -764,8 +737,9 @@ err_clk_disable: if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free) mcbsp->pdata->ops->free(id); - /* Do procedure specific to omap34xx arch, if applicable */ - omap34xx_mcbsp_free(mcbsp); + /* Disable wakeup behavior */ + if (mcbsp->pdata->has_wakeup) + MCBSP_WRITE(mcbsp, WAKEUPEN, 0); pm_runtime_put_sync(mcbsp->dev); @@ -794,8 +768,9 @@ void omap_mcbsp_free(unsigned int id) if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free) mcbsp->pdata->ops->free(id); - /* Do procedure specific to omap34xx arch, if applicable */ - omap34xx_mcbsp_free(mcbsp); + /* Disable wakeup behavior */ + if (mcbsp->pdata->has_wakeup) + MCBSP_WRITE(mcbsp, WAKEUPEN, 0); pm_runtime_put_sync(mcbsp->dev); |