From e9f1ddcdec54d32892a0a749de017a39c6c84beb Mon Sep 17 00:00:00 2001 From: Tero Kristo Date: Fri, 4 Apr 2014 15:52:01 +0300 Subject: ARM: OMAP3+: PRM: add common APIs for prm_vp_check/clear_txdone PRM driver now only exports a generic API for clearing / checking VP txdone status. Signed-off-by: Tero Kristo --- arch/arm/mach-omap2/prm_common.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) (limited to 'arch/arm/mach-omap2/prm_common.c') diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c index 2c2e7ed1bc6c..79cee117f971 100644 --- a/arch/arm/mach-omap2/prm_common.c +++ b/arch/arm/mach-omap2/prm_common.c @@ -554,6 +554,40 @@ int omap_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask) return prm_ll_data->clear_mod_irqs(module, regs, wkst_mask); } +/** + * omap_prm_vp_check_txdone - check voltage processor TX done status + * + * Checks if voltage processor transmission has been completed. + * Returns non-zero if a transmission has completed, 0 otherwise. + */ +u32 omap_prm_vp_check_txdone(u8 vp_id) +{ + if (!prm_ll_data->vp_check_txdone) { + WARN_ONCE(1, "prm: %s: no mapping function defined\n", + __func__); + return 0; + } + + return prm_ll_data->vp_check_txdone(vp_id); +} + +/** + * omap_prm_vp_clear_txdone - clears voltage processor TX done status + * + * Clears the status bit for completed voltage processor transmission + * returned by prm_vp_check_txdone. + */ +void omap_prm_vp_clear_txdone(u8 vp_id) +{ + if (!prm_ll_data->vp_clear_txdone) { + WARN_ONCE(1, "prm: %s: no mapping function defined\n", + __func__); + return; + } + + prm_ll_data->vp_clear_txdone(vp_id); +} + /** * prm_register - register per-SoC low-level data with the PRM * @pld: low-level per-SoC OMAP PRM data & function pointers to register -- cgit v1.2.3-59-g8ed1b