X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fmach-omap2%2Fprm2xxx_3xxx.c;h=051213fbc346a43cb6c91e65cdb640a5a3e60bc4;hb=f741a79e982cf56d7584435bad663553ffe6715f;hp=ec0362574b5e0c313dec785591f19726d0b37a39;hpb=007a14af2649c9ac77f38cd23469518ffb8b355a;p=pandora-kernel.git diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.c b/arch/arm/mach-omap2/prm2xxx_3xxx.c index ec0362574b5e..051213fbc346 100644 --- a/arch/arm/mach-omap2/prm2xxx_3xxx.c +++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c @@ -118,7 +118,8 @@ int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift) /** * omap2_prm_deassert_hardreset - deassert a submodule hardreset line and wait * @prm_mod: PRM submodule base (e.g. CORE_MOD) - * @shift: register bit shift corresponding to the reset line to deassert + * @rst_shift: register bit shift corresponding to the reset line to deassert + * @st_shift: register bit shift for the status of the deasserted submodule * * Some IPs like dsp or iva contain processors that require an HW * reset line to be asserted / deasserted in order to fully enable the @@ -129,27 +130,28 @@ int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift) * -EINVAL upon an argument error, -EEXIST if the submodule was already out * of reset, or -EBUSY if the submodule did not exit reset promptly. */ -int omap2_prm_deassert_hardreset(s16 prm_mod, u8 shift) +int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift) { - u32 mask; + u32 rst, st; int c; if (!(cpu_is_omap24xx() || cpu_is_omap34xx())) return -EINVAL; - mask = 1 << shift; + rst = 1 << rst_shift; + st = 1 << st_shift; /* Check the current status to avoid de-asserting the line twice */ - if (omap2_prm_read_mod_bits_shift(prm_mod, OMAP2_RM_RSTCTRL, mask) == 0) + if (omap2_prm_read_mod_bits_shift(prm_mod, OMAP2_RM_RSTCTRL, rst) == 0) return -EEXIST; /* Clear the reset status by writing 1 to the status bit */ - omap2_prm_rmw_mod_reg_bits(0xffffffff, mask, prm_mod, OMAP2_RM_RSTST); + omap2_prm_rmw_mod_reg_bits(0xffffffff, st, prm_mod, OMAP2_RM_RSTST); /* de-assert the reset control line */ - omap2_prm_rmw_mod_reg_bits(mask, 0, prm_mod, OMAP2_RM_RSTCTRL); + omap2_prm_rmw_mod_reg_bits(rst, 0, prm_mod, OMAP2_RM_RSTCTRL); /* wait the status to be set */ omap_test_timeout(omap2_prm_read_mod_bits_shift(prm_mod, OMAP2_RM_RSTST, - mask), + st), MAX_MODULE_HARDRESET_WAIT, c); return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0;