From 64a6b6cb1f0476087ec538c6d55791506d5e9576 Mon Sep 17 00:00:00 2001 From: Angel Pons Date: Fri, 5 Jun 2020 19:10:03 +0200 Subject: src/include: Add PnP/HWM unset_and_set functions RMW (read/modify/write) ops on PnP devices has never been so simple. The semantics also allow the compiler to emit valid warnings if the input parameters would overflow, which are silenced when the cast is placed outside of the function. Change-Id: Ica01211af2a9a00aed98880844a836f6b7957b14 Signed-off-by: Angel Pons Reviewed-on: https://review.coreboot.org/c/coreboot/+/42134 Reviewed-by: Nico Huber Reviewed-by: Felix Held Tested-by: build bot (Jenkins) --- src/include/device/pnp_ops.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/include/device/pnp_ops.h') diff --git a/src/include/device/pnp_ops.h b/src/include/device/pnp_ops.h index 15acf367e4..15d31156ed 100644 --- a/src/include/device/pnp_ops.h +++ b/src/include/device/pnp_ops.h @@ -21,6 +21,12 @@ static __always_inline uint8_t pnp_read_config( return pnp_read_index(dev >> 8, reg); } +static __always_inline void pnp_unset_and_set_config( + pnp_devfn_t dev, uint8_t reg, uint8_t unset, uint8_t set) +{ + pnp_unset_and_set_index(dev >> 8, reg, unset, set); +} + static __always_inline void pnp_set_logical_device(pnp_devfn_t dev) { -- cgit v1.2.3