diff options
| author | Elyes HAOUAS <ehaouas@noos.fr> | 2020-04-29 09:57:05 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-05-01 16:36:26 +0000 |
| commit | 2ec1c13ac4a9724095ce71783fd52f70a0b1536d (patch) | |
| tree | df15407f69cfc7899aa06ad3f35dec32164c4d07 /src/soc/intel/common/block/smm | |
| parent | b887adf7a56f2877c41e808002f30841a6679eb6 (diff) | |
soc/intel/common: Fix 16-bit read/write PCI_COMMAND register
Change-Id: I09cc69a20dc67c0f48b35bfd2afeaba9e2ee5064
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40843
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/soc/intel/common/block/smm')
| -rw-r--r-- | src/soc/intel/common/block/smm/smihandler.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/soc/intel/common/block/smm/smihandler.c b/src/soc/intel/common/block/smm/smihandler.c index 44fe59d2c9..d8127a8c67 100644 --- a/src/soc/intel/common/block/smm/smihandler.c +++ b/src/soc/intel/common/block/smm/smihandler.c @@ -139,7 +139,7 @@ static void busmaster_disable_on_bus(int bus) for (slot = 0; slot < 0x20; slot++) { for (func = 0; func < 8; func++) { - u32 reg32; + u16 reg16; pci_devfn_t dev = PCI_DEV(bus, slot, func); @@ -152,9 +152,9 @@ static void busmaster_disable_on_bus(int bus) continue; /* Disable Bus Mastering for this one device */ - reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 &= ~PCI_COMMAND_MASTER; - pci_write_config32(dev, PCI_COMMAND, reg32); + reg16 = pci_read_config16(dev, PCI_COMMAND); + reg16 &= ~PCI_COMMAND_MASTER; + pci_write_config16(dev, PCI_COMMAND, reg16); /* If it's not a bridge, move on. */ hdr = pci_read_config8(dev, PCI_HEADER_TYPE); |