diff options
| author | Elyes HAOUAS <ehaouas@noos.fr> | 2020-04-29 10:22:42 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-05-01 16:40:20 +0000 |
| commit | 6468d87dded4be460707533d3de938f709c7d460 (patch) | |
| tree | 2209bb18a98245d81b906b01ea44326b831ab925 /src/soc/intel/baytrail/smihandler.c | |
| parent | f87ad9225c5dfafc266071bb4757065bca50966f (diff) | |
soc/intel/baytrail: Fix 16-bit read/write PCI_COMMAND register
Change-Id: I9b15b5458bb8140fa9bb6b0ffb6b9c78e8d8a93b
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40848
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/soc/intel/baytrail/smihandler.c')
| -rw-r--r-- | src/soc/intel/baytrail/smihandler.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/soc/intel/baytrail/smihandler.c b/src/soc/intel/baytrail/smihandler.c index da97535ab8..6ca4e6478b 100644 --- a/src/soc/intel/baytrail/smihandler.c +++ b/src/soc/intel/baytrail/smihandler.c @@ -58,7 +58,7 @@ 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); val = pci_read_config32(dev, PCI_VENDOR_ID); @@ -68,9 +68,9 @@ 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 this is a bridge, then follow it. */ hdr = pci_read_config8(dev, PCI_HEADER_TYPE); |