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arm: a37xx: pci: Fix condition for CRS response

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As stated in comment above the code, CRS response can be returned to OS
only for 4-byte PCI_VENDOR_ID config read request. So fix the code.

Fixes: 1d7ad68559 ("arm: a37xx: pci: Handle propagation of CRSSVE bit from PCIe Root Port")
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Pali Rohár 2021-10-19 11:05:01 +02:00 committed by Stefan Roese
parent 7609e02a25
commit bd4064ff8a
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/pci-aardvark.c
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@ -445,7 +445,7 @@ static int pcie_advk_read_config(const struct udevice *bus, pci_dev_t bdf,
* for returning CRS, so that if U-Boot does support CRS in the future,
* it will work for Aardvark.
*/
allow_crs = pcie->cfgcrssve;
allow_crs = (offset == PCI_VENDOR_ID) && (size == PCI_SIZE_32) && pcie->cfgcrssve;
if (advk_readl(pcie, PIO_START)) {
dev_err(pcie->dev,